diff --git a/src/util/arch/ppc64el/simd_utils.h b/src/util/arch/ppc64el/simd_utils.h
index ea1766b2..119d0946 100644
--- a/src/util/arch/ppc64el/simd_utils.h
+++ b/src/util/arch/ppc64el/simd_utils.h
@@ -152,7 +152,7 @@ static really_inline u32 movemask128(m128 a) {
    static uint8x16_t perm = { 16, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
    uint8x16_t bitmask = vec_gb((uint8x16_t) a);
    bitmask = (uint8x16_t) vec_perm(vec_splat_u8(0), bitmask, perm);
-   u32 movemask;
+   u32 ALIGN_ATTR(16) movemask;
    vec_ste((uint32x4_t) bitmask, 0, &movemask);
    return movemask;
 }
@@ -285,27 +285,27 @@ m128 loadbytes128(const void *ptr, unsigned int n) {
     return a;
 }
 
-#define CASE_ALIGN_VECTORS(a, b, offset)  case offset: return (m128)vec_sld((int8x16_t)(b), (int8x16_t)(a), (16 - offset)); break;
+#define CASE_ALIGN_VECTORS(a, b, offset)  case offset: return (m128)vec_sld((int8x16_t)(a), (int8x16_t)(b), (16 - offset)); break;
 
 static really_really_inline
 m128 palignr_imm(m128 r, m128 l, int offset) {
     switch (offset) {
     case 0: return l; break;
-    CASE_ALIGN_VECTORS(l, r, 1);
-    CASE_ALIGN_VECTORS(l, r, 2);
-    CASE_ALIGN_VECTORS(l, r, 3);
-    CASE_ALIGN_VECTORS(l, r, 4);
-    CASE_ALIGN_VECTORS(l, r, 5);
-    CASE_ALIGN_VECTORS(l, r, 6);
-    CASE_ALIGN_VECTORS(l, r, 7);
-    CASE_ALIGN_VECTORS(l, r, 8);
-    CASE_ALIGN_VECTORS(l, r, 9);
-    CASE_ALIGN_VECTORS(l, r, 10);
-    CASE_ALIGN_VECTORS(l, r, 11);
-    CASE_ALIGN_VECTORS(l, r, 12);
-    CASE_ALIGN_VECTORS(l, r, 13);
-    CASE_ALIGN_VECTORS(l, r, 14);
-    CASE_ALIGN_VECTORS(l, r, 15);
+    CASE_ALIGN_VECTORS(r, l, 1);
+    CASE_ALIGN_VECTORS(r, l, 2);
+    CASE_ALIGN_VECTORS(r, l, 3);
+    CASE_ALIGN_VECTORS(r, l, 4);
+    CASE_ALIGN_VECTORS(r, l, 5);
+    CASE_ALIGN_VECTORS(r, l, 6);
+    CASE_ALIGN_VECTORS(r, l, 7);
+    CASE_ALIGN_VECTORS(r, l, 8);
+    CASE_ALIGN_VECTORS(r, l, 9);
+    CASE_ALIGN_VECTORS(r, l, 10);
+    CASE_ALIGN_VECTORS(r, l, 11);
+    CASE_ALIGN_VECTORS(r, l, 12);
+    CASE_ALIGN_VECTORS(r, l, 13);
+    CASE_ALIGN_VECTORS(r, l, 14);
+    CASE_ALIGN_VECTORS(r, l, 15);
     case 16: return r; break;
     default: return zeroes128(); break;
     } 
diff --git a/src/util/supervector/arch/ppc64el/impl.cpp b/src/util/supervector/arch/ppc64el/impl.cpp
index 295cd128..494bcbd6 100644
--- a/src/util/supervector/arch/ppc64el/impl.cpp
+++ b/src/util/supervector/arch/ppc64el/impl.cpp
@@ -269,10 +269,10 @@ really_inline SuperVector<16> SuperVector<16>::eq(SuperVector<16> const &b) cons
 template <>
 really_inline typename SuperVector<16>::comparemask_type
 SuperVector<16>::comparemask(void) const {
-    uint8x16_t bitmask = vec_gb( u.u8x16[0]);
     static uint8x16_t perm = { 16, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+    uint8x16_t bitmask = vec_gb(u.u8x16[0]);
     bitmask = (uint8x16_t) vec_perm(vec_splat_u8(0), bitmask, perm);
-    u32 movemask;
+    u32 ALIGN_ATTR(16) movemask;
     vec_ste((uint32x4_t) bitmask, 0, &movemask);
     return movemask;
 }