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/*
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* ARM NEON vector operations.
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*
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* Copyright (c) 2007, 2008 CodeSourcery.
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* Written by Paul Brook
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*
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* This code is licensed under the GNU GPL v2.
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*/
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#include <stdlib.h> |
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#include <stdio.h> |
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#include "cpu.h" |
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#include "exec-all.h" |
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#include "helper.h" |
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#define SIGNBIT (uint32_t)0x80000000 |
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#define SIGNBIT64 ((uint64_t)1 << 63) |
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#define SET_QC() env->vfp.xregs[ARM_VFP_FPSCR] = CPSR_Q
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#define NEON_TYPE1(name, type) \
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typedef struct \ |
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{ \ |
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type v1; \ |
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} neon_##name; |
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#ifdef HOST_WORDS_BIGENDIAN
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#define NEON_TYPE2(name, type) \
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typedef struct \ |
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{ \ |
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type v2; \ |
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type v1; \ |
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} neon_##name; |
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#define NEON_TYPE4(name, type) \
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typedef struct \ |
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{ \ |
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type v4; \ |
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type v3; \ |
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type v2; \ |
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type v1; \ |
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} neon_##name; |
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#else
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#define NEON_TYPE2(name, type) \
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typedef struct \ |
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{ \ |
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type v1; \ |
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type v2; \ |
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} neon_##name; |
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#define NEON_TYPE4(name, type) \
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typedef struct \ |
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{ \ |
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type v1; \ |
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type v2; \ |
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type v3; \ |
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type v4; \ |
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} neon_##name; |
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#endif
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NEON_TYPE4(s8, int8_t) |
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NEON_TYPE4(u8, uint8_t) |
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NEON_TYPE2(s16, int16_t) |
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NEON_TYPE2(u16, uint16_t) |
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NEON_TYPE1(s32, int32_t) |
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NEON_TYPE1(u32, uint32_t) |
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#undef NEON_TYPE4
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#undef NEON_TYPE2
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#undef NEON_TYPE1
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/* Copy from a uint32_t to a vector structure type. */
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#define NEON_UNPACK(vtype, dest, val) do { \ |
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union { \
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vtype v; \ |
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uint32_t i; \ |
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} conv_u; \ |
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conv_u.i = (val); \ |
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dest = conv_u.v; \ |
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} while(0) |
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/* Copy from a vector structure type to a uint32_t. */
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#define NEON_PACK(vtype, dest, val) do { \ |
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union { \
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vtype v; \ |
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uint32_t i; \ |
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} conv_u; \ |
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conv_u.v = (val); \ |
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dest = conv_u.i; \ |
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} while(0) |
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#define NEON_DO1 \
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NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); |
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#define NEON_DO2 \
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NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ |
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NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); |
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#define NEON_DO4 \
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NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ |
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NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); \ |
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NEON_FN(vdest.v3, vsrc1.v3, vsrc2.v3); \ |
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NEON_FN(vdest.v4, vsrc1.v4, vsrc2.v4); |
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#define NEON_VOP_BODY(vtype, n) \
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{ \ |
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uint32_t res; \ |
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vtype vsrc1; \ |
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vtype vsrc2; \ |
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vtype vdest; \ |
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NEON_UNPACK(vtype, vsrc1, arg1); \ |
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NEON_UNPACK(vtype, vsrc2, arg2); \ |
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NEON_DO##n; \ |
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NEON_PACK(vtype, res, vdest); \ |
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return res; \
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} |
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#define NEON_VOP(name, vtype, n) \
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uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ |
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NEON_VOP_BODY(vtype, n) |
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#define NEON_VOP_ENV(name, vtype, n) \
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uint32_t HELPER(glue(neon_,name))(CPUState *env, uint32_t arg1, uint32_t arg2) \ |
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NEON_VOP_BODY(vtype, n) |
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/* Pairwise operations. */
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/* For 32-bit elements each segment only contains a single element, so
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the elementwise and pairwise operations are the same. */
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#define NEON_PDO2 \
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NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ |
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NEON_FN(vdest.v2, vsrc2.v1, vsrc2.v2); |
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#define NEON_PDO4 \
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NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ |
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NEON_FN(vdest.v2, vsrc1.v3, vsrc1.v4); \ |
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NEON_FN(vdest.v3, vsrc2.v1, vsrc2.v2); \ |
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NEON_FN(vdest.v4, vsrc2.v3, vsrc2.v4); \ |
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#define NEON_POP(name, vtype, n) \
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uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ |
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{ \ |
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uint32_t res; \ |
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vtype vsrc1; \ |
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vtype vsrc2; \ |
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vtype vdest; \ |
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NEON_UNPACK(vtype, vsrc1, arg1); \ |
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NEON_UNPACK(vtype, vsrc2, arg2); \ |
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NEON_PDO##n; \ |
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NEON_PACK(vtype, res, vdest); \ |
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return res; \
