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use hard-coded sh4a atomic opcodes to avoid linker errors on sh

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when using the sh4a opcodes, the assembler tags the resulting object
file as requiring sh4a. the linker then refuses to (static) link it
with object files marked as requiring j2, since there is no isa level
that includes both sh4a and j2 instructions.
This commit is contained in:
Rich Felker 2017-06-08 19:44:27 -04:00
parent 179766aa2e
commit bc313e880c
1 changed files with 4 additions and 4 deletions
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8
src/thread/sh/atomics.s
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@ -28,15 +28,15 @@ __sh_cas_gusa:
.hidden __sh_cas_llsc
__sh_cas_llsc:
mov r0,r1
synco
0: movli.l @r1,r0
.word 0x00ab /* synco */
0: .word 0x0163 /* movli.l @r1,r0 */
cmp/eq r0,r2
bf 1f
mov r3,r0
movco.l r0,@r1
.word 0x0173 /* movco.l r0,@r1 */
bf 0b
mov r2,r0
1: synco
1: .word 0x00ab /* synco */
mov r0,r3
rts
mov r1,r0