https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83285
Steve Ellcey <sje at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |sje at gcc dot gnu.org
--- Comment #2 from Steve Ellcey <sje at gcc dot gnu.org> ---
This may be fixed on top-of-tree (though I don't know what change
might have fixed it).
If I build with ToT (8.0 prelease I see all three stores:
Example from commoent #1 compiled with -O3:
% more x.s
.arch armv8-a
.file "x.c"
.text
.align 2
.p2align 3,,7
.global _Z7seq_cstRiRSt6atomicIiE
.type _Z7seq_cstRiRSt6atomicIiE, %function
_Z7seq_cstRiRSt6atomicIiE:
.LFB342:
.cfi_startproc
mov w2, 1
str w2, [x0]
mov w2, 2
stlr w2, [x1]
mov w1, 3
str w1, [x0]
ret
.cfi_endproc
.LFE342:
.size _Z7seq_cstRiRSt6atomicIiE, .-_Z7seq_cstRiRSt6atomicIiE
.ident "GCC: (GNU) 8.0.0 20180105 (experimental)"
.section .note.GNU-stack,"",@progbits