From: Apostolos Tapsas <apostolos@vm01.debian11>
Date: Wed, 24 Nov 2021 11:18:18 +0000 (+0000)
Subject: found and solved very hard to track bug of intrinsic function palignr, that manifeste... 
X-Git-Tag: vectorscan/5.4.6^2~5^2~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e13bfec734ac74642ac46cfcba486c66149e8424;p=thirdparty%2Fvectorscan.git

found and solved very hard to track bug of intrinsic function palignr, that manifested only in Release builds and not Debug builds in a particular number of tests
---

diff --git a/src/util/arch/ppc64el/simd_utils.h b/src/util/arch/ppc64el/simd_utils.h
index c47c4585..a932682b 100644
--- a/src/util/arch/ppc64el/simd_utils.h
+++ b/src/util/arch/ppc64el/simd_utils.h
@@ -381,7 +381,7 @@ m128 palignr_imm(m128 r, m128 l, int offset) {
 static really_really_inline
 m128 palignr(m128 r, m128 l, int offset) {
 #if defined(HS_OPTIMIZE)
-    return (m128)vec_sld((int8x16_t)l, (int8x16_t)r, offset);
+    return palignr_imm(r, l, offset);
 #else
     return palignr_imm(r, l, offset);
 #endif