Revision 2dedf314
| b/target-sparc/helper.h | ||
|---|---|---|
| 138 | 138 |
DEF_HELPER_FLAGS_2(fmuld8ulx16, TCG_CALL_CONST | TCG_CALL_PURE, i64, i64, i64) |
| 139 | 139 |
DEF_HELPER_FLAGS_2(fexpand, TCG_CALL_CONST | TCG_CALL_PURE, i64, i64, i64) |
| 140 | 140 |
DEF_HELPER_FLAGS_3(pdist, TCG_CALL_CONST | TCG_CALL_PURE, i64, i64, i64, i64) |
| 141 |
DEF_HELPER_FLAGS_2(fpack16, TCG_CALL_CONST | TCG_CALL_PURE, i32, i64, i64) |
|
| 142 |
DEF_HELPER_FLAGS_3(fpack32, TCG_CALL_CONST | TCG_CALL_PURE, i64, i64, i64, i64) |
|
| 143 |
DEF_HELPER_FLAGS_2(fpackfix, TCG_CALL_CONST | TCG_CALL_PURE, i32, i64, i64) |
|
| 141 | 144 |
#define VIS_HELPER(name) \ |
| 142 | 145 |
DEF_HELPER_FLAGS_2(f ## name ## 16, TCG_CALL_CONST | TCG_CALL_PURE, \ |
| 143 | 146 |
i64, i64, i64) \ |
| b/target-sparc/translate.c | ||
|---|---|---|
| 1739 | 1739 |
gen_store_fpr_D(dc, rd, dst); |
| 1740 | 1740 |
} |
| 1741 | 1741 |
|
| 1742 |
static inline void gen_gsr_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2, |
|
| 1743 |
void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64)) |
|
| 1744 |
{
|
|
| 1745 |
TCGv_i64 dst, src1, src2; |
|
| 1746 |
|
|
| 1747 |
src1 = gen_load_fpr_D(dc, rs1); |
|
| 1748 |
src2 = gen_load_fpr_D(dc, rs2); |
|
| 1749 |
dst = gen_dest_fpr_D(); |
|
| 1750 |
|
|
| 1751 |
gen(dst, cpu_gsr, src1, src2); |
|
| 1752 |
|
|
| 1753 |
gen_store_fpr_D(dc, rd, dst); |
|
| 1754 |
} |
|
| 1755 |
|
|
| 1742 | 1756 |
static inline void gen_ne_fop_DDDD(DisasContext *dc, int rd, int rs1, int rs2, |
| 1743 | 1757 |
void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64)) |
| 1744 | 1758 |
{
|
| ... | ... | |
| 4072 | 4086 |
gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld8ulx16); |
| 4073 | 4087 |
break; |
| 4074 | 4088 |
case 0x03a: /* VIS I fpack32 */ |
| 4089 |
CHECK_FPU_FEATURE(dc, VIS1); |
|
| 4090 |
gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpack32); |
|
| 4091 |
break; |
|
| 4075 | 4092 |
case 0x03b: /* VIS I fpack16 */ |
| 4093 |
CHECK_FPU_FEATURE(dc, VIS1); |
|
| 4094 |
cpu_src1_64 = gen_load_fpr_D(dc, rs2); |
|
| 4095 |
cpu_dst_32 = gen_dest_fpr_F(); |
|
| 4096 |
gen_helper_fpack16(cpu_dst_32, cpu_gsr, cpu_src1_64); |
|
| 4097 |
gen_store_fpr_F(dc, rd, cpu_dst_32); |
|
| 4098 |
break; |
|
| 4076 | 4099 |
case 0x03d: /* VIS I fpackfix */ |
| 4077 |
goto illegal_insn; |
|
| 4100 |
CHECK_FPU_FEATURE(dc, VIS1); |
|
| 4101 |
cpu_src1_64 = gen_load_fpr_D(dc, rs2); |
|
| 4102 |
cpu_dst_32 = gen_dest_fpr_F(); |
