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[X86] Add AVX512 support to X86FastISel::X86MaterializeFP 

llvm-svn: 316853
This commit is contained in:
Craig Topper 2017-10-29 02:18:41 +00:00
parent 07964fbdcb
commit 1e30d783dd
2 changed files with 8 additions and 2 deletions
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8
llvm/lib/Target/X86/X86FastISel.cpp
View File

@ -3712,7 +3712,9 @@ unsigned X86FastISel::X86MaterializeFP(const ConstantFP *CFP, MVT VT) {
default: return 0;
case MVT::f32:
if (X86ScalarSSEf32) {
Opc = Subtarget->hasAVX() ? X86::VMOVSSrm : X86::MOVSSrm;
Opc = Subtarget->hasAVX512()
? X86::VMOVSSZrm
: Subtarget->hasAVX() ? X86::VMOVSSrm : X86::MOVSSrm;
RC = &X86::FR32RegClass;
} else {
Opc = X86::LD_Fp32m;
@ -3721,7 +3723,9 @@ unsigned X86FastISel::X86MaterializeFP(const ConstantFP *CFP, MVT VT) {
break;
case MVT::f64:
if (X86ScalarSSEf64) {
Opc = Subtarget->hasAVX() ? X86::VMOVSDrm : X86::MOVSDrm;
Opc = Subtarget->hasAVX512()
? X86::VMOVSDZrm
: Subtarget->hasAVX() ? X86::VMOVSDrm : X86::MOVSDrm;
RC = &X86::FR64RegClass;
} else {
Opc = X86::LD_Fp64m;

2
llvm/test/CodeGen/X86/fast-isel-constpool.ll
View File

@ -3,6 +3,8 @@
; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=large < %s | FileCheck %s --check-prefix=LARGE
; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=small -mattr=avx < %s | FileCheck %s --check-prefix=AVX
; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=large -mattr=avx < %s | FileCheck %s --check-prefix=LARGE_AVX
; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=small -mattr=avx512f < %s | FileCheck %s --check-prefix=AVX
; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=large -mattr=avx512f < %s | FileCheck %s --check-prefix=LARGE_AVX
; Make sure fast isel uses rip-relative addressing for the small code model.
define float @constpool_float(float %x) {