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JitArm64: divwx - Optimize power-of-two divisors

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Power-of-two divisors can be done more elegantly, so handle them
separately.
This commit is contained in:
JosJuice
2021-08-21 18:47:31 +02:00
parent eb8581c26d
commit 9889e7eb33
2 changed files with 31 additions and 1 deletions
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8
Source/Core/Common/Arm64Emitter.h
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@ -896,7 +896,15 @@ public:
CSINV(Rd, zr, zr, (CCFlags)((u32)cond ^ 1));
}
void NEG(ARM64Reg Rd, ARM64Reg Rs) { SUB(Rd, Is64Bit(Rd) ? ARM64Reg::ZR : ARM64Reg::WZR, Rs); }
void NEG(ARM64Reg Rd, ARM64Reg Rs, ArithOption Option)
{
SUB(Rd, Is64Bit(Rd) ? ARM64Reg::ZR : ARM64Reg::WZR, Rs, Option);
}
void NEGS(ARM64Reg Rd, ARM64Reg Rs) { SUBS(Rd, Is64Bit(Rd) ? ARM64Reg::ZR : ARM64Reg::WZR, Rs); }
void NEGS(ARM64Reg Rd, ARM64Reg Rs, ArithOption Option)
{
SUBS(Rd, Is64Bit(Rd) ? ARM64Reg::ZR : ARM64Reg::WZR, Rs, Option);
}
// Data-Processing 1 source
void RBIT(ARM64Reg Rd, ARM64Reg Rn);
void REV16(ARM64Reg Rd, ARM64Reg Rn);