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[AMDGPU][MC] Corrected parsing of carry in/out operands in VOP3
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Disabled constants as carry in/out operands. See bug 48711.

Differential Revision: https://reviews.llvm.org/D100642
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dpreobra committed Apr 19, 2021
1 parent 2b73565 commit bcc29e0
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Showing 3 changed files with 39 additions and 2 deletions.
5 changes: 3 additions & 2 deletions llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1924,8 +1924,9 @@ bool AMDGPUOperand::isSDWAInt32Operand() const {
}

bool AMDGPUOperand::isBoolReg() const {
return (AsmParser->getFeatureBits()[AMDGPU::FeatureWavefrontSize64] && isSCSrcB64()) ||
(AsmParser->getFeatureBits()[AMDGPU::FeatureWavefrontSize32] && isSCSrcB32());
auto FB = AsmParser->getFeatureBits();
return isReg() && ((FB[AMDGPU::FeatureWavefrontSize64] && isSCSrcB64()) ||
(FB[AMDGPU::FeatureWavefrontSize32] && isSCSrcB32()));
}

uint64_t AMDGPUOperand::applyInputFPModifiers(uint64_t Val, unsigned Size) const
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24 changes: 24 additions & 0 deletions llvm/test/MC/AMDGPU/gfx10_asm_err.s
Original file line number Diff line number Diff line change
Expand Up @@ -273,3 +273,27 @@ s_endpgm_saved
v_mov_b32_dpp v5, v1 dpp8:[0,1,2,3,4,5,6,7]
// GFX6-7: error: dpp variant of this instruction is not supported
// GFX8-9: error: not a valid operand

//===----------------------------------------------------------------------===//
// VOP2 E64.
//===----------------------------------------------------------------------===//

v_add_co_ci_u32 v5, 0, v1, v2, vcc
// GFX6-7: error: instruction not supported on this GPU
// GFX8-9: error: instruction not supported on this GPU
// GFX10: error: invalid operand for instruction

v_add_co_ci_u32 v5, vcc, v1, v2, 0
// GFX6-7: error: instruction not supported on this GPU
// GFX8-9: error: instruction not supported on this GPU
// GFX10: error: invalid operand for instruction

v_add_co_ci_u32 v5, 0, v1, v2, vcc_lo
// GFX6-7: error: instruction not supported on this GPU
// GFX8-9: error: instruction not supported on this GPU
// GFX10: error: invalid operand for instruction

v_add_co_ci_u32 v5, vcc_lo, v1, v2, 0
// GFX6-7: error: instruction not supported on this GPU
// GFX8-9: error: instruction not supported on this GPU
// GFX10: error: invalid operand for instruction
12 changes: 12 additions & 0 deletions llvm/test/MC/AMDGPU/vop2-err.s
Original file line number Diff line number Diff line change
Expand Up @@ -56,9 +56,21 @@ v_addc_u32_e32 v1, vcc, v2, v3, s0
v_addc_u32_e32 v1, -1, v2, v3, s0
// CHECK: error: invalid operand for instruction

v_addc_u32 v1, -1, v2, v3, vcc
// CHECK: error: invalid operand for instruction

v_addc_u32 v1, vcc, v2, v3, 0
// CHECK: error: invalid operand for instruction

v_addc_u32_e64 v1, s[0:1], v2, v3, 123
// CHECK: error: invalid operand for instruction

v_addc_u32_e64 v1, 0, v2, v3, s[0:1]
// CHECK: error: invalid operand for instruction

v_addc_u32_e64 v1, s[0:1], v2, v3, 0
// CHECK: error: invalid operand for instruction

v_addc_u32 v1, s[0:1], v2, v3, 123
// CHECK: error: invalid operand for instruction

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