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-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_pack.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_pack.c b/src/gallium/auxiliary/gallivm/lp_bld_pack.c
index f46c080f687..9eb9ab0261f 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_pack.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_pack.c
@@ -129,7 +129,8 @@ lp_build_const_unpack_shuffle_half(struct gallivm_state *gallivm,
}
/**
- * Build shuffle vectors that match PACKxx instructions.
+ * Build shuffle vectors that match PACKxx (SSE) instructions or
+ * VPERM (Altivec).
*/
static LLVMValueRef
lp_build_const_pack_shuffle(struct gallivm_state *gallivm, unsigned n)
@@ -140,7 +141,11 @@ lp_build_const_pack_shuffle(struct gallivm_state *gallivm, unsigned n)
assert(n <= LP_MAX_VECTOR_LENGTH);
for(i = 0; i < n; ++i)
+#ifdef PIPE_ARCH_LITTLE_ENDIAN
elems[i] = lp_build_const_int32(gallivm, 2*i);
+#else
+ elems[i] = lp_build_const_int32(gallivm, 2*i+1);
+#endif
return LLVMConstVector(elems, n);
}