https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17381
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |msebor at gcc dot gnu.org
Resolution|--- |FIXED
--- Comment #8 from Martin Sebor <msebor at gcc dot gnu.org> ---
Trunk as well as the native 4.8.3 on RHEL 7.1 do not emit the redundant fmr
instruction. Below is what I get today. Closing as fixed.
$ /build/gcc-trunk/gcc/xgcc -B /build/gcc-trunk/gcc -O2 -S -Wall -Wextra
-Wpedantic -m32 -o/dev/stdout ~/tmp/t.c
.file "t.c"
.machine power4
.section ".text"
.align 2
.p2align 4,,15
.globl test1
.type test1, @function
test1:
fmr 0,1
lis 9,f@ha
stfs 1,f@l(9)
lis 9,d@ha
stfd 0,d@l(9)
blr
.size test1,.-test1
.comm f,4,4
.comm d,8,8
.ident "GCC: (GNU) 6.0.0 20160125 (experimental)"
.gnu_attribute 4, 1
.section .note.GNU-stack,"",@progbits
