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Arm64Emitter: Add additional assertions to BFI/UBFIZ

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MerryMage 2021-01-31 11:50:34 +00:00
commit 8aa2013a2d
1 changed files with 2 additions and 2 deletions
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4
Source/Core/Common/Arm64Emitter.cpp
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@ -1658,7 +1658,7 @@ void ARM64XEmitter::UBFM(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms)
void ARM64XEmitter::BFI(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width) void ARM64XEmitter::BFI(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width)
{ {
u32 size = Is64Bit(Rn) ? 64 : 32; u32 size = Is64Bit(Rn) ? 64 : 32;
ASSERT_MSG(DYNA_REC, (lsb + width) <= size, ASSERT_MSG(DYNA_REC, lsb < size && width >= 1 && width <= size - lsb,
"%s passed lsb %d and width %d which is greater than the register size!", __func__, "%s passed lsb %d and width %d which is greater than the register size!", __func__,
lsb, width); lsb, width);
BFM(Rd, Rn, (size - lsb) % size, width - 1); BFM(Rd, Rn, (size - lsb) % size, width - 1);
@ -1674,7 +1674,7 @@ void ARM64XEmitter::BFXIL(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width)
void ARM64XEmitter::UBFIZ(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width) void ARM64XEmitter::UBFIZ(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width)
{ {
u32 size = Is64Bit(Rn) ? 64 : 32; u32 size = Is64Bit(Rn) ? 64 : 32;
ASSERT_MSG(DYNA_REC, (lsb + width) <= size, ASSERT_MSG(DYNA_REC, lsb < size && width >= 1 && width <= size - lsb,
"%s passed lsb %d and width %d which is greater than the register size!", __func__, "%s passed lsb %d and width %d which is greater than the register size!", __func__,
lsb, width); lsb, width);
UBFM(Rd, Rn, (size - lsb) % size, width - 1); UBFM(Rd, Rn, (size - lsb) % size, width - 1);