[PATCH 04/13] selftests/powerpc: Don't save CR by default in asm helpers

[Michael Ellerman]

Thare are some asm helpers for creating/popping stack frames in
basic_asm.h. They always save/restore CR, but none of the selftests
tests touch non-volatile CR fields, so it's unnecessary to save them by
default.

Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 tools/testing/selftests/powerpc/include/basic_asm.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/tools/testing/selftests/powerpc/include/basic_asm.h b/tools/testing/selftests/powerpc/include/basic_asm.h
index 807e83e821ec..faec7b11c041 100644
--- a/tools/testing/selftests/powerpc/include/basic_asm.h
+++ b/tools/testing/selftests/powerpc/include/basic_asm.h
@@ -59,14 +59,10 @@
 	mflr	r0; \
 	std	r0, STACK_FRAME_LR_POS(%r1); \
 	stdu	%r1, -(((_extra + 15) & ~15) + STACK_FRAME_MIN_SIZE)(%r1); \
-	mfcr	r0; \
-	stw	r0, STACK_FRAME_CR_POS(%r1); \
 	std	%r2, STACK_FRAME_TOC_POS(%r1);
 
 #define POP_BASIC_STACK(_extra) \
 	ld	%r2, STACK_FRAME_TOC_POS(%r1); \
-	lwz	r0, STACK_FRAME_CR_POS(%r1); \
-	mtcr	r0; \
 	addi	%r1, %r1, (((_extra + 15) & ~15) + STACK_FRAME_MIN_SIZE); \
 	ld	r0, STACK_FRAME_LR_POS(%r1); \
 	mtlr	r0;
-- 
2.35.3