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} |
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/* Unary operators. */
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#define NEON_VOP1(name, vtype, n) \
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uint32_t HELPER(glue(neon_,name))(uint32_t arg) \ |
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{ \ |
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vtype vsrc1; \ |
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vtype vdest; \ |
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NEON_UNPACK(vtype, vsrc1, arg); \ |
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NEON_DO##n; \ |
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NEON_PACK(vtype, arg, vdest); \ |
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return arg; \
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} |
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#define NEON_USAT(dest, src1, src2, type) do { \ |
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uint32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ |
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if (tmp != (type)tmp) { \
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SET_QC(); \ |
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dest = ~0; \
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} else { \
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dest = tmp; \ |
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}} while(0) |
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#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t)
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NEON_VOP_ENV(qadd_u8, neon_u8, 4)
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#undef NEON_FN
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#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t)
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NEON_VOP_ENV(qadd_u16, neon_u16, 2)
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#undef NEON_FN
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#undef NEON_USAT
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uint32_t HELPER(neon_qadd_u32)(CPUState *env, uint32_t a, uint32_t b) |
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{ |
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uint32_t res = a + b; |
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if (res < a) {
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SET_QC(); |
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res = ~0;
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} |
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return res;
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} |
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uint64_t HELPER(neon_qadd_u64)(CPUState *env, uint64_t src1, uint64_t src2) |
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{ |
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uint64_t res; |
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res = src1 + src2; |
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if (res < src1) {
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SET_QC(); |
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res = ~(uint64_t)0;
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} |
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return res;
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} |
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#define NEON_SSAT(dest, src1, src2, type) do { \ |
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int32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ |
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if (tmp != (type)tmp) { \
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SET_QC(); \ |
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if (src2 > 0) { \ |
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tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ |
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} else { \
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tmp = 1 << (sizeof(type) * 8 - 1); \ |
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} \ |
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} \ |
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dest = tmp; \ |
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} while(0) |
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#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t)
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NEON_VOP_ENV(qadd_s8, neon_s8, 4)
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#undef NEON_FN
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#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t)
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NEON_VOP_ENV(qadd_s16, neon_s16, 2)
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#undef NEON_FN
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#undef NEON_SSAT
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uint32_t HELPER(neon_qadd_s32)(CPUState *env, uint32_t a, uint32_t b) |
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{ |
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uint32_t res = a + b; |
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if (((res ^ a) & SIGNBIT) && !((a ^ b) & SIGNBIT)) {
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SET_QC(); |
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res = ~(((int32_t)a >> 31) ^ SIGNBIT);
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} |
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return res;
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} |
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uint64_t HELPER(neon_qadd_s64)(CPUState *env, uint64_t src1, uint64_t src2) |
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{ |
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uint64_t res; |
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res = src1 + src2; |
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if (((res ^ src1) & SIGNBIT64) && !((src1 ^ src2) & SIGNBIT64)) {
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SET_QC(); |
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res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64;
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} |
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return res;
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} |
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#define NEON_USAT(dest, src1, src2, type) do { \ |
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uint32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ |
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if (tmp != (type)tmp) { \
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SET_QC(); \ |
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dest = 0; \
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} else { \
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dest = tmp; \ |
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}} while(0) |
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#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t)
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NEON_VOP_ENV(qsub_u8, neon_u8, 4)
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#undef NEON_FN
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#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t)
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NEON_VOP_ENV(qsub_u16, neon_u16, 2)
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#undef NEON_FN
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#undef NEON_USAT
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uint32_t HELPER(neon_qsub_u32)(CPUState *env, uint32_t a, uint32_t b) |
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{ |
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uint32_t res = a - b; |
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if (res > a) {
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SET_QC(); |
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res = 0;
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} |
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return res;
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} |
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uint64_t HELPER(neon_qsub_u64)(CPUState *env, uint64_t src1, uint64_t src2) |
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{ |
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uint64_t res; |
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if (src1 < src2) {
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SET_QC(); |
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res = 0;
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} else {
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res = src1 - src2; |
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} |
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return res;
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} |
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#define NEON_SSAT(dest, src1, src2, type) do { \ |
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int32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ |
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if (tmp != (type)tmp) { \
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SET_QC(); \ |
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if (src2 < 0) { \ |
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tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ |
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} else { \
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tmp = 1 << (sizeof(type) * 8 - 1); \ |
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} \ |
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} \ |
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dest = tmp; \ |
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} while(0) |
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#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t)
