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JitArm64: Optimize ConvertSingleToDouble, part 2

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If we can prove that FCVT will provide a correct conversion,
we can use FCVT. This makes the common case a bit faster
and the less likely cases (unfortunately including zero,
which FCVT actually can convert correctly) a bit slower.
This commit is contained in:
JosJuice 2021-02-01 22:14:16 +01:00
commit 1d106ceaf5
6 changed files with 139 additions and 14 deletions
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2
Source/Core/Common/Arm64Emitter.h
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@ -1094,6 +1094,8 @@ public:
void FCMGT(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void FCMLE(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void FCMLT(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void FACGE(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void FACGT(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
// Conditional select
void FCSEL(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, CCFlags cond);