https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94986
nsz at gcc dot gnu.org changed:
What |Removed |Added
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CC| |nsz at gcc dot gnu.org
--- Comment #2 from nsz at gcc dot gnu.org ---
on arm the -pg abi is
func:
push {lr}
bl _gnu_mcount_nc
...
so no frame pointer is involved, -pg implying
-fno-omit-frame-pointer is a historical mistake i think
(because some targets required fp for -pg, but most don't).
ideally r7 clobber would just work with -pg -fomit-frame-pointer.
the alloca problem is a separate issue (that r7 clobber may not
work with alloca).