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NEON_VOP_ENV(qsub_s8, neon_s8, 4)
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#undef NEON_FN
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#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t)
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NEON_VOP_ENV(qsub_s16, neon_s16, 2)
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#undef NEON_FN
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#undef NEON_SSAT
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uint32_t HELPER(neon_qsub_s32)(CPUState *env, uint32_t a, uint32_t b) |
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{ |
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uint32_t res = a - b; |
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if (((res ^ a) & SIGNBIT) && ((a ^ b) & SIGNBIT)) {
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SET_QC(); |
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res = ~(((int32_t)a >> 31) ^ SIGNBIT);
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} |
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return res;
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} |
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uint64_t HELPER(neon_qsub_s64)(CPUState *env, uint64_t src1, uint64_t src2) |
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{ |
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uint64_t res; |
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res = src1 - src2; |
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if (((res ^ src1) & SIGNBIT64) && ((src1 ^ src2) & SIGNBIT64)) {
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SET_QC(); |
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res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64;
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} |
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return res;
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} |
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#define NEON_FN(dest, src1, src2) dest = (src1 + src2) >> 1 |
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NEON_VOP(hadd_s8, neon_s8, 4)
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NEON_VOP(hadd_u8, neon_u8, 4)
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NEON_VOP(hadd_s16, neon_s16, 2)
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NEON_VOP(hadd_u16, neon_u16, 2)
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#undef NEON_FN
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int32_t HELPER(neon_hadd_s32)(int32_t src1, int32_t src2) |
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{ |
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int32_t dest; |
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dest = (src1 >> 1) + (src2 >> 1); |
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if (src1 & src2 & 1) |
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dest++; |
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return dest;
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} |
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uint32_t HELPER(neon_hadd_u32)(uint32_t src1, uint32_t src2) |
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{ |
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uint32_t dest; |
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dest = (src1 >> 1) + (src2 >> 1); |
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if (src1 & src2 & 1) |
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dest++; |
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return dest;
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} |
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#define NEON_FN(dest, src1, src2) dest = (src1 + src2 + 1) >> 1 |
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NEON_VOP(rhadd_s8, neon_s8, 4)
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NEON_VOP(rhadd_u8, neon_u8, 4)
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NEON_VOP(rhadd_s16, neon_s16, 2)
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NEON_VOP(rhadd_u16, neon_u16, 2)
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#undef NEON_FN
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int32_t HELPER(neon_rhadd_s32)(int32_t src1, int32_t src2) |
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{ |
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int32_t dest; |
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dest = (src1 >> 1) + (src2 >> 1); |
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if ((src1 | src2) & 1) |
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dest++; |
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return dest;
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} |
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uint32_t HELPER(neon_rhadd_u32)(uint32_t src1, uint32_t src2) |
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{ |
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uint32_t dest; |
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dest = (src1 >> 1) + (src2 >> 1); |
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if ((src1 | src2) & 1) |
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dest++; |
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return dest;
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} |
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#define NEON_FN(dest, src1, src2) dest = (src1 - src2) >> 1 |
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NEON_VOP(hsub_s8, neon_s8, 4)
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NEON_VOP(hsub_u8, neon_u8, 4)
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NEON_VOP(hsub_s16, neon_s16, 2)
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NEON_VOP(hsub_u16, neon_u16, 2)
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#undef NEON_FN
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int32_t HELPER(neon_hsub_s32)(int32_t src1, int32_t src2) |
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{ |
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int32_t dest; |
384 |
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dest = (src1 >> 1) - (src2 >> 1); |
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if ((~src1) & src2 & 1) |
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dest--; |
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return dest;
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} |
390 |
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uint32_t HELPER(neon_hsub_u32)(uint32_t src1, uint32_t src2) |
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{ |
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uint32_t dest; |
394 |
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dest = (src1 >> 1) - (src2 >> 1); |
396 |
if ((~src1) & src2 & 1) |
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dest--; |
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return dest;
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} |
400 |
|
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#define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? ~0 : 0 |
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NEON_VOP(cgt_s8, neon_s8, 4)
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NEON_VOP(cgt_u8, neon_u8, 4)
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NEON_VOP(cgt_s16, neon_s16, 2)
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NEON_VOP(cgt_u16, neon_u16, 2)
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NEON_VOP(cgt_s32, neon_s32, 1)
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NEON_VOP(cgt_u32, neon_u32, 1)
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#undef NEON_FN
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#define NEON_FN(dest, src1, src2) dest = (src1 >= src2) ? ~0 : 0 |
411 |
NEON_VOP(cge_s8, neon_s8, 4)
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NEON_VOP(cge_u8, neon_u8, 4)
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NEON_VOP(cge_s16, neon_s16, 2)
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NEON_VOP(cge_u16, neon_u16, 2)
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NEON_VOP(cge_s32, neon_s32, 1)
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NEON_VOP(cge_u32, neon_u32, 1)
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#undef NEON_FN
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#define NEON_FN(dest, src1, src2) dest = (src1 < src2) ? src1 : src2
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NEON_VOP(min_s8, neon_s8, 4)
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NEON_VOP(min_u8, neon_u8, 4)
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NEON_VOP(min_s16, neon_s16, 2)
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NEON_VOP(min_u16, neon_u16, 2)
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NEON_VOP(min_s32, neon_s32, 1)
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NEON_VOP(min_u32, neon_u32, 1)
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NEON_POP(pmin_s8, neon_s8, 4)
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NEON_POP(pmin_u8, neon_u8, 4)
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NEON_POP(pmin_s16, neon_s16, 2)
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NEON_POP(pmin_u16, neon_u16, 2)
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#undef NEON_FN
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#define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? src1 : src2
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NEON_VOP(max_s8, neon_s8, 4)
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NEON_VOP(max_u8, neon_u8, 4)
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NEON_VOP(max_s16, neon_s16, 2)
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NEON_VOP(max_u16, neon_u16, 2)
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NEON_VOP(max_s32, neon_s32, 1)
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NEON_VOP(max_u32, neon_u32, 1)
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NEON_POP(pmax_s8, neon_s8, 4)
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NEON_POP(pmax_u8, neon_u8, 4)
