mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 03:53:04 +02:00
bddb058ce2
This patch enables generation of NMADD and NMSUB instructions when fneg node is present. These instructions are currently only generated if fsub node is present. Patch by Stanislav Ocovaj. Differential Revision: https://reviews.llvm.org/D34507 llvm-svn: 311862
84 lines
3.6 KiB
LLVM
84 lines
3.6 KiB
LLVM
; Check whether nmadd/nmsub instructions are properly generated
|
|
; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM
|
|
; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -mattr=+fp64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM
|
|
; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -mattr=micromips -enable-no-nans-fp-math -asm-show-inst | FileCheck %s -check-prefixes=ALL,CHECK-NM,CHECK-MM
|
|
; RUN: llc < %s -march=mips64el -mcpu=mips64 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM-64
|
|
; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM-64
|
|
; RUN: llc < %s -march=mips64el -mcpu=mips4 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM-64
|
|
; RUN: llc < %s -march=mipsel -mcpu=mips32 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM
|
|
; RUN: llc < %s -march=mipsel -mcpu=mips32r6 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM
|
|
; RUN: llc < %s -march=mips64el -mcpu=mips3 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM-64
|
|
; RUN-TODO: llc < %s -march=mipsel -mcpu=mips32r6 -mattr=micromips -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM
|
|
|
|
define float @add1(float %f, float %g, float %h) local_unnamed_addr #0 {
|
|
entry:
|
|
; ALL-LABEL: add1
|
|
|
|
; CHECK-NM-64: nmadd.s $f0, $f14, $f12, $f13
|
|
; CHECK-NM: nmadd.s $f0, $f0, $f12, $f14
|
|
; CHECK-MM: NMADD_S_MM
|
|
; CHECK-NOT-NM-64 mul.s $f0, $f12, $f13
|
|
; CHECK-NOT-NM-64: neg.s $f0, $f0
|
|
; CHECK-NOT-NM: mul.s $f0, $f12, $f14
|
|
; CHECK-NOT-NM: neg.s $f0, $f0
|
|
|
|
%mul = fmul nnan float %f, %g
|
|
%add = fadd nnan float %mul, %h
|
|
%sub = fsub nnan float -0.000000e+00, %add
|
|
ret float %sub
|
|
}
|
|
|
|
define double @add2(double %f, double %g, double %h) local_unnamed_addr #0 {
|
|
entry:
|
|
; ALL-LABEL: add2
|
|
|
|
; CHECK-NM-64: nmadd.d $f0, $f14, $f12, $f13
|
|
; CHECK-NM: nmadd.d $f0, $f0, $f12, $f14
|
|
; CHECK-MM: NMADD_D32_MM
|
|
; CHECK-NOT-NM-64 mul.d $f0, $f12, $f13
|
|
; CHECK-NOT-NM-64: neg.d $f0, $f0
|
|
; CHECK-NOT-NM: mul.d $f0, $f12, $f14
|
|
; CHECK-NOT-NM: neg.d $f0, $f0
|
|
|
|
%mul = fmul nnan double %f, %g
|
|
%add = fadd nnan double %mul, %h
|
|
%sub = fsub nnan double -0.000000e+00, %add
|
|
ret double %sub
|
|
}
|
|
|
|
define float @sub1(float %f, float %g, float %h) local_unnamed_addr #0 {
|
|
entry:
|
|
; ALL-LABEL: sub1
|
|
|
|
; CHECK-NM-64: nmsub.s $f0, $f14, $f12, $f13
|
|
; CHECK-NM: nmsub.s $f0, $f0, $f12, $f14
|
|
; CHECK-MM: NMSUB_S_MM
|
|
; CHECK-NOT-NM-64 mul.s $f0, $f12, $f13
|
|
; CHECK-NOT-NM-64: neg.s $f0, $f0
|
|
; CHECK-NOT-NM: mul.s $f0, $f12, $f14
|
|
; CHECK-NOT-NM: neg.s $f0, $f0
|
|
|
|
%mul = fmul nnan float %f, %g
|
|
%sub = fsub nnan float %mul, %h
|
|
%sub1 = fsub nnan float -0.000000e+00, %sub
|
|
ret float %sub1
|
|
}
|
|
|
|
define double @sub2(double %f, double %g, double %h) local_unnamed_addr #0 {
|
|
entry:
|
|
; ALL-LABEL: sub2
|
|
|
|
; CHECK-NM-64: nmsub.d $f0, $f14, $f12, $f13
|
|
; CHECK-NM: nmsub.d $f0, $f0, $f12, $f14
|
|
; CHECK-MM: NMSUB_D32_MM
|
|
; CHECK-NOT-NM-64 mul.d $f0, $f12, $f13
|
|
; CHECK-NOT-NM-64: neg.d $f0, $f0
|
|
; CHECK-NOT-NM: mul.d $f0, $f12, $f14
|
|
; CHECK-NOT-NM: neg.d $f0, $f0
|
|
|
|
%mul = fmul nnan double %f, %g
|
|
%sub = fsub nnan double %mul, %h
|
|
%sub1 = fsub nnan double -0.000000e+00, %sub
|
|
ret double %sub1
|
|
}
|