Revision 7a5e4488 target-sparc/op_helper.c
b/target-sparc/op_helper.c | ||
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} |
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#endif /* TARGET_SPARC64 */ |
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static target_ulong helper_udiv_common(target_ulong a, target_ulong b, int cc) |
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{ |
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int overflow = 0; |
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uint64_t x0; |
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uint32_t x1; |
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|
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x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
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x1 = (b & 0xffffffff); |
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|
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if (x1 == 0) { |
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helper_raise_exception(env, TT_DIV_ZERO); |
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} |
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|
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x0 = x0 / x1; |
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if (x0 > 0xffffffff) { |
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x0 = 0xffffffff; |
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overflow = 1; |
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} |
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|
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if (cc) { |
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env->cc_dst = x0; |
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env->cc_src2 = overflow; |
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env->cc_op = CC_OP_DIV; |
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} |
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return x0; |
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} |
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|
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target_ulong helper_udiv(target_ulong a, target_ulong b) |
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{ |
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return helper_udiv_common(a, b, 0); |
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} |
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|
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target_ulong helper_udiv_cc(target_ulong a, target_ulong b) |
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{ |
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return helper_udiv_common(a, b, 1); |
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} |
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|
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static target_ulong helper_sdiv_common(target_ulong a, target_ulong b, int cc) |
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{ |
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int overflow = 0; |
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int64_t x0; |
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int32_t x1; |
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|
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x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
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x1 = (b & 0xffffffff); |
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|
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if (x1 == 0) { |
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helper_raise_exception(env, TT_DIV_ZERO); |
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} |
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|
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x0 = x0 / x1; |
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if ((int32_t) x0 != x0) { |
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x0 = x0 < 0 ? 0x80000000 : 0x7fffffff; |
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overflow = 1; |
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} |
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|
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if (cc) { |
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env->cc_dst = x0; |
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env->cc_src2 = overflow; |
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env->cc_op = CC_OP_DIV; |
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} |
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return x0; |
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} |
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|
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target_ulong helper_sdiv(target_ulong a, target_ulong b) |
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{ |
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return helper_sdiv_common(a, b, 0); |
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} |
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|
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target_ulong helper_sdiv_cc(target_ulong a, target_ulong b) |
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{ |
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return helper_sdiv_common(a, b, 1); |
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} |
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|
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void helper_stdf(target_ulong addr, int mem_idx) |
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{ |
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helper_check_align(addr, 7); |
Also available in: Unified diff