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NEON_POP(pmax_s16, neon_s16, 2)
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NEON_POP(pmax_u16, neon_u16, 2)
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#undef NEON_FN
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|
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#define NEON_FN(dest, src1, src2) \
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dest = (src1 > src2) ? (src1 - src2) : (src2 - src1) |
447 |
NEON_VOP(abd_s8, neon_s8, 4)
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NEON_VOP(abd_u8, neon_u8, 4)
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449 |
NEON_VOP(abd_s16, neon_s16, 2)
|
450 |
NEON_VOP(abd_u16, neon_u16, 2)
|
451 |
NEON_VOP(abd_s32, neon_s32, 1)
|
452 |
NEON_VOP(abd_u32, neon_u32, 1)
|
453 |
#undef NEON_FN
|
454 |
|
455 |
#define NEON_FN(dest, src1, src2) do { \ |
456 |
int8_t tmp; \ |
457 |
tmp = (int8_t)src2; \ |
458 |
if (tmp >= (ssize_t)sizeof(src1) * 8 || \ |
459 |
tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
460 |
dest = 0; \
|
461 |
} else if (tmp < 0) { \ |
462 |
dest = src1 >> -tmp; \ |
463 |
} else { \
|
464 |
dest = src1 << tmp; \ |
465 |
}} while (0) |
466 |
NEON_VOP(shl_u8, neon_u8, 4)
|
467 |
NEON_VOP(shl_u16, neon_u16, 2)
|
468 |
NEON_VOP(shl_u32, neon_u32, 1)
|
469 |
#undef NEON_FN
|
470 |
|
471 |
uint64_t HELPER(neon_shl_u64)(uint64_t val, uint64_t shiftop) |
472 |
{ |
473 |
int8_t shift = (int8_t)shiftop; |
474 |
if (shift >= 64 || shift <= -64) { |
475 |
val = 0;
|
476 |
} else if (shift < 0) { |
477 |
val >>= -shift; |
478 |
} else {
|
479 |
val <<= shift; |
480 |
} |
481 |
return val;
|
482 |
} |
483 |
|
484 |
#define NEON_FN(dest, src1, src2) do { \ |
485 |
int8_t tmp; \ |
486 |
tmp = (int8_t)src2; \ |
487 |
if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
488 |
dest = 0; \
|
489 |
} else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
490 |
dest = src1 >> (sizeof(src1) * 8 - 1); \ |
491 |
} else if (tmp < 0) { \ |
492 |
dest = src1 >> -tmp; \ |
493 |
} else { \
|
494 |
dest = src1 << tmp; \ |
495 |
}} while (0) |
496 |
NEON_VOP(shl_s8, neon_s8, 4)
|
497 |
NEON_VOP(shl_s16, neon_s16, 2)
|
498 |
NEON_VOP(shl_s32, neon_s32, 1)
|
499 |
#undef NEON_FN
|
500 |
|
501 |
uint64_t HELPER(neon_shl_s64)(uint64_t valop, uint64_t shiftop) |
502 |
{ |
503 |
int8_t shift = (int8_t)shiftop; |
504 |
int64_t val = valop; |
505 |
if (shift >= 64) { |
506 |
val = 0;
|
507 |
} else if (shift <= -64) { |
508 |
val >>= 63;
|
509 |
} else if (shift < 0) { |
510 |
val >>= -shift; |
511 |
} else {
|
512 |
val <<= shift; |
513 |
} |
514 |
return val;
|
515 |
} |
516 |
|
517 |
#define NEON_FN(dest, src1, src2) do { \ |
518 |
int8_t tmp; \ |
519 |
tmp = (int8_t)src2; \ |
520 |
if ((tmp >= (ssize_t)sizeof(src1) * 8) \ |
521 |
|| (tmp <= -(ssize_t)sizeof(src1) * 8)) { \ |
522 |
dest = 0; \
|
523 |
} else if (tmp < 0) { \ |
524 |
dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
525 |
} else { \
|
526 |
dest = src1 << tmp; \ |
527 |
}} while (0) |
528 |
NEON_VOP(rshl_s8, neon_s8, 4)
|
529 |
NEON_VOP(rshl_s16, neon_s16, 2)
|
530 |
#undef NEON_FN
|
531 |
|
532 |
/* The addition of the rounding constant may overflow, so we use an
|
533 |
* intermediate 64 bits accumulator. */
|
534 |
uint32_t HELPER(neon_rshl_s32)(uint32_t valop, uint32_t shiftop) |
535 |
{ |
536 |
int32_t dest; |
537 |
int32_t val = (int32_t)valop; |
538 |
int8_t shift = (int8_t)shiftop; |
539 |
if ((shift >= 32) || (shift <= -32)) { |
540 |
dest = 0;
|
541 |
} else if (shift < 0) { |
542 |
int64_t big_dest = ((int64_t)val + (1 << (-1 - shift))); |
543 |
dest = big_dest >> -shift; |
544 |
} else {
|
545 |
dest = val << shift; |
546 |
} |
547 |
return dest;
|
548 |
} |
549 |
|
550 |
/* Handling addition overflow with 64 bits inputs values is more
|
551 |
* tricky than with 32 bits values. */
|
552 |
uint64_t HELPER(neon_rshl_s64)(uint64_t valop, uint64_t shiftop) |
553 |
{ |
554 |
int8_t shift = (int8_t)shiftop; |
555 |
int64_t val = valop; |
556 |
if ((shift >= 64) || (shift <= -64)) { |
557 |
val = 0;
|
558 |
} else if (shift < 0) { |
559 |
val >>= (-shift - 1);
|
560 |
if (val == INT64_MAX) {
|
561 |
/* In this case, it means that the rounding constant is 1,
|
562 |
* and the addition would overflow. Return the actual
|
563 |
* result directly. */
|
564 |
val = 0x4000000000000000LL;
|
565 |
} else {
|
566 |
val++; |
567 |
val >>= 1;
|
568 |
} |
569 |
} else {
|
570 |
val <<= shift; |
571 |
} |
572 |
return val;
|
573 |
} |
574 |
|
575 |
#define NEON_FN(dest, src1, src2) do { \ |
576 |
int8_t tmp; \ |
577 |
tmp = (int8_t)src2; \ |
578 |
if (tmp >= (ssize_t)sizeof(src1) * 8 || \ |
579 |
tmp < -(ssize_t)sizeof(src1) * 8) { \ |
580 |
dest = 0; \
|
581 |
} else if (tmp == -(ssize_t)sizeof(src1) * 8) { \ |
582 |
dest = src1 >> (-tmp - 1); \
|
583 |
} else if (tmp < 0) { \ |
584 |
dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
585 |
} else { \
|
586 |
dest = src1 << tmp; \ |
587 |
}} while (0) |
588 |
NEON_VOP(rshl_u8, neon_u8, 4)
|
589 |
NEON_VOP(rshl_u16, neon_u16, 2)
|
590 |
#undef NEON_FN
|
591 |
|
592 |
/* The addition of the rounding constant may overflow, so we use an
|
593 |
* intermediate 64 bits accumulator. */
|
594 |
uint32_t HELPER(neon_rshl_u32)(uint32_t val, uint32_t shiftop) |
595 |
{ |
596 |
uint32_t dest; |
597 |
int8_t shift = (int8_t)shiftop; |
598 |
if (shift >= 32 || shift < -32) { |
599 |
dest = 0;
|
600 |
} else if (shift == -32) { |
601 |
dest = val >> 31;
|
602 |
} else if (shift < 0) { |
603 |
uint64_t big_dest = ((uint64_t)val + (1 << (-1 - shift))); |
604 |
dest = big_dest >> -shift; |
605 |
} else {
|
606 |
dest = val << shift; |
607 |
} |
608 |
return dest;
|
609 |
} |
610 |
|
611 |
/* Handling addition overflow with 64 bits inputs values is more
|
612 |
* tricky than with 32 bits values. */
|
613 |
uint64_t HELPER(neon_rshl_u64)(uint64_t val, uint64_t shiftop) |
614 |
{ |
615 |
int8_t shift = (uint8_t)shiftop; |
616 |
if (shift >= 64 || shift < -64) { |
617 |
val = 0;
|
618 |
} else if (shift == -64) { |
619 |
/* Rounding a 1-bit result just preserves that bit. */
|
620 |
val >>= 63;
|
621 |
} else if (shift < 0) { |
622 |
val >>= (-shift - 1);
|
623 |
if (val == UINT64_MAX) {
|
624 |
/* In this case, it means that the rounding constant is 1,
|
625 |
* and the addition would overflow. Return the actual
|
626 |
* result directly. */
|
627 |
val = 0x8000000000000000ULL;
|
628 |
} else {
|
629 |
val++; |
630 |
val >>= 1;
|
631 |
} |
632 |
} else {
|
633 |
val <<= shift; |
634 |
} |
635 |
return val;
|
636 |
} |
637 |
|
638 |
#define NEON_FN(dest, src1, src2) do { \ |
639 |
int8_t tmp; \ |
640 |
tmp = (int8_t)src2; \ |
641 |
if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
642 |
if (src1) { \
|
643 |
SET_QC(); \ |
644 |
dest = ~0; \
|
645 |
} else { \
|
646 |
dest = 0; \
|
647 |
} \ |
648 |
} else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
649 |
dest = 0; \
|
650 |
} else if (tmp < 0) { \ |
651 |
dest = src1 >> -tmp; \ |
652 |
} else { \
|
653 |
dest = src1 << tmp; \ |
654 |
if ((dest >> tmp) != src1) { \
|
655 |
SET_QC(); \ |
656 |
dest = ~0; \
|
657 |
} \ |
658 |
}} while (0) |
659 |
NEON_VOP_ENV(qshl_u8, neon_u8, 4)
|
660 |
NEON_VOP_ENV(qshl_u16, neon_u16, 2)
|
661 |
NEON_VOP_ENV(qshl_u32, neon_u32, 1)
|
662 |
#undef NEON_FN
|
663 |
|
664 |
uint64_t HELPER(neon_qshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) |
665 |
{ |
666 |
int8_t shift = (int8_t)shiftop; |
667 |
if (shift >= 64) { |
668 |
if (val) {
|
669 |
val = ~(uint64_t)0;
|
670 |
SET_QC(); |
671 |
} |
672 |
} else if (shift <= -64) { |
673 |
val = 0;
|
674 |
} else if (shift < 0) { |
675 |
val >>= -shift; |
676 |
} else {
|
677 |
uint64_t tmp = val; |
678 |
val <<= shift; |
679 |
if ((val >> shift) != tmp) {
|
680 |
SET_QC(); |
681 |
val = ~(uint64_t)0;
|
682 |
} |
683 |
} |
684 |
return val;
|
685 |
} |
686 |
|
687 |
#define NEON_FN(dest, src1, src2) do { \ |
688 |
int8_t tmp; \ |
689 |
tmp = (int8_t)src2; \ |
690 |
if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
691 |
if (src1) { \
|
692 |
SET_QC(); \ |
693 |
dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \ |
694 |
if (src1 > 0) { \ |
695 |
dest--; \ |
696 |
} \ |
697 |
} else { \
|
698 |
dest = src1; \ |
699 |
} \ |
700 |
} else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
701 |
dest = src1 >> 31; \
|
702 |
} else if (tmp < 0) { \ |
703 |
dest = src1 >> -tmp; \ |
704 |
} else { \
|
705 |
dest = src1 << tmp; \ |
706 |
if ((dest >> tmp) != src1) { \
|
707 |
SET_QC(); \ |
708 |
dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \ |
709 |
if (src1 > 0) { \ |
710 |
dest--; \ |
711 |
} \ |
712 |
} \ |
713 |
}} while (0) |
714 |
NEON_VOP_ENV(qshl_s8, neon_s8, 4)
|
715 |
NEON_VOP_ENV(qshl_s16, neon_s16, 2)
|
716 |
NEON_VOP_ENV(qshl_s32, neon_s32, 1)
|
717 |
#undef NEON_FN
|
718 |
|
719 |
uint64_t HELPER(neon_qshl_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) |
720 |
{ |
721 |
int8_t shift = (uint8_t)shiftop; |
722 |
int64_t val = valop; |
723 |
if (shift >= 64) { |
724 |
if (val) {
|
725 |
SET_QC(); |
726 |
val = (val >> 63) ^ ~SIGNBIT64;
|
727 |
} |
728 |
} else if (shift <= -64) { |
729 |
val >>= 63;
|
730 |
} else if (shift < 0) { |
731 |
val >>= -shift; |
732 |
} else {
|
733 |
int64_t tmp = val; |
734 |
val <<= shift; |
735 |
if ((val >> shift) != tmp) {
|
736 |
SET_QC(); |
737 |
val = (tmp >> 63) ^ ~SIGNBIT64;
|
738 |
} |
739 |
} |
740 |
return val;
|
741 |
} |
742 |
|
743 |
#define NEON_FN(dest, src1, src2) do { \ |
744 |
if (src1 & (1 << (sizeof(src1) * 8 - 1))) { \ |
745 |
SET_QC(); \ |
746 |
dest = 0; \
|
747 |
} else { \
|
748 |
int8_t tmp; \ |
749 |
tmp = (int8_t)src2; \ |
750 |
if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
751 |
if (src1) { \
|
752 |
SET_QC(); \ |
753 |
dest = ~0; \
|
754 |
} else { \
|
755 |
dest = 0; \
|
756 |
} \ |
757 |
} else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
758 |
dest = 0; \
|
759 |
} else if (tmp < 0) { \ |
760 |
dest = src1 >> -tmp; \ |
761 |
} else { \
|
762 |
dest = src1 << tmp; \ |
763 |
if ((dest >> tmp) != src1) { \
|
764 |
SET_QC(); \ |
765 |
dest = ~0; \
|
766 |
} \ |
767 |
} \ |
768 |
}} while (0) |
769 |
NEON_VOP_ENV(qshlu_s8, neon_u8, 4)
|
770 |
NEON_VOP_ENV(qshlu_s16, neon_u16, 2)
|
771 |
#undef NEON_FN
|
