powerpc: flexible GPR range save/restore macros
Introduce macros that operate on a (start, end) range of GPRs, which
reduces lines of code and need to do mental arithmetic while reading the
code.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211022061322.2671178-1-npiggin@gmail.com
diff --git a/arch/powerpc/crypto/md5-asm.S b/arch/powerpc/crypto/md5-asm.S
index 948d100..fa6bc44 100644
--- a/arch/powerpc/crypto/md5-asm.S
+++ b/arch/powerpc/crypto/md5-asm.S
@@ -38,15 +38,11 @@
#define INITIALIZE \
PPC_STLU r1,-INT_FRAME_SIZE(r1); \
- SAVE_8GPRS(14, r1); /* push registers onto stack */ \
- SAVE_4GPRS(22, r1); \
- SAVE_GPR(26, r1)
+ SAVE_GPRS(14, 26, r1) /* push registers onto stack */
#define FINALIZE \
- REST_8GPRS(14, r1); /* pop registers from stack */ \
- REST_4GPRS(22, r1); \
- REST_GPR(26, r1); \
- addi r1,r1,INT_FRAME_SIZE;
+ REST_GPRS(14, 26, r1); /* pop registers from stack */ \
+ addi r1,r1,INT_FRAME_SIZE
#ifdef __BIG_ENDIAN__
#define LOAD_DATA(reg, off) \