Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Signed-off-by: Ard Biesheuvel <[email protected]>
---
arch/x86/crypto/des3_ede-asm_64.S | 96 +++++++++++++-------
1 file changed, 64 insertions(+), 32 deletions(-)
diff --git a/arch/x86/crypto/des3_ede-asm_64.S b/arch/x86/crypto/des3_ede-asm_64.S
index f4c760f4cade6d7b..cf21b998e77cc4ea 100644
--- a/arch/x86/crypto/des3_ede-asm_64.S
+++ b/arch/x86/crypto/des3_ede-asm_64.S
@@ -129,21 +129,29 @@
movzbl RW0bl, RT2d; \
movzbl RW0bh, RT3d; \
shrq $16, RW0; \
- movq s8(, RT0, 8), RT0; \
- xorq s6(, RT1, 8), to; \
+ leaq s8(%rip), RW1; \
+ movq (RW1, RT0, 8), RT0; \
+ leaq s6(%rip), RW1; \
+ xorq (RW1, RT1, 8), to; \
movzbl RW0bl, RL1d; \
movzbl RW0bh, RT1d; \
shrl $16, RW0d; \
- xorq s4(, RT2, 8), RT0; \
- xorq s2(, RT3, 8), to; \
+ leaq s4(%rip), RW1; \
+ xorq (RW1, RT2, 8), RT0; \
+ leaq s2(%rip), RW1; \
+ xorq (RW1, RT3, 8), to; \
movzbl RW0bl, RT2d; \
movzbl RW0bh, RT3d; \
- xorq s7(, RL1, 8), RT0; \
- xorq s5(, RT1, 8), to; \
- xorq s3(, RT2, 8), RT0; \
+ leaq s7(%rip), RW1; \
+ xorq (RW1, RL1, 8), RT0; \
+ leaq s5(%rip), RW1; \
+ xorq (RW1, RT1, 8), to; \
+ leaq s3(%rip), RW1; \
+ xorq (RW1, RT2, 8), RT0; \
load_next_key(n, RW0); \
xorq RT0, to; \
- xorq s1(, RT3, 8), to; \
+ leaq s1(%rip), RW1; \
+ xorq (RW1, RT3, 8), to; \
#define load_next_key(n, RWx) \
movq (((n) + 1) * 8)(CTX), RWx;
@@ -355,65 +363,89 @@ SYM_FUNC_END(des3_ede_x86_64_crypt_blk)
movzbl RW0bl, RT3d; \
movzbl RW0bh, RT1d; \
shrq $16, RW0; \
- xorq s8(, RT3, 8), to##0; \
- xorq s6(, RT1, 8), to##0; \
+ leaq s8(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##0; \
+ leaq s6(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##0; \
movzbl RW0bl, RT3d; \
movzbl RW0bh, RT1d; \
shrq $16, RW0; \
- xorq s4(, RT3, 8), to##0; \
- xorq s2(, RT1, 8), to##0; \
+ leaq s4(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##0; \
+ leaq s2(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##0; \
movzbl RW0bl, RT3d; \
movzbl RW0bh, RT1d; \
shrl $16, RW0d; \
- xorq s7(, RT3, 8), to##0; \
- xorq s5(, RT1, 8), to##0; \
+ leaq s7(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##0; \
+ leaq s5(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##0; \
movzbl RW0bl, RT3d; \
movzbl RW0bh, RT1d; \
load_next_key(n, RW0); \
- xorq s3(, RT3, 8), to##0; \
- xorq s1(, RT1, 8), to##0; \
+ leaq s3(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##0; \
+ leaq s1(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##0; \
xorq from##1, RW1; \
movzbl RW1bl, RT3d; \
movzbl RW1bh, RT1d; \
shrq $16, RW1; \
- xorq s8(, RT3, 8), to##1; \
- xorq s6(, RT1, 8), to##1; \
+ leaq s8(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##1; \
+ leaq s6(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##1; \
movzbl RW1bl, RT3d; \
movzbl RW1bh, RT1d; \
shrq $16, RW1; \
- xorq s4(, RT3, 8), to##1; \
- xorq s2(, RT1, 8), to##1; \
+ leaq s4(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##1; \
+ leaq s2(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##1; \
movzbl RW1bl, RT3d; \
movzbl RW1bh, RT1d; \
shrl $16, RW1d; \
- xorq s7(, RT3, 8), to##1; \
- xorq s5(, RT1, 8), to##1; \
+ leaq s7(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##1; \
+ leaq s5(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##1; \
movzbl RW1bl, RT3d; \
movzbl RW1bh, RT1d; \
do_movq(RW0, RW1); \
- xorq s3(, RT3, 8), to##1; \
- xorq s1(, RT1, 8), to##1; \
+ leaq s3(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##1; \
+ leaq s1(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##1; \
xorq from##2, RW2; \
movzbl RW2bl, RT3d; \
movzbl RW2bh, RT1d; \
shrq $16, RW2; \
- xorq s8(, RT3, 8), to##2; \
- xorq s6(, RT1, 8), to##2; \
+ leaq s8(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##2; \
+ leaq s6(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##2; \
movzbl RW2bl, RT3d; \
movzbl RW2bh, RT1d; \
shrq $16, RW2; \
- xorq s4(, RT3, 8), to##2; \
- xorq s2(, RT1, 8), to##2; \
+ leaq s4(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##2; \
+ leaq s2(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##2; \
movzbl RW2bl, RT3d; \
movzbl RW2bh, RT1d; \
shrl $16, RW2d; \
- xorq s7(, RT3, 8), to##2; \
- xorq s5(, RT1, 8), to##2; \
+ leaq s7(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##2; \
+ leaq s5(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##2; \
movzbl RW2bl, RT3d; \
movzbl RW2bh, RT1d; \
do_movq(RW0, RW2); \
- xorq s3(, RT3, 8), to##2; \
- xorq s1(, RT1, 8), to##2;
+ leaq s3(%rip), RT2; \
+ xorq (RT2, RT3, 8), to##2; \
+ leaq s1(%rip), RT2; \
+ xorq (RT2, RT1, 8), to##2;
#define __movq(src, dst) \
movq src, dst;
--
2.39.2