772 |
|
773 |
uint32_t HELPER(neon_qshlu_s32)(CPUState *env, uint32_t valop, uint32_t shiftop) |
774 |
{ |
775 |
if ((int32_t)valop < 0) { |
776 |
SET_QC(); |
777 |
return 0; |
778 |
} |
779 |
return helper_neon_qshl_u32(env, valop, shiftop);
|
780 |
} |
781 |
|
782 |
uint64_t HELPER(neon_qshlu_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) |
783 |
{ |
784 |
if ((int64_t)valop < 0) { |
785 |
SET_QC(); |
786 |
return 0; |
787 |
} |
788 |
return helper_neon_qshl_u64(env, valop, shiftop);
|
789 |
} |
790 |
|
791 |
/* FIXME: This is wrong. */
|
792 |
#define NEON_FN(dest, src1, src2) do { \ |
793 |
int8_t tmp; \ |
794 |
tmp = (int8_t)src2; \ |
795 |
if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
796 |
if (src1) { \
|
797 |
SET_QC(); \ |
798 |
dest = ~0; \
|
799 |
} else { \
|
800 |
dest = 0; \
|
801 |
} \ |
802 |
} else if (tmp < -(ssize_t)sizeof(src1) * 8) { \ |
803 |
dest = 0; \
|
804 |
} else if (tmp == -(ssize_t)sizeof(src1) * 8) { \ |
805 |
dest = src1 >> (sizeof(src1) * 8 - 1); \ |
806 |
} else if (tmp < 0) { \ |
807 |
dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
808 |
} else { \
|
809 |
dest = src1 << tmp; \ |
810 |
if ((dest >> tmp) != src1) { \
|
811 |
SET_QC(); \ |
812 |
dest = ~0; \
|
813 |
} \ |
814 |
}} while (0) |
815 |
NEON_VOP_ENV(qrshl_u8, neon_u8, 4)
|
816 |
NEON_VOP_ENV(qrshl_u16, neon_u16, 2)
|
817 |
#undef NEON_FN
|
818 |
|
819 |
/* The addition of the rounding constant may overflow, so we use an
|
820 |
* intermediate 64 bits accumulator. */
|
821 |
uint32_t HELPER(neon_qrshl_u32)(CPUState *env, uint32_t val, uint32_t shiftop) |
822 |
{ |
823 |
uint32_t dest; |
824 |
int8_t shift = (int8_t)shiftop; |
825 |
if (shift >= 32) { |
826 |
if (val) {
|
827 |
SET_QC(); |
828 |
dest = ~0;
|
829 |
} else {
|
830 |
dest = 0;
|
831 |
} |
832 |
} else if (shift < -32) { |
833 |
dest = 0;
|
834 |
} else if (shift == -32) { |
835 |
dest = val >> 31;
|
836 |
} else if (shift < 0) { |
837 |
uint64_t big_dest = ((uint64_t)val + (1 << (-1 - shift))); |
838 |
dest = big_dest >> -shift; |
839 |
} else {
|
840 |
dest = val << shift; |
841 |
if ((dest >> shift) != val) {
|
842 |
SET_QC(); |
843 |
dest = ~0;
|
844 |
} |
845 |
} |
846 |
return dest;
|
847 |
} |
848 |
|
849 |
/* Handling addition overflow with 64 bits inputs values is more
|
850 |
* tricky than with 32 bits values. */
|
851 |
uint64_t HELPER(neon_qrshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) |
852 |
{ |
853 |
int8_t shift = (int8_t)shiftop; |
854 |
if (shift >= 64) { |
855 |
if (val) {
|
856 |
SET_QC(); |
857 |
val = ~0;
|
858 |
} |
859 |
} else if (shift < -64) { |
860 |
val = 0;
|
861 |
} else if (shift == -64) { |
862 |
val >>= 63;
|
863 |
} else if (shift < 0) { |
864 |
val >>= (-shift - 1);
|
865 |
if (val == UINT64_MAX) {
|
866 |
/* In this case, it means that the rounding constant is 1,
|
867 |
* and the addition would overflow. Return the actual
|
868 |
* result directly. */
|
869 |
val = 0x8000000000000000ULL;
|
870 |
} else {
|
871 |
val++; |
872 |
val >>= 1;
|
873 |
} |
874 |
} else { \
|
875 |
uint64_t tmp = val; |
876 |
val <<= shift; |
877 |
if ((val >> shift) != tmp) {
|
878 |
SET_QC(); |
879 |
val = ~0;
|
880 |
} |
881 |
} |
882 |
return val;
|
883 |
} |
884 |
|
885 |
#define NEON_FN(dest, src1, src2) do { \ |
886 |
int8_t tmp; \ |
887 |
tmp = (int8_t)src2; \ |
888 |
if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
889 |
if (src1) { \
|
890 |
SET_QC(); \ |
891 |
dest = (1 << (sizeof(src1) * 8 - 1)); \ |
892 |
if (src1 > 0) { \ |
893 |
dest--; \ |
894 |
} \ |
895 |
} else { \
|
896 |
dest = 0; \
|
897 |
} \ |
898 |
} else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
899 |
dest = 0; \
|
900 |
} else if (tmp < 0) { \ |
901 |
dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
902 |
} else { \
|
903 |
dest = src1 << tmp; \ |
904 |
if ((dest >> tmp) != src1) { \
|
905 |
SET_QC(); \ |
906 |
dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \ |
907 |
if (src1 > 0) { \ |
908 |
dest--; \ |
909 |
} \ |
910 |
} \ |
911 |
}} while (0) |
912 |
NEON_VOP_ENV(qrshl_s8, neon_s8, 4)
|
913 |
NEON_VOP_ENV(qrshl_s16, neon_s16, 2)
|
914 |
#undef NEON_FN
|
915 |
|
916 |
/* The addition of the rounding constant may overflow, so we use an
|
917 |
* intermediate 64 bits accumulator. */
|
918 |
uint32_t HELPER(neon_qrshl_s32)(CPUState *env, uint32_t valop, uint32_t shiftop) |
919 |
{ |
920 |
int32_t dest; |
921 |
int32_t val = (int32_t)valop; |
922 |
int8_t shift = (int8_t)shiftop; |
923 |
if (shift >= 32) { |
924 |
if (val) {
|
925 |
SET_QC(); |
926 |
dest = (val >> 31) ^ ~SIGNBIT;
|
927 |
} else {
|
928 |
dest = 0;
|
929 |
} |
930 |
} else if (shift <= -32) { |
931 |
dest = 0;
|
932 |
} else if (shift < 0) { |
933 |
int64_t big_dest = ((int64_t)val + (1 << (-1 - shift))); |
934 |
dest = big_dest >> -shift; |
935 |
} else {
|
936 |
dest = val << shift; |
937 |
if ((dest >> shift) != val) {
|
938 |
SET_QC(); |
939 |
dest = (val >> 31) ^ ~SIGNBIT;
|
940 |
} |
941 |
} |
942 |
return dest;
|
943 |
} |
944 |
|
945 |
/* Handling addition overflow with 64 bits inputs values is more
|
946 |
* tricky than with 32 bits values. */
|
947 |
uint64_t HELPER(neon_qrshl_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) |
948 |
{ |
949 |
int8_t shift = (uint8_t)shiftop; |
950 |
int64_t val = valop; |
951 |
|
952 |
if (shift >= 64) { |
953 |
if (val) {
|
954 |
SET_QC(); |
955 |
val = (val >> 63) ^ ~SIGNBIT64;
|
956 |
} |
957 |
} else if (shift <= -64) { |
958 |
val = 0;
|
959 |
} else if (shift < 0) { |
960 |
val >>= (-shift - 1);
|
961 |
if (val == INT64_MAX) {
|
962 |
/* In this case, it means that the rounding constant is 1,
|
963 |
* and the addition would overflow. Return the actual
|
964 |
* result directly. */
|
965 |
val = 0x4000000000000000ULL;
|
966 |
} else {
|
967 |
val++; |
968 |
val >>= 1;
|
969 |
} |
970 |
} else {
|
971 |
int64_t tmp = val; |
972 |
val <<= shift; |
973 |
if ((val >> shift) != tmp) {
|
974 |
SET_QC(); |
975 |
val = (tmp >> 63) ^ ~SIGNBIT64;
|
976 |
} |
977 |
} |
978 |
return val;
|
979 |
} |
980 |
|
981 |
uint32_t HELPER(neon_add_u8)(uint32_t a, uint32_t b) |
982 |
{ |
983 |
uint32_t mask; |
984 |
mask = (a ^ b) & 0x80808080u;
|
985 |
a &= ~0x80808080u;
|
986 |
b &= ~0x80808080u;
|
987 |
return (a + b) ^ mask;
|
988 |
} |
989 |
|
990 |
uint32_t HELPER(neon_add_u16)(uint32_t a, uint32_t b) |
991 |
{ |
992 |
uint32_t mask; |
993 |
mask = (a ^ b) & 0x80008000u;
|
994 |
a &= ~0x80008000u;
|
995 |
b &= ~0x80008000u;
|
996 |
return (a + b) ^ mask;
|
997 |
} |
998 |
|
999 |
#define NEON_FN(dest, src1, src2) dest = src1 + src2
|
1000 |
NEON_POP(padd_u8, neon_u8, 4)
|
1001 |
NEON_POP(padd_u16, neon_u16, 2)
|
1002 |
#undef NEON_FN
|
1003 |
|
1004 |
#define NEON_FN(dest, src1, src2) dest = src1 - src2
|
1005 |
NEON_VOP(sub_u8, neon_u8, 4)
|
1006 |
NEON_VOP(sub_u16, neon_u16, 2)
|
1007 |
#undef NEON_FN
|
1008 |
|
1009 |
#define NEON_FN(dest, src1, src2) dest = src1 * src2
|
1010 |
NEON_VOP(mul_u8, neon_u8, 4)
|
1011 |
NEON_VOP(mul_u16, neon_u16, 2)
|
1012 |
#undef NEON_FN
|
1013 |
|
1014 |
/* Polynomial multiplication is like integer multiplication except the
|
1015 |
partial products are XORed, not added. */
|
1016 |
uint32_t HELPER(neon_mul_p8)(uint32_t op1, uint32_t op2) |
1017 |
{ |
1018 |
uint32_t mask; |
1019 |
uint32_t result; |
1020 |
result = 0;
|
1021 |
while (op1) {
|
1022 |
mask = 0;
|
1023 |
if (op1 & 1) |
1024 |
mask |= 0xff;
|
1025 |
if (op1 & (1 << 8)) |
1026 |
mask |= (0xff << 8); |
1027 |
if (op1 & (1 << 16)) |
1028 |
mask |= (0xff << 16); |
1029 |
if (op1 & (1 << 24)) |
1030 |
mask |= (0xff << 24); |
1031 |
result ^= op2 & mask; |
1032 |
op1 = (op1 >> 1) & 0x7f7f7f7f; |
1033 |
op2 = (op2 << 1) & 0xfefefefe; |
1034 |
} |
1035 |
return result;
|
1036 |
} |
1037 |
|
1038 |
uint64_t HELPER(neon_mull_p8)(uint32_t op1, uint32_t op2) |
1039 |
{ |
1040 |
uint64_t result = 0;
|
1041 |
uint64_t mask; |
1042 |
uint64_t op2ex = op2; |
1043 |
op2ex = (op2ex & 0xff) |
|
1044 |
((op2ex & 0xff00) << 8) | |
1045 |
((op2ex & 0xff0000) << 16) | |
1046 |
((op2ex & 0xff000000) << 24); |
1047 |
while (op1) {
|
1048 |
mask = 0;
|
1049 |
if (op1 & 1) { |
1050 |
mask |= 0xffff;
|
1051 |
} |
1052 |
if (op1 & (1 << 8)) { |
1053 |
mask |= (0xffffU << 16); |
1054 |
} |
1055 |
if (op1 & (1 << 16)) { |
1056 |
mask |= (0xffffULL << 32); |
1057 |
} |
1058 |
if (op1 & (1 << 24)) { |
1059 |
mask |= (0xffffULL << 48); |
1060 |
} |
1061 |
result ^= op2ex & mask; |
1062 |
op1 = (op1 >> 1) & 0x7f7f7f7f; |
1063 |
op2ex <<= 1;
|
1064 |
} |
1065 |
return result;
|
1066 |
} |
1067 |
|
1068 |
#define NEON_FN(dest, src1, src2) dest = (src1 & src2) ? -1 : 0 |
1069 |
NEON_VOP(tst_u8, neon_u8, 4)
|
1070 |
NEON_VOP(tst_u16, neon_u16, 2)
|
1071 |
NEON_VOP(tst_u32, neon_u32, 1)
|
1072 |
#undef NEON_FN
|
1073 |
|
1074 |
#define NEON_FN(dest, src1, src2) dest = (src1 == src2) ? -1 : 0 |
1075 |
NEON_VOP(ceq_u8, neon_u8, 4)
|
1076 |
NEON_VOP(ceq_u16, neon_u16, 2)
|
1077 |
NEON_VOP(ceq_u32, neon_u32, 1)
|
1078 |
#undef NEON_FN
|
1079 |
|
1080 |
#define NEON_FN(dest, src, dummy) dest = (src < 0) ? -src : src |
1081 |
NEON_VOP1(abs_s8, neon_s8, 4)
|
1082 |
NEON_VOP1(abs_s16, neon_s16, 2)
|
1083 |
#undef NEON_FN
|
1084 |
|
1085 |
/* Count Leading Sign/Zero Bits. */
|
1086 |
static inline int do_clz8(uint8_t x) |
1087 |
{ |
1088 |
int n;
|
1089 |
for (n = 8; x; n--) |
1090 |
x >>= 1;
|
1091 |
return n;
|
1092 |
} |
1093 |
|
1094 |
static inline int do_clz16(uint16_t x) |
1095 |
{ |
1096 |
int n;
|
1097 |
for (n = 16; x; n--) |
1098 |
x >>= 1;
|
1099 |
return n;
|
1100 |
} |
1101 |
|
1102 |
#define NEON_FN(dest, src, dummy) dest = do_clz8(src)
|
1103 |
NEON_VOP1(clz_u8, neon_u8, 4)
|
1104 |
#undef NEON_FN
|
1105 |
|
1106 |
#define NEON_FN(dest, src, dummy) dest = do_clz16(src)
|
1107 |
NEON_VOP1(clz_u16, neon_u16, 2)
|
1108 |
#undef NEON_FN
|
1109 |
|
1110 |
#define NEON_FN(dest, src, dummy) dest = do_clz8((src < 0) ? ~src : src) - 1 |
1111 |
NEON_VOP1(cls_s8, neon_s8, 4)
|
1112 |
#undef NEON_FN
|
1113 |
|
1114 |
#define NEON_FN(dest, src, dummy) dest = do_clz16((src < 0) ? ~src : src) - 1 |
1115 |
NEON_VOP1(cls_s16, neon_s16, 2)
|
1116 |
#undef NEON_FN
|
1117 |
|
1118 |
uint32_t HELPER(neon_cls_s32)(uint32_t x) |
1119 |
{ |
1120 |
int count;
|
1121 |
if ((int32_t)x < 0) |
1122 |
