Revision 3b89f26c target-sparc/op_helper.c
| b/target-sparc/op_helper.c | ||
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} |
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#endif |
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target_ulong helper_udiv(target_ulong a, target_ulong b) |
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{
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uint64_t x0; |
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uint32_t x1; |
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x0 = a | ((uint64_t) (env->y) << 32); |
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x1 = b; |
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if (x1 == 0) {
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raise_exception(TT_DIV_ZERO); |
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} |
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x0 = x0 / x1; |
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if (x0 > 0xffffffff) {
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env->cc_src2 = 1; |
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return 0xffffffff; |
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} else {
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env->cc_src2 = 0; |
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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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int64_t x0; |
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int32_t x1; |
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x0 = a | ((int64_t) (env->y) << 32); |
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x1 = b; |
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if (x1 == 0) {
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raise_exception(TT_DIV_ZERO); |
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} |
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x0 = x0 / x1; |
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if ((int32_t) x0 != x0) {
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env->cc_src2 = 1; |
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return x0 < 0? 0x80000000: 0x7fffffff; |
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} else {
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env->cc_src2 = 0; |
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return x0; |
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} |
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} |
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uint64_t helper_pack64(target_ulong high, target_ulong low) |
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{
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return ((uint64_t)high << 32) | (uint64_t)(low & 0xffffffff); |
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