From 68bf64e302b5fb87a1943101828a489b5ca1fc46 Mon Sep 17 00:00:00 2001 From: Ahmed Bougacha Date: Thu, 27 Aug 2015 22:24:56 +0000 Subject: [PATCH] [X86] Use AVX features instead of ABI to init. SimdDefaultAlign. The ABI string only exists to communicate with TargetCodeGenInfo. Concretely, since we only used "avx*" ABI strings on x86_64 (as AVX doesn't affect the i386 ABIs), this meant that, when initializing SimdDefaultAlign, we would ignore AVX/AVX512 on i386, for no good reason. Instead, directly check the features. A similar change for MaxVectorAlign will follow. Differential Revision: http://reviews.llvm.org/D12390 llvm-svn: 246228 --- clang/lib/Basic/Targets.cpp | 2 +- clang/test/OpenMP/simd_metadata.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index 577ee8abc81c..985e991e6010 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -2984,7 +2984,7 @@ bool X86TargetInfo::handleTargetFeatures(std::vector &Features, MMX3DNowLevel = std::max(MMX3DNowLevel, MMX); SimdDefaultAlign = - (getABI() == "avx512") ? 512 : (getABI() == "avx") ? 256 : 128; + hasFeature("avx512f") ? 512 : hasFeature("avx") ? 256 : 128; return true; } diff --git a/clang/test/OpenMP/simd_metadata.c b/clang/test/OpenMP/simd_metadata.c index 12f05503749c..6ed660747dcb 100644 --- a/clang/test/OpenMP/simd_metadata.c +++ b/clang/test/OpenMP/simd_metadata.c @@ -1,6 +1,9 @@ // RUN: %clang_cc1 -fopenmp -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=X86 // RUN: %clang_cc1 -fopenmp -triple x86_64-unknown-unknown -target-feature +avx -emit-llvm %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=X86-AVX // RUN: %clang_cc1 -fopenmp -triple x86_64-unknown-unknown -target-feature +avx512f -emit-llvm %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=X86-AVX512 +// RUN: %clang_cc1 -fopenmp -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=X86 +// RUN: %clang_cc1 -fopenmp -triple i386-unknown-unknown -target-feature +avx -emit-llvm %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=X86-AVX +// RUN: %clang_cc1 -fopenmp -triple i386-unknown-unknown -target-feature +avx512f -emit-llvm %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=X86-AVX512 // RUN: %clang_cc1 -fopenmp -triple powerpc64-unknown-unknown -emit-llvm %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=PPC // RUN: %clang_cc1 -fopenmp -triple powerpc64-unknown-unknown -target-abi elfv1-qpx -emit-llvm %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=PPC-QPX