x = ~x; |
1123 |
for (count = 32; x; count--) |
1124 |
x = x >> 1;
|
1125 |
return count - 1; |
1126 |
} |
1127 |
|
1128 |
/* Bit count. */
|
1129 |
uint32_t HELPER(neon_cnt_u8)(uint32_t x) |
1130 |
{ |
1131 |
x = (x & 0x55555555) + ((x >> 1) & 0x55555555); |
1132 |
x = (x & 0x33333333) + ((x >> 2) & 0x33333333); |
1133 |
x = (x & 0x0f0f0f0f) + ((x >> 4) & 0x0f0f0f0f); |
1134 |
return x;
|
1135 |
} |
1136 |
|
1137 |
#define NEON_QDMULH16(dest, src1, src2, round) do { \ |
1138 |
uint32_t tmp = (int32_t)(int16_t) src1 * (int16_t) src2; \ |
1139 |
if ((tmp ^ (tmp << 1)) & SIGNBIT) { \ |
1140 |
SET_QC(); \ |
1141 |
tmp = (tmp >> 31) ^ ~SIGNBIT; \
|
1142 |
} else { \
|
1143 |
tmp <<= 1; \
|
1144 |
} \ |
1145 |
if (round) { \
|
1146 |
int32_t old = tmp; \ |
1147 |
tmp += 1 << 15; \ |
1148 |
if ((int32_t)tmp < old) { \
|
1149 |
SET_QC(); \ |
1150 |
tmp = SIGNBIT - 1; \
|
1151 |
} \ |
1152 |
} \ |
1153 |
dest = tmp >> 16; \
|
1154 |
} while(0) |
1155 |
#define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 0) |
1156 |
NEON_VOP_ENV(qdmulh_s16, neon_s16, 2)
|
1157 |
#undef NEON_FN
|
1158 |
#define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 1) |
1159 |
NEON_VOP_ENV(qrdmulh_s16, neon_s16, 2)
|
1160 |
#undef NEON_FN
|
1161 |
#undef NEON_QDMULH16
|
1162 |
|
1163 |
#define NEON_QDMULH32(dest, src1, src2, round) do { \ |
1164 |
uint64_t tmp = (int64_t)(int32_t) src1 * (int32_t) src2; \ |
1165 |
if ((tmp ^ (tmp << 1)) & SIGNBIT64) { \ |
1166 |
SET_QC(); \ |
1167 |
tmp = (tmp >> 63) ^ ~SIGNBIT64; \
|
1168 |
} else { \
|
1169 |
tmp <<= 1; \
|
1170 |
} \ |
1171 |
if (round) { \
|
1172 |
int64_t old = tmp; \ |
1173 |
tmp += (int64_t)1 << 31; \ |
1174 |
if ((int64_t)tmp < old) { \
|
1175 |
SET_QC(); \ |
1176 |
tmp = SIGNBIT64 - 1; \
|
1177 |
} \ |
1178 |
} \ |
1179 |
dest = tmp >> 32; \
|
1180 |
} while(0) |
1181 |
#define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 0) |
1182 |
NEON_VOP_ENV(qdmulh_s32, neon_s32, 1)
|
1183 |
#undef NEON_FN
|
1184 |
#define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 1) |
1185 |
NEON_VOP_ENV(qrdmulh_s32, neon_s32, 1)
|
1186 |
#undef NEON_FN
|
1187 |
#undef NEON_QDMULH32
|
1188 |
|
1189 |
uint32_t HELPER(neon_narrow_u8)(uint64_t x) |
1190 |
{ |
1191 |
return (x & 0xffu) | ((x >> 8) & 0xff00u) | ((x >> 16) & 0xff0000u) |
1192 |
| ((x >> 24) & 0xff000000u); |
1193 |
} |
1194 |
|
1195 |
uint32_t HELPER(neon_narrow_u16)(uint64_t x) |
1196 |
{ |
1197 |
return (x & 0xffffu) | ((x >> 16) & 0xffff0000u); |
1198 |
} |
1199 |
|
1200 |
uint32_t HELPER(neon_narrow_high_u8)(uint64_t x) |
1201 |
{ |
1202 |
return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) |
1203 |
| ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); |
1204 |
} |
1205 |
|
1206 |
uint32_t HELPER(neon_narrow_high_u16)(uint64_t x) |
1207 |
{ |
1208 |
return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); |
1209 |
} |
1210 |
|
1211 |
uint32_t HELPER(neon_narrow_round_high_u8)(uint64_t x) |
1212 |
{ |
1213 |
x &= 0xff80ff80ff80ff80ull;
|
1214 |
x += 0x0080008000800080ull;
|
1215 |
return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) |
1216 |
| ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); |
1217 |
} |
1218 |
|
1219 |
uint32_t HELPER(neon_narrow_round_high_u16)(uint64_t x) |
1220 |
{ |
1221 |
x &= 0xffff8000ffff8000ull;
|
1222 |
x += 0x0000800000008000ull;
|
1223 |
return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); |
1224 |
} |
1225 |
|
1226 |
uint32_t HELPER(neon_unarrow_sat8)(CPUState *env, uint64_t x) |
1227 |
{ |
1228 |
uint16_t s; |
1229 |
uint8_t d; |
1230 |
uint32_t res = 0;
|
1231 |
#define SAT8(n) \
|
1232 |
s = x >> n; \ |
1233 |
if (s & 0x8000) { \ |
1234 |
SET_QC(); \ |
1235 |
} else { \
|
1236 |
if (s > 0xff) { \ |
1237 |
d = 0xff; \
|
1238 |
SET_QC(); \ |
1239 |
} else { \
|
1240 |
d = s; \ |
1241 |
} \ |
1242 |
res |= (uint32_t)d << (n / 2); \
|
1243 |
} |
1244 |
|
1245 |
SAT8(0);
|
1246 |
SAT8(16);
|
1247 |
SAT8(32);
|
1248 |
SAT8(48);
|
1249 |
#undef SAT8
|
1250 |
return res;
|
1251 |
} |
1252 |
|
1253 |
uint32_t HELPER(neon_narrow_sat_u8)(CPUState *env, uint64_t x) |
1254 |
{ |
1255 |
uint16_t s; |
1256 |
uint8_t d; |
1257 |
uint32_t res = 0;
|
1258 |
#define SAT8(n) \
|
1259 |
s = x >> n; \ |
1260 |
if (s > 0xff) { \ |
1261 |
d = 0xff; \
|
1262 |
SET_QC(); \ |
1263 |
} else { \
|
1264 |
d = s; \ |
1265 |
} \ |
1266 |
res |= (uint32_t)d << (n / 2);
|
1267 |
|
1268 |
SAT8(0);
|
1269 |
SAT8(16);
|
1270 |
SAT8(32);
|
1271 |
SAT8(48);
|
1272 |
#undef SAT8
|
1273 |
return res;
|
1274 |
} |
1275 |
|
1276 |
uint32_t HELPER(neon_narrow_sat_s8)(CPUState *env, uint64_t x) |
1277 |
{ |
1278 |
int16_t s; |
1279 |
uint8_t d; |
1280 |
uint32_t res = 0;
|
1281 |
#define SAT8(n) \
|
1282 |
s = x >> n; \ |
1283 |
if (s != (int8_t)s) { \
|
1284 |
d = (s >> 15) ^ 0x7f; \ |
1285 |
SET_QC(); \ |
1286 |
} else { \
|
1287 |
d = s; \ |
1288 |
} \ |
1289 |
res |= (uint32_t)d << (n / 2);
|
1290 |
|
1291 |
SAT8(0);
|
1292 |
SAT8(16);
|
1293 |
SAT8(32);
|
1294 |
SAT8(48);
|
1295 |
#undef SAT8
|
1296 |
return res;
|
1297 |
} |
1298 |
|
1299 |
uint32_t HELPER(neon_unarrow_sat16)(CPUState *env, uint64_t x) |
1300 |
{ |
1301 |
uint32_t high; |
1302 |
uint32_t low; |
1303 |
low = x; |
1304 |
if (low & 0x80000000) { |
1305 |
low = 0;
|
1306 |
SET_QC(); |
1307 |
} else if (low > 0xffff) { |
1308 |
low = 0xffff;
|
1309 |
SET_QC(); |
1310 |
} |
1311 |
high = x >> 32;
|
1312 |
if (high & 0x80000000) { |
1313 |
high = 0;
|
1314 |
SET_QC(); |
1315 |
} else if (high > 0xffff) { |
1316 |
high = 0xffff;
|
1317 |
SET_QC(); |
1318 |
} |
1319 |
return low | (high << 16); |
1320 |
} |
1321 |
|
1322 |
uint32_t HELPER(neon_narrow_sat_u16)(CPUState *env, uint64_t x) |
1323 |
{ |
1324 |
uint32_t high; |
1325 |
uint32_t low; |
1326 |
low = x; |
1327 |
if (low > 0xffff) { |
1328 |
low = 0xffff;
|
1329 |
SET_QC(); |
1330 |
} |
1331 |
high = x >> 32;
|
1332 |
if (high > 0xffff) { |
1333 |
high = 0xffff;
|
1334 |
SET_QC(); |
1335 |
} |
1336 |
return low | (high << 16); |
1337 |
} |
1338 |
|
1339 |
uint32_t HELPER(neon_narrow_sat_s16)(CPUState *env, uint64_t x) |
1340 |
{ |
1341 |
int32_t low; |
1342 |
int32_t high; |
1343 |
low = x; |
1344 |
if (low != (int16_t)low) {
|
1345 |
low = (low >> 31) ^ 0x7fff; |
1346 |
SET_QC(); |
1347 |
} |
1348 |
high = x >> 32;
|
1349 |
if (high != (int16_t)high) {
|
1350 |
high = (high >> 31) ^ 0x7fff; |
1351 |
SET_QC(); |
1352 |
} |
1353 |
return (uint16_t)low | (high << 16); |
1354 |
} |
1355 |
|
1356 |
uint32_t HELPER(neon_unarrow_sat32)(CPUState *env, uint64_t x) |
1357 |
{ |
1358 |
if (x & 0x8000000000000000ull) { |
1359 |
SET_QC(); |
1360 |
return 0; |
1361 |
} |
1362 |
if (x > 0xffffffffu) { |
1363 |
SET_QC(); |
1364 |
return 0xffffffffu; |
1365 |
} |
1366 |
return x;
|
1367 |
} |
1368 |
|
1369 |
uint32_t HELPER(neon_narrow_sat_u32)(CPUState *env, uint64_t x) |
1370 |
{ |
1371 |
if (x > 0xffffffffu) { |
1372 |
SET_QC(); |
1373 |
return 0xffffffffu; |
1374 |
} |
1375 |
return x;
|
1376 |
} |
1377 |
|
1378 |
uint32_t HELPER(neon_narrow_sat_s32)(CPUState *env, uint64_t x) |
1379 |
{ |
1380 |
if ((int64_t)x != (int32_t)x) {
|
1381 |
SET_QC(); |
1382 |
return ((int64_t)x >> 63) ^ 0x7fffffff; |
1383 |
} |
1384 |
return x;
|
1385 |
} |
1386 |
|
1387 |
uint64_t HELPER(neon_widen_u8)(uint32_t x) |
1388 |
{ |
1389 |
uint64_t tmp; |
1390 |
uint64_t ret; |
1391 |
ret = (uint8_t)x; |
1392 |
tmp = (uint8_t)(x >> 8);
|
1393 |
ret |= tmp << 16;
|
1394 |
tmp = (uint8_t)(x >> 16);
|
1395 |
ret |= tmp << 32;
|
1396 |
tmp = (uint8_t)(x >> 24);
|
1397 |
ret |= tmp << 48;
|
1398 |
return ret;
|
1399 |
} |
1400 |
|
1401 |
uint64_t HELPER(neon_widen_s8)(uint32_t x) |
1402 |
{ |
1403 |
uint64_t tmp; |
1404 |
uint64_t ret; |
1405 |
ret = (uint16_t)(int8_t)x; |
1406 |
tmp = (uint16_t)(int8_t)(x >> 8);
|
1407 |
ret |= tmp << 16;
|
1408 |
tmp = (uint16_t)(int8_t)(x >> 16);
|
1409 |
ret |= tmp << 32;
|
1410 |
tmp = (uint16_t)(int8_t)(x >> 24);
|
1411 |
ret |= tmp << 48;
|
1412 |
return ret;
|
1413 |
} |
1414 |
|
1415 |
uint64_t HELPER(neon_widen_u16)(uint32_t x) |
1416 |
{ |
1417 |
uint64_t high = (uint16_t)(x >> 16);
|
1418 |
return ((uint16_t)x) | (high << 32); |
1419 |
} |
1420 |
|
1421 |
uint64_t HELPER(neon_widen_s16)(uint32_t x) |
1422 |
{ |
1423 |
uint64_t high = (int16_t)(x >> 16);
|
1424 |
return ((uint32_t)(int16_t)x) | (high << 32); |
1425 |
} |
1426 |
|
1427 |
uint64_t HELPER(neon_addl_u16)(uint64_t a, uint64_t b) |
1428 |
{ |
1429 |
uint64_t mask; |
1430 |
mask = (a ^ b) & 0x8000800080008000ull;
|
1431 |
a &= ~0x8000800080008000ull;
|
1432 |
b &= ~0x8000800080008000ull;
|
1433 |
return (a + b) ^ mask;
|
1434 |
} |
1435 |
|
1436 |
uint64_t HELPER(neon_addl_u32)(uint64_t a, uint64_t b) |
1437 |
{ |
1438 |
uint64_t mask; |
1439 |
mask = (a ^ b) & 0x8000000080000000ull;
|
1440 |
a &= ~0x8000000080000000ull;
|
1441 |
b &= ~0x8000000080000000ull;
|
1442 |
return (a + b) ^ mask;
|
1443 |
} |
1444 |
|
1445 |
uint64_t HELPER(neon_paddl_u16)(uint64_t a, uint64_t b) |
1446 |
{ |
1447 |
uint64_t tmp; |
1448 |
uint64_t tmp2; |
1449 |
|
1450 |
tmp = a & 0x0000ffff0000ffffull;
|
1451 |
tmp += (a >> 16) & 0x0000ffff0000ffffull; |
1452 |
tmp2 = b & 0xffff0000ffff0000ull;
|
1453 |
tmp2 += (b << 16) & 0xffff0000ffff0000ull; |
1454 |
return ( tmp & 0xffff) |
1455 |
| ((tmp >> 16) & 0xffff0000ull) |
1456 |
| ((tmp2 << 16) & 0xffff00000000ull) |
1457 |
| ( tmp2 & 0xffff000000000000ull);
|
1458 |
} |
1459 |
|
1460 |
uint64_t HELPER(neon_paddl_u32)(uint64_t a, uint64_t b) |
1461 |
{ |
1462 |
uint32_t low = a + (a >> 32);
|
1463 |
uint32_t high = b + (b >> 32);
|
1464 |
return low + ((uint64_t)high << 32); |
1465 |
} |
1466 |
|
1467 |
uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b) |
1468 |
{ |
1469 |
uint64_t mask; |
1470 |
mask = (a ^ ~b) & 0x8000800080008000ull;
|
1471 |
a |= 0x8000800080008000ull;
|
1472 |
b &= ~0x8000800080008000ull;
|
1473 |
return (a - b) ^ mask;
|
1474 |
} |
1475 |
|
1476 |
uint64_t HELPER(neon_subl_u32)(uint64_t a, uint64_t b) |
1477 |
{ |
1478 |
uint64_t mask; |
1479 |
mask = (a ^ ~b) & 0x8000000080000000ull;
|
1480 |
a |= 0x8000000080000000ull;
|
1481 |
b &= ~0x8000000080000000ull;
|
1482 |
return (a - b) ^ mask;
|
1483 |
} |
1484 |
|
1485 |
uint64_t HELPER(neon_addl_saturate_s32)(CPUState *env, uint64_t a, uint64_t b) |
1486 |
