diff options
Diffstat (limited to 'test/CodeGen/Mips/fneg.ll')
| -rw-r--r-- | test/CodeGen/Mips/fneg.ll | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/test/CodeGen/Mips/fneg.ll b/test/CodeGen/Mips/fneg.ll index b322abd..4fb80fd 100644 --- a/test/CodeGen/Mips/fneg.ll +++ b/test/CodeGen/Mips/fneg.ll @@ -1,17 +1,30 @@ -; RUN: llc < %s -march=mipsel -mcpu=mips32 | FileCheck %s +; Check that abs.[ds] is selected and does not depend on -enable-no-nans-fp-math +; They obey the Has2008 and ABS2008 configuration bits which govern the +; conformance to IEEE 754 (1985) and IEEE 754 (2008). When these bits are not +; present, they confirm to 1985. +; In 1985 mode, abs.[ds] are arithmetic (i.e. they raise invalid operation +; exceptions when given NaN's). In 2008 mode, they are non-arithmetic (i.e. +; they are copies and don't raise any exceptions). -define float @foo0(i32 %a, float %d) nounwind readnone { +; RUN: llc < %s -mtriple=mipsel-linux-gnu -mcpu=mips32 | FileCheck %s +; RUN: llc < %s -mtriple=mipsel-linux-gnu -mcpu=mips32r2 | FileCheck %s +; RUN: llc < %s -mtriple=mipsel-linux-gnu -mcpu=mips32 -enable-no-nans-fp-math | FileCheck %s + +; RUN: llc < %s -mtriple=mips64el-linux-gnu -mcpu=mips64 | FileCheck %s +; RUN: llc < %s -mtriple=mips64el-linux-gnu -mcpu=mips64 -enable-no-nans-fp-math | FileCheck %s + +define float @foo0(float %d) nounwind readnone { entry: -; CHECK-NOT: neg.s +; CHECK-LABEL: foo0: +; CHECK: neg.s %sub = fsub float -0.000000e+00, %d ret float %sub } -define double @foo1(i32 %a, double %d) nounwind readnone { +define double @foo1(double %d) nounwind readnone { entry: -; CHECK: foo1 -; CHECK-NOT: neg.d -; CHECK: jr +; CHECK-LABEL: foo1: +; CHECK: neg.d %sub = fsub double -0.000000e+00, %d ret double %sub } |