diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 12 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/avx512-intrinsics.ll | 2 |
2 files changed, 11 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 0a8219214f4..2195f40c247 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -22706,8 +22706,16 @@ SDValue X86TargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, return false; }; auto isRoundModeSAE = [](SDValue Rnd) { - if (auto *C = dyn_cast<ConstantSDNode>(Rnd)) - return C->getAPIntValue() == X86::STATIC_ROUNDING::NO_EXC; + if (auto *C = dyn_cast<ConstantSDNode>(Rnd)) { + unsigned RC = C->getZExtValue(); + if (RC & X86::STATIC_ROUNDING::NO_EXC) { + // Clear the NO_EXC bit and check remaining bits. + RC ^= X86::STATIC_ROUNDING::NO_EXC; + // As a convenience we allow no other bits or explicitly + // current direction. + return RC == 0 || RC == X86::STATIC_ROUNDING::CUR_DIRECTION; + } + } return false; }; diff --git a/llvm/test/CodeGen/X86/avx512-intrinsics.ll b/llvm/test/CodeGen/X86/avx512-intrinsics.ll index 6f0aba31cf1..b2d6ce4dfc9 100644 --- a/llvm/test/CodeGen/X86/avx512-intrinsics.ll +++ b/llvm/test/CodeGen/X86/avx512-intrinsics.ll @@ -755,7 +755,7 @@ define <8 x double> @test_getexp_round_pd_512(<8 x double> %a0) { ; CHECK: # %bb.0: ; CHECK-NEXT: vgetexppd {sae}, %zmm0, %zmm0 ; CHECK-NEXT: ret{{[l|q]}} - %res = call <8 x double> @llvm.x86.avx512.mask.getexp.pd.512(<8 x double> %a0, <8 x double> zeroinitializer, i8 -1, i32 8) + %res = call <8 x double> @llvm.x86.avx512.mask.getexp.pd.512(<8 x double> %a0, <8 x double> zeroinitializer, i8 -1, i32 12) ret <8 x double> %res } declare <8 x double> @llvm.x86.avx512.mask.getexp.pd.512(<8 x double>, <8 x double>, i8, i32) nounwind readnone |
