From 7a6d71c5275eef2206c7e946fb936152c83c8d29 Mon Sep 17 00:00:00 2001 From: Andy Polyakov Date: Thu, 15 Nov 2018 15:47:46 +0100 Subject: [PATCH] sha/asm/sha512p8-ppc.pl: optimize epilogue. Reviewed-by: Tim Hudson Reviewed-by: Richard Levitte (Merged from https://github.com/openssl/openssl/pull/7643) (cherry picked from commit 6b956fe77b8aeb899ef7bdfa147a00bda51b804a) --- crypto/sha/asm/sha512p8-ppc.pl | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/crypto/sha/asm/sha512p8-ppc.pl b/crypto/sha/asm/sha512p8-ppc.pl index d7ad17b29f..0d4fdd292c 100755 --- a/crypto/sha/asm/sha512p8-ppc.pl +++ b/crypto/sha/asm/sha512p8-ppc.pl @@ -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) -- 2.25.1