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Changed sqrt.s to use x86 asm version of sqrt

This commit is contained in:
zilmar 2012-10-23 19:01:42 +11:00
parent cf1ea3484e
commit 6e8b92d8bc
1 changed files with 12 additions and 1 deletions
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13
Source/Project64/N64 System/Interpreter/Interpreter Ops.cpp
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@ -2036,7 +2036,18 @@ void R4300iOp::COP1_S_DIV (void) {
void R4300iOp::COP1_S_SQRT (void) { void R4300iOp::COP1_S_SQRT (void) {
TEST_COP1_USABLE_EXCEPTION TEST_COP1_USABLE_EXCEPTION
_controlfp(*_RoundingModel,_MCW_RC); _controlfp(*_RoundingModel,_MCW_RC);
*(float *)_FPR_S[m_Opcode.fd] = (float)sqrt(*(float *)_FPR_S[m_Opcode.fs]);
float * Dest = (float *)_FPR_S[m_Opcode.fd];
float * Source = (float *)_FPR_S[m_Opcode.fs];
_asm {
push esi
mov esi, dword ptr [Source]
fld dword ptr [esi]
fsqrt
mov esi, dword ptr [Dest]
fstp dword ptr [esi]
pop esi
}
} }
void R4300iOp::COP1_S_ABS (void) { void R4300iOp::COP1_S_ABS (void) {