Module: Mesa Branch: master Commit: 86902b513469635bb0bc027db0500e2f4d6c498d URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=86902b513469635bb0bc027db0500e2f4d6c498d
Author: Adhemerval Zanella <azane...@linux.vnet.ibm.com> Date: Thu Nov 22 13:42:45 2012 -0600 gallivm: Fix vector constant for shuffle This patch fixes the vector constant generation used for vector shuffle for big-endian machines. Reviewed-by: Roland Scheidegger <srol...@vmware.com> Reviewed-by: Jose Fonseca <jfons...@vmware.com> --- src/gallium/auxiliary/gallivm/lp_bld_pack.c | 7 ++++++- 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 f46c080..9eb9ab0 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); } _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit