1 ; Check that abs.[ds] is selected and does not depend on -enable-no-nans-fp-math 2 ; They obey the Has2008 and ABS2008 configuration bits which govern the 3 ; conformance to IEEE 754 (1985) and IEEE 754 (2008). When these bits are not 4 ; present, they confirm to 1985. 5 ; In 1985 mode, abs.[ds] are arithmetic (i.e. they raise invalid operation 6 ; exceptions when given NaN's). In 2008 mode, they are non-arithmetic (i.e. 7 ; they are copies and don't raise any exceptions). 8 9 ; RUN: llc < %s -mtriple=mipsel-linux-gnu -mcpu=mips32 | FileCheck %s 10 ; RUN: llc < %s -mtriple=mipsel-linux-gnu -mcpu=mips32r2 | FileCheck %s 11 ; RUN: llc < %s -mtriple=mipsel-linux-gnu -mcpu=mips32 -enable-no-nans-fp-math | FileCheck %s 12 13 ; RUN: llc < %s -mtriple=mips64el-linux-gnu -mcpu=mips64 | FileCheck %s 14 ; RUN: llc < %s -mtriple=mips64el-linux-gnu -mcpu=mips64 -enable-no-nans-fp-math | FileCheck %s 15 16 define float @foo0(float %d) nounwind readnone { 17 entry: 18 ; CHECK-LABEL: foo0: 19 ; CHECK: neg.s 20 %sub = fsub float -0.000000e+00, %d 21 ret float %sub 22 } 23 24 define double @foo1(double %d) nounwind readnone { 25 entry: 26 ; CHECK-LABEL: foo1: 27 ; CHECK: neg.d 28 %sub = fsub double -0.000000e+00, %d 29 ret double %sub 30 } 31
