From: Niels Möller <nisse@lysator.liu.se>
Date: Sun, 17 Mar 2024 11:43:42 +0000 (+0100)
Subject: Eliminate use of r12 for loading state.
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=bcd62ae1cada4e1ad623bfa52f6dcb27be080da9;p=thirdparty%2Fnettle.git

Eliminate use of r12 for loading state.
---

diff --git a/powerpc64/p8/gcm-aes-encrypt.asm b/powerpc64/p8/gcm-aes-encrypt.asm
index e6c4ba6c..5d6cd5bd 100644
--- a/powerpc64/p8/gcm-aes-encrypt.asm
+++ b/powerpc64/p8/gcm-aes-encrypt.asm
@@ -136,8 +136,6 @@ IF_BE(`vspltisb    LE_TEMP,0x03')
 
     xxmrghd        VSR(POLY_L),VSR(ZERO),VSR(POLY)
 
-    addi r12, HT, 4096
-
     C load table elements
     li             r9,1*16
     li             r10,2*16
@@ -167,7 +165,7 @@ IF_LE(`
     vperm          D,D,D,LE_MASK
 ')
 
-    addi RK, r12, 64
+    addi RK, HT, 48
     lxvb16x VSR(S0), 0, HT		C Load 'CTR'
 
     li r11, 128