iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

crypto: arm64/crct10dif - remove dead code

Browse Source 
Remove some code that is no longer called now that we make sure never
to invoke the SIMD routine with less than 16 bytes of input.

Reviewed-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ard Biesheuvel 2019-01-27 10:16:55 +01:00 committed by Herbert Xu
parent c03f3cb40b
commit 1b2ca568ca
1 changed files with 0 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/arm64/crypto/crct10dif-ce-core.S
View File

@ -497,7 +497,6 @@ CPU_LE( ext v7.16b, v7.16b, v7.16b, #8 )
cmp arg3, #16 cmp arg3, #16
b.eq .L_128_done_\@ // exactly 16 left b.eq .L_128_done_\@ // exactly 16 left
b.lt .L_less_than_16_left_\@
ldr_l q10, rk1, x8 // rk1 and rk2 in xmm10 ldr_l q10, rk1, x8 // rk1 and rk2 in xmm10
__pmull_pre_\p v10 __pmull_pre_\p v10
@ -509,16 +508,6 @@ CPU_LE( ext v7.16b, v7.16b, v7.16b, #8 )
add arg3, arg3, #16 add arg3, arg3, #16
b .L_get_last_two_regs_\@ b .L_get_last_two_regs_\@
.L_less_than_16_left_\@:
// shl r9, 4
adr_l x0, tbl_shf_table + 16
sub x0, x0, arg3
ld1 {v0.16b}, [x0]
movi v9.16b, #0x80
eor v0.16b, v0.16b, v9.16b
tbl v7.16b, {v7.16b}, v0.16b
b .L_128_done_\@
.endm .endm
ENTRY(crc_t10dif_pmull_p8) ENTRY(crc_t10dif_pmull_p8)