{ |
1487 |
uint32_t x, y; |
1488 |
uint32_t low, high; |
1489 |
|
1490 |
x = a; |
1491 |
y = b; |
1492 |
low = x + y; |
1493 |
if (((low ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) {
|
1494 |
SET_QC(); |
1495 |
low = ((int32_t)x >> 31) ^ ~SIGNBIT;
|
1496 |
} |
1497 |
x = a >> 32;
|
1498 |
y = b >> 32;
|
1499 |
high = x + y; |
1500 |
if (((high ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) {
|
1501 |
SET_QC(); |
1502 |
high = ((int32_t)x >> 31) ^ ~SIGNBIT;
|
1503 |
} |
1504 |
return low | ((uint64_t)high << 32); |
1505 |
} |
1506 |
|
1507 |
uint64_t HELPER(neon_addl_saturate_s64)(CPUState *env, uint64_t a, uint64_t b) |
1508 |
{ |
1509 |
uint64_t result; |
1510 |
|
1511 |
result = a + b; |
1512 |
if (((result ^ a) & SIGNBIT64) && !((a ^ b) & SIGNBIT64)) {
|
1513 |
SET_QC(); |
1514 |
result = ((int64_t)a >> 63) ^ ~SIGNBIT64;
|
1515 |
} |
1516 |
return result;
|
1517 |
} |
1518 |
|
1519 |
/* We have to do the arithmetic in a larger type than
|
1520 |
* the input type, because for example with a signed 32 bit
|
1521 |
* op the absolute difference can overflow a signed 32 bit value.
|
1522 |
*/
|
1523 |
#define DO_ABD(dest, x, y, intype, arithtype) do { \ |
1524 |
arithtype tmp_x = (intype)(x); \ |
1525 |
arithtype tmp_y = (intype)(y); \ |
1526 |
dest = ((tmp_x > tmp_y) ? tmp_x - tmp_y : tmp_y - tmp_x); \ |
1527 |
} while(0) |
1528 |
|
1529 |
uint64_t HELPER(neon_abdl_u16)(uint32_t a, uint32_t b) |
1530 |
{ |
1531 |
uint64_t tmp; |
1532 |
uint64_t result; |
1533 |
DO_ABD(result, a, b, uint8_t, uint32_t); |
1534 |
DO_ABD(tmp, a >> 8, b >> 8, uint8_t, uint32_t); |
1535 |
result |= tmp << 16;
|
1536 |
DO_ABD(tmp, a >> 16, b >> 16, uint8_t, uint32_t); |
1537 |
result |= tmp << 32;
|
1538 |
DO_ABD(tmp, a >> 24, b >> 24, uint8_t, uint32_t); |
1539 |
result |= tmp << 48;
|
1540 |
return result;
|
1541 |
} |
1542 |
|
1543 |
uint64_t HELPER(neon_abdl_s16)(uint32_t a, uint32_t b) |
1544 |
{ |
1545 |
uint64_t tmp; |
1546 |
uint64_t result; |
1547 |
DO_ABD(result, a, b, int8_t, int32_t); |
1548 |
DO_ABD(tmp, a >> 8, b >> 8, int8_t, int32_t); |
1549 |
result |= tmp << 16;
|
1550 |
DO_ABD(tmp, a >> 16, b >> 16, int8_t, int32_t); |
1551 |
result |= tmp << 32;
|
1552 |
DO_ABD(tmp, a >> 24, b >> 24, int8_t, int32_t); |
1553 |
result |= tmp << 48;
|
1554 |
return result;
|
1555 |
} |
1556 |
|
1557 |
uint64_t HELPER(neon_abdl_u32)(uint32_t a, uint32_t b) |
1558 |
{ |
1559 |
uint64_t tmp; |
1560 |
uint64_t result; |
1561 |
DO_ABD(result, a, b, uint16_t, uint32_t); |
1562 |
DO_ABD(tmp, a >> 16, b >> 16, uint16_t, uint32_t); |
1563 |
return result | (tmp << 32); |
1564 |
} |
1565 |
|
1566 |
uint64_t HELPER(neon_abdl_s32)(uint32_t a, uint32_t b) |
1567 |
{ |
1568 |
uint64_t tmp; |
1569 |
uint64_t result; |
1570 |
DO_ABD(result, a, b, int16_t, int32_t); |
1571 |
DO_ABD(tmp, a >> 16, b >> 16, int16_t, int32_t); |
1572 |
return result | (tmp << 32); |
1573 |
} |
1574 |
|
1575 |
uint64_t HELPER(neon_abdl_u64)(uint32_t a, uint32_t b) |
1576 |
{ |
1577 |
uint64_t result; |
1578 |
DO_ABD(result, a, b, uint32_t, uint64_t); |
1579 |
return result;
|
1580 |
} |
1581 |
|
1582 |
uint64_t HELPER(neon_abdl_s64)(uint32_t a, uint32_t b) |
1583 |
{ |
1584 |
uint64_t result; |
1585 |
DO_ABD(result, a, b, int32_t, int64_t); |
1586 |
return result;
|
1587 |
} |
1588 |
#undef DO_ABD
|
1589 |
|
1590 |
/* Widening multiply. Named type is the source type. */
|
1591 |
#define DO_MULL(dest, x, y, type1, type2) do { \ |
1592 |
type1 tmp_x = x; \ |
1593 |
type1 tmp_y = y; \ |
1594 |
dest = (type2)((type2)tmp_x * (type2)tmp_y); \ |
1595 |
} while(0) |
1596 |
|
1597 |
uint64_t HELPER(neon_mull_u8)(uint32_t a, uint32_t b) |
1598 |
{ |
1599 |
uint64_t tmp; |
1600 |
uint64_t result; |
1601 |
|
1602 |
DO_MULL(result, a, b, uint8_t, uint16_t); |
1603 |
DO_MULL(tmp, a >> 8, b >> 8, uint8_t, uint16_t); |
1604 |
result |= tmp << 16;
|
1605 |
DO_MULL(tmp, a >> 16, b >> 16, uint8_t, uint16_t); |
1606 |
result |= tmp << 32;
|
1607 |
DO_MULL(tmp, a >> 24, b >> 24, uint8_t, uint16_t); |
1608 |
result |= tmp << 48;
|
1609 |
return result;
|
1610 |
} |
1611 |
|
1612 |
uint64_t HELPER(neon_mull_s8)(uint32_t a, uint32_t b) |
1613 |
{ |
1614 |
uint64_t tmp; |
1615 |
uint64_t result; |
1616 |
|
1617 |
DO_MULL(result, a, b, int8_t, uint16_t); |
1618 |
DO_MULL(tmp, a >> 8, b >> 8, int8_t, uint16_t); |
1619 |
result |= tmp << 16;
|
1620 |
DO_MULL(tmp, a >> 16, b >> 16, int8_t, uint16_t); |
1621 |
result |= tmp << 32;
|
1622 |
DO_MULL(tmp, a >> 24, b >> 24, int8_t, uint16_t); |
1623 |
result |= tmp << 48;
|
1624 |
return result;
|
1625 |
} |
1626 |
|
1627 |
uint64_t HELPER(neon_mull_u16)(uint32_t a, uint32_t b) |
1628 |
{ |
1629 |
uint64_t tmp; |
1630 |
uint64_t result; |
1631 |
|
1632 |
DO_MULL(result, a, b, uint16_t, uint32_t); |
1633 |
DO_MULL(tmp, a >> 16, b >> 16, uint16_t, uint32_t); |
1634 |
return result | (tmp << 32); |
1635 |
} |
1636 |
|
1637 |
uint64_t HELPER(neon_mull_s16)(uint32_t a, uint32_t b) |
1638 |
{ |
1639 |
uint64_t tmp; |
1640 |
uint64_t result; |
1641 |
|
1642 |
DO_MULL(result, a, b, int16_t, uint32_t); |
1643 |
DO_MULL(tmp, a >> 16, b >> 16, int16_t, uint32_t); |
1644 |
return result | (tmp << 32); |
1645 |
} |
1646 |
|
1647 |
uint64_t HELPER(neon_negl_u16)(uint64_t x) |
1648 |
{ |
1649 |
uint16_t tmp; |
1650 |
uint64_t result; |
1651 |
result = (uint16_t)-x; |
1652 |
tmp = -(x >> 16);
|
1653 |
result |= (uint64_t)tmp << 16;
|
1654 |
tmp = -(x >> 32);
|
1655 |
result |= (uint64_t)tmp << 32;
|
1656 |
tmp = -(x >> 48);
|
1657 |
result |= (uint64_t)tmp << 48;
|
1658 |
return result;
|
1659 |
} |
1660 |
|
1661 |
uint64_t HELPER(neon_negl_u32)(uint64_t x) |
1662 |
{ |
1663 |
uint32_t low = -x; |
1664 |
uint32_t high = -(x >> 32);
|
1665 |
return low | ((uint64_t)high << 32); |
1666 |
} |
1667 |
|
1668 |
/* FIXME: There should be a native op for this. */
|
1669 |
uint64_t HELPER(neon_negl_u64)(uint64_t x) |
1670 |
{ |
1671 |
return -x;
|
1672 |
} |
1673 |
|
1674 |
/* Saturnating sign manuipulation. */
|
1675 |
/* ??? Make these use NEON_VOP1 */
|
1676 |
#define DO_QABS8(x) do { \ |
1677 |
if (x == (int8_t)0x80) { \ |
1678 |
x = 0x7f; \
|
1679 |
SET_QC(); \ |
1680 |
} else if (x < 0) { \ |
1681 |
x = -x; \ |
1682 |
}} while (0) |
1683 |
uint32_t HELPER(neon_qabs_s8)(CPUState *env, uint32_t x) |
1684 |
{ |
1685 |
neon_s8 vec; |
1686 |
NEON_UNPACK(neon_s8, vec, x); |
1687 |
DO_QABS8(vec.v1); |
1688 |
DO_QABS8(vec.v2); |
1689 |
DO_QABS8(vec.v3); |
1690 |
DO_QABS8(vec.v4); |
1691 |
NEON_PACK(neon_s8, x, vec); |
1692 |
return x;
|
1693 |
} |
1694 |
#undef DO_QABS8
|
1695 |
|
1696 |
#define DO_QNEG8(x) do { \ |
1697 |
if (x == (int8_t)0x80) { \ |
1698 |
x = 0x7f; \
|
1699 |
SET_QC(); \ |
1700 |
} else { \
|
1701 |
x = -x; \ |
1702 |
}} while (0) |
1703 |
uint32_t HELPER(neon_qneg_s8)(CPUState *env, uint32_t x) |
1704 |
{ |
1705 |
neon_s8 vec; |
1706 |
NEON_UNPACK(neon_s8, vec, x); |
1707 |
DO_QNEG8(vec.v1); |
1708 |
DO_QNEG8(vec.v2); |
1709 |
DO_QNEG8(vec.v3); |
1710 |
DO_QNEG8(vec.v4); |
1711 |
NEON_PACK(neon_s8, x, vec); |
1712 |
return x;
|
1713 |
} |
1714 |
#undef DO_QNEG8
|
1715 |
|
1716 |
#define DO_QABS16(x) do { \ |
1717 |
if (x == (int16_t)0x8000) { \ |
1718 |
x = 0x7fff; \
|
1719 |
SET_QC(); \ |
1720 |
} else if (x < 0) { \ |
1721 |
x = -x; \ |
1722 |
}} while (0) |
1723 |
uint32_t HELPER(neon_qabs_s16)(CPUState *env, uint32_t x) |
1724 |
{ |
1725 |
neon_s16 vec; |
1726 |
NEON_UNPACK(neon_s16, vec, x); |
1727 |
DO_QABS16(vec.v1); |
1728 |
DO_QABS16(vec.v2); |
1729 |
NEON_PACK(neon_s16, x, vec); |
1730 |
return x;
|
1731 |
} |
1732 |
#undef DO_QABS16
|
1733 |
|
1734 |
#define DO_QNEG16(x) do { \ |
1735 |
if (x == (int16_t)0x8000) { \ |
1736 |
x = 0x7fff; \
|
1737 |
SET_QC(); \ |
1738 |
} else { \
|
1739 |
x = -x; \ |
1740 |
}} while (0) |
1741 |
uint32_t HELPER(neon_qneg_s16)(CPUState *env, uint32_t x) |
1742 |
{ |
1743 |
neon_s16 vec; |
1744 |
NEON_UNPACK(neon_s16, vec, x); |
1745 |
DO_QNEG16(vec.v1); |
1746 |
DO_QNEG16(vec.v2); |
1747 |
NEON_PACK(neon_s16, x, vec); |
1748 |
return x;
|
1749 |
} |
1750 |
#undef DO_QNEG16
|
1751 |
|
1752 |
uint32_t HELPER(neon_qabs_s32)(CPUState *env, uint32_t x) |
1753 |
{ |
1754 |
if (x == SIGNBIT) {
|
1755 |
SET_QC(); |
1756 |
x = ~SIGNBIT; |
1757 |
} else if ((int32_t)x < 0) { |
1758 |
x = -x; |
1759 |
} |
1760 |
return x;
|
1761 |
} |
1762 |
|
1763 |
uint32_t HELPER(neon_qneg_s32)(CPUState *env, uint32_t x) |
1764 |
{ |
1765 |
if (x == SIGNBIT) {
|
1766 |
SET_QC(); |
1767 |
x = ~SIGNBIT; |
1768 |
} else {
|
1769 |
x = -x; |
1770 |
} |
1771 |
return x;
|
1772 |
} |
1773 |
|
1774 |
/* NEON Float helpers. */
|
1775 |
uint32_t HELPER(neon_min_f32)(uint32_t a, uint32_t b, void *fpstp)
|
1776 |
{ |
1777 |
float_status *fpst = fpstp; |
1778 |
return float32_val(float32_min(make_float32(a), make_float32(b), fpst));
|
1779 |
} |
1780 |
|
1781 |
uint32_t HELPER(neon_max_f32)(uint32_t a, uint32_t b, void *fpstp)
|
1782 |
{ |
1783 |
float_status *fpst = fpstp; |
1784 |
return float32_val(float32_max(make_float32(a), make_float32(b), fpst));
|
1785 |
} |
1786 |
|
1787 |
uint32_t HELPER(neon_abd_f32)(uint32_t a, uint32_t b, void *fpstp)
|
1788 |
{ |
1789 |
float_status *fpst = fpstp; |
1790 |
float32 f0 = make_float32(a); |
1791 |
float32 f1 = make_float32(b); |
1792 |
return float32_val(float32_abs(float32_sub(f0, f1, fpst)));
|
1793 |
} |
1794 |
|
1795 |
/* Floating point comparisons produce an integer result.
|
1796 |
* Note that EQ doesn't signal InvalidOp for QNaNs but GE and GT do.
|
1797 |
* Softfloat routines return 0/1, which we convert to the 0/-1 Neon requires.
|
1798 |
*/
|
1799 |
uint32_t HELPER(neon_ceq_f32)(uint32_t a, uint32_t b, void *fpstp)
|
1800 |
{ |
1801 |
float_status *fpst = fpstp; |
1802 |
return -float32_eq_quiet(make_float32(a), make_float32(b), fpst);
|
1803 |
} |
1804 |
|
1805 |
uint32_t HELPER(neon_cge_f32)(uint32_t a, uint32_t b, void *fpstp)
|
1806 |
{ |
1807 |
float_status *fpst = fpstp; |
1808 |
return -float32_le(make_float32(b), make_float32(a), fpst);
|
1809 |
} |
1810 |
|
1811 |
uint32_t HELPER(neon_cgt_f32)(uint32_t a, uint32_t b, void *fpstp)
|
1812 |
{ |
1813 |
float_status *fpst = fpstp; |
1814 |
return -float32_lt(make_float32(b), make_float32(a), fpst);
|
1815 |
} |
1816 |
|
1817 |
uint32_t HELPER(neon_acge_f32)(uint32_t a, uint32_t b, void *fpstp)
