https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105206
--- Comment #6 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 11 Apr 2022, kargl at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105206 > > --- Comment #3 from kargl at gcc dot gnu.org --- > (In reply to Richard Biener from comment #2) > > Hm, it works for me on linux with glibc, can you be more specific as to what > > OS/libc (version) you are using? > > > > foof: > > .LFB0: > > .cfi_startproc > > mulss .LC0(%rip), %xmm0 > > jmp expf > > > > food: > > .LFB1: > > .cfi_startproc > > mulsd .LC1(%rip), %xmm0 > > jmp exp > > Richard, I'm using x86_64-*-freebsd. I just checked with powl(), and got > fool: > .LFB5: > .cfi_startproc > pushq %rbp > .cfi_def_cfa_offset 16 > .cfi_offset 6, -16 > movq %rsp, %rbp > .cfi_def_cfa_register 6 > subq $16, %rsp > flds .LC0(%rip) > pushq 24(%rbp) > pushq 16(%rbp) > fstpt -16(%rbp) > movq -16(%rbp), %rax > movl -8(%rbp), %edx > pushq %rdx > pushq %rax > call powl > addq $32, %rsp > leave > .cfi_def_cfa 7, 8 > ret > .cfi_endproc > > with -ffast-math. > > This might be related to PR89125. The patch I attached to that PR has never > found its way into the repository. I'll do some more testing later today. Ah, yeah - that old issue, indeed good to revisit that.
