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| author | Evan Cheng <evan.cheng@apple.com> | 2012-04-13 18:59:28 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2012-04-13 18:59:28 +0000 |
| commit | 7ece9539c287dd536f56e81c69291454186ad262 (patch) | |
| tree | 7ca569c24fcf75bf55011da3b44590bb9ca54ab5 | |
| parent | d6bf201fa20a5cd3aa9f61767081d1d03d8aee3c (diff) | |
| download | external_llvm-7ece9539c287dd536f56e81c69291454186ad262.zip external_llvm-7ece9539c287dd536f56e81c69291454186ad262.tar.gz external_llvm-7ece9539c287dd536f56e81c69291454186ad262.tar.bz2 | |
On Darwin targets, only use vfma etc. if the source use fma() intrinsic explicitly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154689 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 7 | ||||
| -rw-r--r-- | test/CodeGen/ARM/fusedMAC.ll | 2 |
2 files changed, 6 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 3caaa23..af0cafb 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -219,8 +219,11 @@ def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">; // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available. // But only select them if more precision in FP computation is allowed. -def UseFusedMAC : Predicate<"!TM.Options.NoExcessFPPrecision">; -def DontUseFusedMAC : Predicate<"!Subtarget->hasVFP4()">; +// Do not use them for Darwin platforms. +def UseFusedMAC : Predicate<"!TM.Options.NoExcessFPPrecision && " + "!Subtarget->isTargetDarwin()">; +def DontUseFusedMAC : Predicate<"!Subtarget->hasVFP4() || " + "Subtarget->isTargetDarwin()">; //===----------------------------------------------------------------------===// // ARM Flag Definitions. diff --git a/test/CodeGen/ARM/fusedMAC.ll b/test/CodeGen/ARM/fusedMAC.ll index a8b3999..802d1b8 100644 --- a/test/CodeGen/ARM/fusedMAC.ll +++ b/test/CodeGen/ARM/fusedMAC.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -march=arm -mattr=+neon,+vfp4 | FileCheck %s +; RUN: llc < %s -mtriple=armv7-eabi -mattr=+neon,+vfp4 | FileCheck %s ; Check generated fused MAC and MLS. define double @fusedMACTest1(double %d1, double %d2, double %d3) { |