|
1818 |
{ |
1819 |
float_status *fpst = fpstp; |
1820 |
float32 f0 = float32_abs(make_float32(a)); |
1821 |
float32 f1 = float32_abs(make_float32(b)); |
1822 |
return -float32_le(f1, f0, fpst);
|
1823 |
} |
1824 |
|
1825 |
uint32_t HELPER(neon_acgt_f32)(uint32_t a, uint32_t b, void *fpstp)
|
1826 |
{ |
1827 |
float_status *fpst = fpstp; |
1828 |
float32 f0 = float32_abs(make_float32(a)); |
1829 |
float32 f1 = float32_abs(make_float32(b)); |
1830 |
return -float32_lt(f1, f0, fpst);
|
1831 |
} |
1832 |
|
1833 |
#define ELEM(V, N, SIZE) (((V) >> ((N) * (SIZE))) & ((1ull << (SIZE)) - 1)) |
1834 |
|
1835 |
void HELPER(neon_qunzip8)(CPUState *env, uint32_t rd, uint32_t rm)
|
1836 |
{ |
1837 |
uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
1838 |
uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]);
|
1839 |
uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
1840 |
uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]);
|
1841 |
uint64_t d0 = ELEM(zd0, 0, 8) | (ELEM(zd0, 2, 8) << 8) |
1842 |
| (ELEM(zd0, 4, 8) << 16) | (ELEM(zd0, 6, 8) << 24) |
1843 |
| (ELEM(zd1, 0, 8) << 32) | (ELEM(zd1, 2, 8) << 40) |
1844 |
| (ELEM(zd1, 4, 8) << 48) | (ELEM(zd1, 6, 8) << 56); |
1845 |
uint64_t d1 = ELEM(zm0, 0, 8) | (ELEM(zm0, 2, 8) << 8) |
1846 |
| (ELEM(zm0, 4, 8) << 16) | (ELEM(zm0, 6, 8) << 24) |
1847 |
| (ELEM(zm1, 0, 8) << 32) | (ELEM(zm1, 2, 8) << 40) |
1848 |
| (ELEM(zm1, 4, 8) << 48) | (ELEM(zm1, 6, 8) << 56); |
1849 |
uint64_t m0 = ELEM(zd0, 1, 8) | (ELEM(zd0, 3, 8) << 8) |
1850 |
| (ELEM(zd0, 5, 8) << 16) | (ELEM(zd0, 7, 8) << 24) |
1851 |
| (ELEM(zd1, 1, 8) << 32) | (ELEM(zd1, 3, 8) << 40) |
1852 |
| (ELEM(zd1, 5, 8) << 48) | (ELEM(zd1, 7, 8) << 56); |
1853 |
uint64_t m1 = ELEM(zm0, 1, 8) | (ELEM(zm0, 3, 8) << 8) |
1854 |
| (ELEM(zm0, 5, 8) << 16) | (ELEM(zm0, 7, 8) << 24) |
1855 |
| (ELEM(zm1, 1, 8) << 32) | (ELEM(zm1, 3, 8) << 40) |
1856 |
| (ELEM(zm1, 5, 8) << 48) | (ELEM(zm1, 7, 8) << 56); |
1857 |
env->vfp.regs[rm] = make_float64(m0); |
1858 |
env->vfp.regs[rm + 1] = make_float64(m1);
|
1859 |
env->vfp.regs[rd] = make_float64(d0); |
1860 |
env->vfp.regs[rd + 1] = make_float64(d1);
|
1861 |
} |
1862 |
|
1863 |
void HELPER(neon_qunzip16)(CPUState *env, uint32_t rd, uint32_t rm)
|
1864 |
{ |
1865 |
uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
1866 |
uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]);
|
1867 |
uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
1868 |
uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]);
|
1869 |
uint64_t d0 = ELEM(zd0, 0, 16) | (ELEM(zd0, 2, 16) << 16) |
1870 |
| (ELEM(zd1, 0, 16) << 32) | (ELEM(zd1, 2, 16) << 48); |
1871 |
uint64_t d1 = ELEM(zm0, 0, 16) | (ELEM(zm0, 2, 16) << 16) |
1872 |
| (ELEM(zm1, 0, 16) << 32) | (ELEM(zm1, 2, 16) << 48); |
1873 |
uint64_t m0 = ELEM(zd0, 1, 16) | (ELEM(zd0, 3, 16) << 16) |
1874 |
| (ELEM(zd1, 1, 16) << 32) | (ELEM(zd1, 3, 16) << 48); |
1875 |
uint64_t m1 = ELEM(zm0, 1, 16) | (ELEM(zm0, 3, 16) << 16) |
1876 |
| (ELEM(zm1, 1, 16) << 32) | (ELEM(zm1, 3, 16) << 48); |
1877 |
env->vfp.regs[rm] = make_float64(m0); |
1878 |
env->vfp.regs[rm + 1] = make_float64(m1);
|
1879 |
env->vfp.regs[rd] = make_float64(d0); |
1880 |
env->vfp.regs[rd + 1] = make_float64(d1);
|
1881 |
} |
1882 |
|
1883 |
void HELPER(neon_qunzip32)(CPUState *env, uint32_t rd, uint32_t rm)
|
1884 |
{ |
1885 |
uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
1886 |
uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]);
|
1887 |
uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
1888 |
uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]);
|
1889 |
uint64_t d0 = ELEM(zd0, 0, 32) | (ELEM(zd1, 0, 32) << 32); |
1890 |
uint64_t d1 = ELEM(zm0, 0, 32) | (ELEM(zm1, 0, 32) << 32); |
1891 |
uint64_t m0 = ELEM(zd0, 1, 32) | (ELEM(zd1, 1, 32) << 32); |
1892 |
uint64_t m1 = ELEM(zm0, 1, 32) | (ELEM(zm1, 1, 32) << 32); |
1893 |
env->vfp.regs[rm] = make_float64(m0); |
1894 |
env->vfp.regs[rm + 1] = make_float64(m1);
|
1895 |
env->vfp.regs[rd] = make_float64(d0); |
1896 |
env->vfp.regs[rd + 1] = make_float64(d1);
|
1897 |
} |
1898 |
|
1899 |
void HELPER(neon_unzip8)(CPUState *env, uint32_t rd, uint32_t rm)
|
1900 |
{ |
1901 |
uint64_t zm = float64_val(env->vfp.regs[rm]); |
1902 |
uint64_t zd = float64_val(env->vfp.regs[rd]); |
1903 |
uint64_t d0 = ELEM(zd, 0, 8) | (ELEM(zd, 2, 8) << 8) |
1904 |
| (ELEM(zd, 4, 8) << 16) | (ELEM(zd, 6, 8) << 24) |
1905 |
| (ELEM(zm, 0, 8) << 32) | (ELEM(zm, 2, 8) << 40) |
1906 |
| (ELEM(zm, 4, 8) << 48) | (ELEM(zm, 6, 8) << 56); |
1907 |
uint64_t m0 = ELEM(zd, 1, 8) | (ELEM(zd, 3, 8) << 8) |
1908 |
| (ELEM(zd, 5, 8) << 16) | (ELEM(zd, 7, 8) << 24) |
1909 |
| (ELEM(zm, 1, 8) << 32) | (ELEM(zm, 3, 8) << 40) |
1910 |
| (ELEM(zm, 5, 8) << 48) | (ELEM(zm, 7, 8) << 56); |
1911 |
env->vfp.regs[rm] = make_float64(m0); |
1912 |
env->vfp.regs[rd] = make_float64(d0); |
1913 |
} |
1914 |
|
1915 |
void HELPER(neon_unzip16)(CPUState *env, uint32_t rd, uint32_t rm)
|
1916 |
{ |
1917 |
uint64_t zm = float64_val(env->vfp.regs[rm]); |
1918 |
uint64_t zd = float64_val(env->vfp.regs[rd]); |
1919 |
uint64_t d0 = ELEM(zd, 0, 16) | (ELEM(zd, 2, 16) << 16) |
1920 |
| (ELEM(zm, 0, 16) << 32) | (ELEM(zm, 2, 16) << 48); |
1921 |
uint64_t m0 = ELEM(zd, 1, 16) | (ELEM(zd, 3, 16) << 16) |
1922 |
| (ELEM(zm, 1, 16) << 32) | (ELEM(zm, 3, 16) << 48); |
1923 |
env->vfp.regs[rm] = make_float64(m0); |
1924 |
env->vfp.regs[rd] = make_float64(d0); |
1925 |
} |
1926 |
|
1927 |
void HELPER(neon_qzip8)(CPUState *env, uint32_t rd, uint32_t rm)
|
1928 |
{ |
1929 |
uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
1930 |
uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]);
|
1931 |
uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
1932 |
uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]);
|
1933 |
uint64_t d0 = ELEM(zd0, 0, 8) | (ELEM(zm0, 0, 8) << 8) |
1934 |
| (ELEM(zd0, 1, 8) << 16) | (ELEM(zm0, 1, 8) << 24) |
1935 |
| (ELEM(zd0, 2, 8) << 32) | (ELEM(zm0, 2, 8) << 40) |
1936 |
| (ELEM(zd0, 3, 8) << 48) | (ELEM(zm0, 3, 8) << 56); |
1937 |
uint64_t d1 = ELEM(zd0, 4, 8) | (ELEM(zm0, 4, 8) << 8) |
1938 |
| (ELEM(zd0, 5, 8) << 16) | (ELEM(zm0, 5, 8) << 24) |
1939 |
| (ELEM(zd0, 6, 8) << 32) | (ELEM(zm0, 6, 8) << 40) |
1940 |
| (ELEM(zd0, 7, 8) << 48) | (ELEM(zm0, 7, 8) << 56); |
1941 |
uint64_t m0 = ELEM(zd1, 0, 8) | (ELEM(zm1, 0, 8) << 8) |
1942 |
| (ELEM(zd1, 1, 8) << 16) | (ELEM(zm1, 1, 8) << 24) |
1943 |
| (ELEM(zd1, 2, 8) << 32) | (ELEM(zm1, 2, 8) << 40) |
1944 |
| (ELEM(zd1, 3, 8) << 48) | (ELEM(zm1, 3, 8) << 56); |
1945 |
uint64_t m1 = ELEM(zd1, 4, 8) | (ELEM(zm1, 4, 8) << 8) |
1946 |
| (ELEM(zd1, 5, 8) << 16) | (ELEM(zm1, 5, 8) << 24) |
1947 |
| (ELEM(zd1, 6, 8) << 32) | (ELEM(zm1, 6, 8) << 40) |
1948 |
| (ELEM(zd1, 7, 8) << 48) | (ELEM(zm1, 7, 8) << 56); |
1949 |
env->vfp.regs[rm] = make_float64(m0); |
1950 |
env->vfp.regs[rm + 1] = make_float64(m1);
|
1951 |
env->vfp.regs[rd] = make_float64(d0); |
1952 |
env->vfp.regs[rd + 1] = make_float64(d1);
|
1953 |
} |
1954 |
|
1955 |
void HELPER(neon_qzip16)(CPUState *env, uint32_t rd, uint32_t rm)
|
1956 |
{ |
1957 |
uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
1958 |
uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]);
|
1959 |
uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
1960 |
uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]);
|
1961 |
uint64_t d0 = ELEM(zd0, 0, 16) | (ELEM(zm0, 0, 16) << 16) |
1962 |
| (ELEM(zd0, 1, 16) << 32) | (ELEM(zm0, 1, 16) << 48); |
1963 |
uint64_t d1 = ELEM(zd0, 2, 16) | (ELEM(zm0, 2, 16) << 16) |
1964 |
| (ELEM(zd0, 3, 16) << 32) | (ELEM(zm0, 3, 16) << 48); |
1965 |
uint64_t m0 = ELEM(zd1, 0, 16) | (ELEM(zm1, 0, 16) << 16) |
1966 |
| (ELEM(zd1, 1, 16) << 32) | (ELEM(zm1, 1, 16) << 48); |
1967 |
uint64_t m1 = ELEM(zd1, 2, 16) | (ELEM(zm1, 2, 16) << 16) |
1968 |
| (ELEM(zd1, 3, 16) << 32) | (ELEM(zm1, 3, 16) << 48); |
1969 |
env->vfp.regs[rm] = make_float64(m0); |
1970 |
env->vfp.regs[rm + 1] = make_float64(m1);
|
1971 |
env->vfp.regs[rd] = make_float64(d0); |
1972 |
env->vfp.regs[rd + 1] = make_float64(d1);
|
1973 |
} |
1974 |
|
1975 |
void HELPER(neon_qzip32)(CPUState *env, uint32_t rd, uint32_t rm)
|
1976 |
{ |
1977 |
uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
1978 |
uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]);
|
1979 |
uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
1980 |
uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]);
|
1981 |
uint64_t d0 = ELEM(zd0, 0, 32) | (ELEM(zm0, 0, 32) << 32); |
1982 |
uint64_t d1 = ELEM(zd0, 1, 32) | (ELEM(zm0, 1, 32) << 32); |
1983 |
uint64_t m0 = ELEM(zd1, 0, 32) | (ELEM(zm1, 0, 32) << 32); |
1984 |
uint64_t m1 = ELEM(zd1, 1, 32) | (ELEM(zm1, 1, 32) << 32); |
1985 |
env->vfp.regs[rm] = make_float64(m0); |
1986 |
env->vfp.regs[rm + 1] = make_float64(m1);
|
1987 |
env->vfp.regs[rd] = make_float64(d0); |
1988 |
env->vfp.regs[rd + 1] = make_float64(d1);
|
1989 |
} |
1990 |
|
1991 |
void HELPER(neon_zip8)(CPUState *env, uint32_t rd, uint32_t rm)
|
1992 |
{ |
1993 |
uint64_t zm = float64_val(env->vfp.regs[rm]); |
1994 |
uint64_t zd = float64_val(env->vfp.regs[rd]); |
1995 |
uint64_t d0 = ELEM(zd, 0, 8) | (ELEM(zm, 0, 8) << 8) |
1996 |
| (ELEM(zd, 1, 8) << 16) | (ELEM(zm, 1, 8) << 24) |
1997 |
| (ELEM(zd, 2, 8) << 32) | (ELEM(zm, 2, 8) << 40) |
1998 |
| (ELEM(zd, 3, 8) << 48) | (ELEM(zm, 3, 8) << 56); |
1999 |
uint64_t m0 = ELEM(zd, 4, 8) | (ELEM(zm, 4, 8) << 8) |
2000 |
| (ELEM(zd, 5, 8) << 16) | (ELEM(zm, 5, 8) << 24) |
2001 |
| (ELEM(zd, 6, 8) << 32) | (ELEM(zm, 6, 8) << 40) |
2002 |
| (ELEM(zd, 7, 8) << 48) | (ELEM(zm, 7, 8) << 56); |
2003 |
env->vfp.regs[rm] = make_float64(m0); |
2004 |
env->vfp.regs[rd] = make_float64(d0); |
2005 |
} |
2006 |
|
2007 |
void HELPER(neon_zip16)(CPUState *env, uint32_t rd, uint32_t rm)
|
2008 |
{ |
2009 |
uint64_t zm = float64_val(env->vfp.regs[rm]); |
2010 |
uint64_t zd = float64_val(env->vfp.regs[rd]); |
2011 |
uint64_t d0 = ELEM(zd, 0, 16) | (ELEM(zm, 0, 16) << 16) |
2012 |
| (ELEM(zd, 1, 16) << 32) | (ELEM(zm, 1, 16) << 48); |
2013 |
uint64_t m0 = ELEM(zd, 2, 16) | (ELEM(zm, 2, 16) << 16) |
2014 |
| (ELEM(zd, 3, 16) << 32) | (ELEM(zm, 3, 16) << 48); |
2015 |
env->vfp.regs[rm] = make_float64(m0); |
2016 |
env->vfp.regs[rd] = make_float64(d0); |
2017 |
} |