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Fixing carry.

This commit is contained in:
Ben Vanik 2013-12-08 20:42:20 -08:00
parent 2e5489e22f
commit 24a13b4021
1 changed files with 1 additions and 1 deletions
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2
src/alloy/backend/ivm/ivm_intcode.cc
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@ -1900,7 +1900,7 @@ int Translate_VECTOR_COMPARE_UGE(TranslationContext& ctx, Instr* i) {
return DispatchToC(ctx, i, fns[i->flags]);
}
#define CHECK_DID_CARRY(v1, v2) ((v2) > ~(v1))
#define CHECK_DID_CARRY(v1, v2) (((uint64_t)v2) > ~((uint64_t)v1))
#define ADD_DID_CARRY(a, b) CHECK_DID_CARRY(a, b)
uint32_t IntCode_ADD_I8_I8(IntCodeState& ics, const IntCode* i) {
int8_t a = ics.rf[i->src1_reg].i8; int8_t b = ics.rf[i->src2_reg].i8;