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crypto: x86/ghash - Use RIP-relative addressing

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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ard Biesheuvel 2023-04-12 13:00:31 +02:00 committed by Herbert Xu
parent 3695536028
commit c41672b9fd
1 changed files with 2 additions and 2 deletions
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4
arch/x86/crypto/ghash-clmulni-intel_asm.S
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@ -93,7 +93,7 @@ SYM_FUNC_START(clmul_ghash_mul)
FRAME_BEGIN FRAME_BEGIN
movups (%rdi), DATA movups (%rdi), DATA
movups (%rsi), SHASH movups (%rsi), SHASH
movaps .Lbswap_mask, BSWAP movaps .Lbswap_mask(%rip), BSWAP
pshufb BSWAP, DATA pshufb BSWAP, DATA
call __clmul_gf128mul_ble call __clmul_gf128mul_ble
pshufb BSWAP, DATA pshufb BSWAP, DATA
@ -110,7 +110,7 @@ SYM_FUNC_START(clmul_ghash_update)
FRAME_BEGIN FRAME_BEGIN
cmp $16, %rdx cmp $16, %rdx
jb .Lupdate_just_ret # check length jb .Lupdate_just_ret # check length
movaps .Lbswap_mask, BSWAP movaps .Lbswap_mask(%rip), BSWAP
movups (%rdi), DATA movups (%rdi), DATA
movups (%rcx), SHASH movups (%rcx), SHASH
pshufb BSWAP, DATA pshufb BSWAP, DATA