[llvm] r316853 - [X86] Add AVX512 support to X86FastISel::X86MaterializeFP

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Oct 28 19:18:41 2017
New Revision: 316853

URL: http://llvm.org/viewvc/llvm-project?rev=316853&view=rev
Log:
[X86] Add AVX512 support to X86FastISel::X86MaterializeFP

Modified:
    llvm/trunk/lib/Target/X86/X86FastISel.cpp
    llvm/trunk/test/CodeGen/X86/fast-isel-constpool.ll

Modified: llvm/trunk/lib/Target/X86/X86FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86FastISel.cpp?rev=316853&r1=316852&r2=316853&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86FastISel.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86FastISel.cpp Sat Oct 28 19:18:41 2017
@@ -3712,7 +3712,9 @@ unsigned X86FastISel::X86MaterializeFP(c
   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(c
     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;

Modified: llvm/trunk/test/CodeGen/X86/fast-isel-constpool.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/fast-isel-constpool.ll?rev=316853&r1=316852&r2=316853&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/fast-isel-constpool.ll (original)
+++ llvm/trunk/test/CodeGen/X86/fast-isel-constpool.ll Sat Oct 28 19:18:41 2017
@@ -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) {