2023-04-08 15:29:03

by Ard Biesheuvel

[permalink] [raw]
Subject: [PATCH 01/10] crypto: x86/aegis128 - Use RIP-relative addressing

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/aegis128-aesni-asm.S | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/crypto/aegis128-aesni-asm.S b/arch/x86/crypto/aegis128-aesni-asm.S
index cdf3215ec272ced2..ad7f4c89162568b0 100644
--- a/arch/x86/crypto/aegis128-aesni-asm.S
+++ b/arch/x86/crypto/aegis128-aesni-asm.S
@@ -201,8 +201,8 @@ SYM_FUNC_START(crypto_aegis128_aesni_init)
movdqa KEY, STATE4

/* load the constants: */
- movdqa .Laegis128_const_0, STATE2
- movdqa .Laegis128_const_1, STATE1
+ movdqa .Laegis128_const_0(%rip), STATE2
+ movdqa .Laegis128_const_1(%rip), STATE1
pxor STATE2, STATE3
pxor STATE1, STATE4

@@ -682,7 +682,7 @@ SYM_TYPED_FUNC_START(crypto_aegis128_aesni_dec_tail)
punpcklbw T0, T0
punpcklbw T0, T0
punpcklbw T0, T0
- movdqa .Laegis128_counter, T1
+ movdqa .Laegis128_counter(%rip), T1
pcmpgtb T1, T0
pand T0, MSG

--
2.39.2