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| author |   Michael Ellerman <mpe@ellerman.id.au> | 2022-06-28 00:02:31 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-07-25 12:05:15 +1000 |
| commit | cfbc0723d18f5aeab4308c66d7d1992317eed7c9 (patch) | |
| tree | e9a085b357e7fef4852298348c519756aa2623a8 /tools/testing/selftests/powerpc | |
| parent | selftests/powerpc: Don't save CR by default in asm helpers (diff) | |
| download | wireguard-linux-cfbc0723d18f5aeab4308c66d7d1992317eed7c9.tar.xz wireguard-linux-cfbc0723d18f5aeab4308c66d7d1992317eed7c9.zip | |
selftests/powerpc: Don't save TOC by default in asm helpers
Thare are some asm helpers for creating/popping stack frames in
basic_asm.h. They always save/restore r2 (TOC pointer), but none of the
selftests change r2, so it's unnecessary to save it by default.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220627140239.2464900-5-mpe@ellerman.id.au
Diffstat (limited to 'tools/testing/selftests/powerpc')
| -rw-r--r-- | tools/testing/selftests/powerpc/include/basic_asm.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/tools/testing/selftests/powerpc/include/basic_asm.h b/tools/testing/selftests/powerpc/include/basic_asm.h index faec7b11c041..be380aa779f8 100644 --- a/tools/testing/selftests/powerpc/include/basic_asm.h +++ b/tools/testing/selftests/powerpc/include/basic_asm.h @@ -58,11 +58,9 @@ #define PUSH_BASIC_STACK(_extra) \ mflr r0; \ std r0, STACK_FRAME_LR_POS(%r1); \ - stdu %r1, -(((_extra + 15) & ~15) + STACK_FRAME_MIN_SIZE)(%r1); \ - std %r2, STACK_FRAME_TOC_POS(%r1); + stdu %r1, -(((_extra + 15) & ~15) + STACK_FRAME_MIN_SIZE)(%r1); #define POP_BASIC_STACK(_extra) \ - ld %r2, STACK_FRAME_TOC_POS(%r1); \ addi %r1, %r1, (((_extra + 15) & ~15) + STACK_FRAME_MIN_SIZE); \ ld r0, STACK_FRAME_LR_POS(%r1); \ mtlr r0; |