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sha/asm/sha512p8-ppc.pl: optimize epilogue.

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Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7643)
This commit is contained in:
Andy Polyakov 2018-11-15 15:47:46 +01:00 committed by Richard Levitte
parent 79d7fb990c
commit 6b956fe77b
1 changed files with 9 additions and 16 deletions
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25
crypto/sha/asm/sha512p8-ppc.pl
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@ -286,24 +286,17 @@ $code.=<<___ if ($SZ==8);
stvx_u $G,$x30,$ctx
___
$code.=<<___;
li r10,`$LOCALS+15`
addi $offload,$sp,`$LOCALS+15`
mtlr $lrsave
li r11,`$LOCALS+31`
mtspr 256,$vrsave
lvx v24,r10,$sp # ABI says so
addi r10,r10,32
lvx v25,r11,$sp
addi r11,r11,32
lvx v26,r10,$sp
addi r10,r10,32
lvx v27,r11,$sp
addi r11,r11,32
lvx v28,r10,$sp
addi r10,r10,32
lvx v29,r11,$sp
addi r11,r11,32
lvx v30,r10,$sp
lvx v31,r11,$sp
lvx v24,$x00,$offload # ABI says so
lvx v25,$x10,$offload
lvx v26,$x20,$offload
lvx v27,$x30,$offload
lvx v28,$x40,$offload
lvx v29,$x50,$offload
lvx v30,$x60,$offload
lvx v31,$x70,$offload
$POP r26,`$FRAME-6*$SIZE_T`($sp)
$POP r27,`$FRAME-5*$SIZE_T`($sp)
$POP r28,`$FRAME-4*$SIZE_T`($sp)