Commit 7a6d71c5 authored by Andy Polyakov's avatar Andy Polyakov Committed by Richard Levitte
Browse files

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



Reviewed-by: default avatarTim Hudson <tjh@openssl.org>
Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7643)

(cherry picked from commit 6b956fe77b8aeb899ef7bdfa147a00bda51b804a)
parent 0e2ad959

crypto/sha/asm/sha512p8-ppc.pl

+9 −16
Original line number Diff line number Diff line
@@ -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)