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Add fcopysign instructions 

llvm-svn: 79664
This commit is contained in:
Anton Korobeynikov 2009-08-21 20:02:37 +00:00
parent 2dd877d12a
commit f31a44ec01
2 changed files with 29 additions and 0 deletions
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7
llvm/lib/Target/SystemZ/SystemZInstrFP.td
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@ -86,6 +86,13 @@ def FMOV64mry : Pseudo<(outs), (ins rriaddr:$dst, FP64:$src),
"stdy\t{$src, $dst}",
[(store FP64:$src, rriaddr:$dst)]>;
def FCOPYSIGN32 : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2),
"cpsdr\t{$dst, $src2, $src1}",
[(set FP32:$dst, (fcopysign FP32:$src1, FP32:$src2))]>;
def FCOPYSIGN64 : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2),
"cpsdr\t{$dst, $src2, $src1}",
[(set FP64:$dst, (fcopysign FP64:$src1, FP64:$src2))]>;
//===----------------------------------------------------------------------===//
// Arithmetic Instructions

22
llvm/test/CodeGen/SystemZ/2009-08-22-FCopySign.ll Normal file
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@ -0,0 +1,22 @@
; RUN: llvm-as < %s | llc | FileCheck %s
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:16:16-f128:128:128"
target triple = "s390x-ibm-linux-gnu"
define double @foo(double %a, double %b) nounwind {
entry:
; CHECK: cpsdr %f0, %f2, %f0
%0 = tail call double @copysign(double %a, double %b) nounwind readnone
ret double %0
}
define float @bar(float %a, float %b) nounwind {
entry:
; CHECK: cpsdr %f0, %f2, %f0
%0 = tail call float @copysignf(float %a, float %b) nounwind readnone
ret float %0
}
declare double @copysign(double, double) nounwind readnone
declare float @copysignf(float, float) nounwind readnone