Revert "ppc assembly pack: always increment CTR IV as quadword"

The 32 bit counter behaviour is necessary and was intentional.

This reverts commit e9f148c9356b18995298f37bafbf1836a3fce078.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8958)

diff --git a/crypto/aes/asm/aesp8-ppc.pl b/crypto/aes/asm/aesp8-ppc.pl
index 30ccecf7afce6c1263090450bf518753d3d09c81..44056e31aa19228c1848c61c35dc606e652df22b 100755 (executable)
--- a/crypto/aes/asm/aesp8-ppc.pl
+++ b/crypto/aes/asm/aesp8-ppc.pl
@@ -1331,7 +1331,7 @@ Loop_ctr32_enc:
        addi            $idx,$idx,16
        bdnz            Loop_ctr32_enc
 
        addi            $idx,$idx,16
        bdnz            Loop_ctr32_enc
 

-       vadduqm         $ivec,$ivec,$one
+       vadduwm         $ivec,$ivec,$one

         vmr            $dat,$inptail
         lvx            $inptail,0,$inp
         addi           $inp,$inp,16
         vmr            $dat,$inptail
         lvx            $inptail,0,$inp
         addi           $inp,$inp,16