From 92808945c19b0301b0594ad612174d3f41915c1b Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Sun, 20 Jan 2019 19:34:09 -0500
Subject: [PATCH] Fix TestAltivecOps on AIX

---
 ppc_simd.h   |  8 ++++----
 validat1.cpp | 22 +++++++++++++---------
 2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/ppc_simd.h b/ppc_simd.h
index bae862cfe..9f818039d 100644
--- a/ppc_simd.h
+++ b/ppc_simd.h
@@ -1362,9 +1362,9 @@ inline T VecSwapWords(const T vec)
 template <class T>
 inline T VecGetLow(const T val)
 {
-#if (CRYPTOPP_BIG_ENDIAN)
+#if (CRYPTOPP_BIG_ENDIAN) && (_ARCH_PWR8)
     const T zero = {0};
-    return VecMergeLo(zero, val);
+    return (T)VecMergeLo((uint64x2_p)zero, (uint64x2_p)val);
 #else
     return VecShiftRightOctet<8>(VecShiftLeftOctet<8>(val));
 #endif
@@ -1384,9 +1384,9 @@ inline T VecGetLow(const T val)
 template <class T>
 inline T VecGetHigh(const T val)
 {
-#if (CRYPTOPP_BIG_ENDIAN)
+#if (CRYPTOPP_BIG_ENDIAN) && (_ARCH_PWR8)
     const T zero = {0};
-    return VecMergeHi(zero, val);
+    return (T)VecMergeHi((uint64x2_p)zero, (uint64x2_p)val);
 #else
     return VecShiftRightOctet<8>(val);
 #endif
diff --git a/validat1.cpp b/validat1.cpp
index 39392b945..db5238802 100644
--- a/validat1.cpp
+++ b/validat1.cpp
@@ -1085,9 +1085,9 @@ bool TestAltivecOps()
 
     CRYPTOPP_ALIGN_DATA(16)
     byte dest[20], src[20] = {23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4};
-    const byte st1[16] ={22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7};
-    const byte st2[16] ={21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6};
-    const byte st3[16] ={20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5};
+    const byte st1[16] = {22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7};
+    const byte st2[16] = {21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6};
+    const byte st3[16] = {20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5};
 
     VecStore(VecLoad(src), dest);
     pass1 = (0 == std::memcmp(src, dest, 16)) && pass1;
@@ -1187,12 +1187,16 @@ bool TestAltivecOps()
     //********** Extraction **********//
     bool pass3=true;
 
-    uint8x16_p ex1 = {0x1f,0x1e,0x1d,0x1c, 0x1b,0x1a,0x19,0x18,
-                      0x17,0x16,0x15,0x14, 0x13,0x12,0x11,0x10};
-    uint8x16_p ex2 = {0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
-                      0x17,0x16,0x15,0x14, 0x13,0x12,0x11,0x10};
-    uint8x16_p ex3 = {0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
-                      0x1f,0x1e,0x1d,0x1c, 0x1b,0x1a,0x19,0x18};
+    const byte bex1[] = {0x1f,0x1e,0x1d,0x1c, 0x1b,0x1a,0x19,0x18,
+                         0x17,0x16,0x15,0x14, 0x13,0x12,0x11,0x10};
+    const byte bex2[] = {0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+                         0x17,0x16,0x15,0x14, 0x13,0x12,0x11,0x10};
+    const byte bex3[] = {0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+                         0x1f,0x1e,0x1d,0x1c, 0x1b,0x1a,0x19,0x18};
+
+    const uint8x16_p ex1 = (uint8x16_p)VecLoad(bex1);
+    const uint8x16_p ex2 = (uint8x16_p)VecLoad(bex2);
+    const uint8x16_p ex3 = (uint8x16_p)VecLoad(bex3);
 
     pass3 = VecEqual(ex2, VecGetLow(ex1)) && pass3;
     CRYPTOPP_ASSERT(pass3);