|
| 4103 |
gen_helper_fpackfix(cpu_dst_32, cpu_gsr, cpu_src1_64); |
|
| 4104 |
gen_store_fpr_F(dc, rd, cpu_dst_32); |
|
| 4105 |
break; |
|
| 4078 | 4106 |
case 0x03e: /* VIS I pdist */ |
| 4079 | 4107 |
CHECK_FPU_FEATURE(dc, VIS1); |
| 4080 | 4108 |
gen_ne_fop_DDDD(dc, rd, rs1, rs2, gen_helper_pdist); |
| b/target-sparc/vis_helper.c | ||
|---|---|---|
| 417 | 417 |
|
| 418 | 418 |
return sum; |
| 419 | 419 |
} |
| 420 |
|
|
| 421 |
uint32_t helper_fpack16(uint64_t gsr, uint64_t rs2) |
|
| 422 |
{
|
|
| 423 |
int scale = (gsr >> 3) & 0xf; |
|
| 424 |
uint32_t ret = 0; |
|
| 425 |
int byte; |
|
| 426 |
|
|
| 427 |
for (byte = 0; byte < 4; byte++) {
|
|
| 428 |
uint32_t val; |
|
| 429 |
int16_t src = rs2 >> (byte * 16); |
|
| 430 |
int32_t scaled = src << scale; |
|
| 431 |
int32_t from_fixed = scaled >> 7; |
|
| 432 |
|
|
| 433 |
val = (from_fixed < 0 ? 0 : |
|
| 434 |
from_fixed > 255 ? 255 : from_fixed); |
|
| 435 |
|
|
| 436 |
ret |= val << (8 * byte); |
|
| 437 |
} |
|
| 438 |
|
|
| 439 |
return ret; |
|
| 440 |
} |
|
| 441 |
|
|
| 442 |
uint64_t helper_fpack32(uint64_t gsr, uint64_t rs1, uint64_t rs2) |
|
| 443 |
{
|
|
| 444 |
int scale = (gsr >> 3) & 0x1f; |
|
| 445 |
uint64_t ret = 0; |
|
| 446 |
int word; |
|
| 447 |
|
|
| 448 |
ret = (rs1 << 8) & ~(0x000000ff000000ffULL); |
|
| 449 |
for (word = 0; word < 2; word++) {
|
|
| 450 |
uint64_t val; |
|
| 451 |
int32_t src = rs2 >> (word * 32); |
|
| 452 |
int64_t scaled = (int64_t)src << scale; |
|
| 453 |
int64_t from_fixed = scaled >> 23; |
|
| 454 |
|
|
| 455 |
val = (from_fixed < 0 ? 0 : |
|
| 456 |
(from_fixed > 255) ? 255 : from_fixed); |
|
| 457 |
|
|
| 458 |
ret |= val << (32 * word); |
|
| 459 |
} |
|
| 460 |
|
|
| 461 |
return ret; |
|
| 462 |
} |
|
| 463 |
|
|
| 464 |
uint32_t helper_fpackfix(uint64_t gsr, uint64_t rs2) |
|
| 465 |
{
|
|
| 466 |
int scale = (gsr >> 3) & 0x1f; |
|
| 467 |
uint32_t ret = 0; |
|
| 468 |
int word; |
|
| 469 |
|
|
| 470 |
for (word = 0; word < 2; word++) {
|
|
| 471 |
uint32_t val; |
|
| 472 |
int32_t src = rs2 >> (word * 32); |
|
| 473 |
int64_t scaled = src << scale; |
|
| 474 |
int64_t from_fixed = scaled >> 16; |
|
| 475 |
|
|
| 476 |
val = (from_fixed < -32768 ? -32768 : |
|
| 477 |
from_fixed > 32767 ? 32767 : from_fixed); |
|
| 478 |
|
|
| 479 |
ret |= (val & 0xffff) << (word * 16); |
|
| 480 |
} |
|
| 481 |
|
|
| 482 |
return ret; |
|
| 483 |
} |
|
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