From: Niels Möller <nisse@lysator.liu.se>
Date: Sun, 17 Mar 2024 11:59:50 +0000 (+0100)
Subject: Use srdi rather than divdu.
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=0c0e2b18a6f0dc2da609821d2978ed876a60f701;p=thirdparty%2Fnettle.git

Use srdi rather than divdu.
---

diff --git a/powerpc64/p8/gcm-aes-encrypt.asm b/powerpc64/p8/gcm-aes-encrypt.asm
index 5d6cd5bd..05896a09 100644
--- a/powerpc64/p8/gcm-aes-encrypt.asm
+++ b/powerpc64/p8/gcm-aes-encrypt.asm
@@ -98,8 +98,8 @@ define(`LASTCNT', `v29')
 
 define(`FUNC_ALIGN', `5')
 PROLOGUE(_nettle_gcm_aes_encrypt)
-    cmpdi SLEN, 128
-    blt No_encrypt_out
+    srdi. LOOP, SLEN, 7		C loop n 8 blocks
+    beq No_encrypt_out
 
     mflr 0
     std 0,16(1)
@@ -168,8 +168,6 @@ IF_LE(`
     addi RK, HT, 48
     lxvb16x VSR(S0), 0, HT		C Load 'CTR'
 
-    li r11, 128
-    divdu LOOP, SLEN, r11		C loop n 8 blocks
     sldi SLEN, LOOP, 7
 
     addi LOOP, LOOP, -1