https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47471
Tom de Vries <vries at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |vries at gcc dot gnu.org
--- Comment #24 from Tom de Vries <vries at gcc dot gnu.org> ---
I can reproduce this with gcc 4.8.5:
...
f:
.LFB0:
.file 1 "test.c"
.loc 1 3 0
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $60, %rsp
movq %rsi, -168(%rbp)
movq %rdx, -160(%rbp)
movq %rcx, -152(%rbp)
movq %r8, -144(%rbp)
movq %r9, -136(%rbp)
testb %al, %al
je .L2
.loc 1 3 0
movaps %xmm0, -128(%rbp)
movaps %xmm1, -112(%rbp)
movaps %xmm2, -96(%rbp)
movaps %xmm3, -80(%rbp)
movaps %xmm4, -64(%rbp)
movaps %xmm5, -48(%rbp)
movaps %xmm6, -32(%rbp)
movaps %xmm7, -16(%rbp)
.L2:
movl %edi, -180(%rbp)
.loc 1 4 0
movl v(%rip), %eax
...
But with gcc 7.5.0, I get:
...
f:
.LFB0:
.file 1 "test.c"
.loc 1 3 0
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $72, %rsp
movl %edi, -180(%rbp)
movq %rsi, -168(%rbp)
movq %rdx, -160(%rbp)
movq %rcx, -152(%rbp)
movq %r8, -144(%rbp)
movq %r9, -136(%rbp)
testb %al, %al
je .L3
movaps %xmm0, -128(%rbp)
movaps %xmm1, -112(%rbp)
movaps %xmm2, -96(%rbp)
movaps %xmm3, -80(%rbp)
movaps %xmm4, -64(%rbp)
movaps %xmm5, -48(%rbp)
movaps %xmm6, -32(%rbp)
movaps %xmm7, -16(%rbp)
.L3:
.loc 1 4 0
movl v(%rip), %eax
addl $1, %eax
movl %eax, v(%rip)
...
So, isn't this fixed?
