diff options
Diffstat (limited to 'src/gallium/auxiliary/gallivm/lp_bld_logic.c')
-rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_logic.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_logic.c b/src/gallium/auxiliary/gallivm/lp_bld_logic.c index fa65895367..f3df3dd138 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_logic.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_logic.c @@ -74,13 +74,11 @@ lp_build_compare(LLVMBuilderRef builder, LLVMValueRef a, LLVMValueRef b) { - LLVMTypeRef vec_type = lp_build_vec_type(type); LLVMTypeRef int_vec_type = lp_build_int_vec_type(type); LLVMValueRef zeros = LLVMConstNull(int_vec_type); LLVMValueRef ones = LLVMConstAllOnes(int_vec_type); LLVMValueRef cond; LLVMValueRef res; - unsigned i; assert(func >= PIPE_FUNC_NEVER); assert(func <= PIPE_FUNC_ALWAYS); @@ -94,11 +92,12 @@ lp_build_compare(LLVMBuilderRef builder, /* XXX: It is not clear if we should use the ordered or unordered operators */ -#if !defined(HAVE_LLVM) || HAVE_LLVM < 0x0207 +#if HAVE_LLVM < 0x0207 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) if(type.width * type.length == 128) { if(type.floating && util_cpu_caps.has_sse) { /* float[4] comparison */ + LLVMTypeRef vec_type = lp_build_vec_type(type); LLVMValueRef args[3]; unsigned cc; boolean swap; @@ -168,6 +167,7 @@ lp_build_compare(LLVMBuilderRef builder, const char *pcmpgt; LLVMValueRef args[2]; LLVMValueRef res; + LLVMTypeRef vec_type = lp_build_vec_type(type); switch (type.width) { case 8: @@ -259,11 +259,15 @@ lp_build_compare(LLVMBuilderRef builder, cond = LLVMBuildFCmp(builder, op, a, b, ""); res = LLVMBuildSExt(builder, cond, int_vec_type, ""); #else - res = LLVMGetUndef(int_vec_type); if (type.length == 1) { - res = LLVMBuildFCmp(builder, op, a, b, ""); + cond = LLVMBuildFCmp(builder, op, a, b, ""); + res = LLVMBuildSExt(builder, cond, int_vec_type, ""); } else { + unsigned i; + + res = LLVMGetUndef(int_vec_type); + debug_printf("%s: warning: using slow element-wise float" " vector comparison\n", __FUNCTION__); for (i = 0; i < type.length; ++i) { @@ -311,11 +315,15 @@ lp_build_compare(LLVMBuilderRef builder, cond = LLVMBuildICmp(builder, op, a, b, ""); res = LLVMBuildSExt(builder, cond, int_vec_type, ""); #else - res = LLVMGetUndef(int_vec_type); if (type.length == 1) { - res = LLVMBuildICmp(builder, op, a, b, ""); + cond = LLVMBuildICmp(builder, op, a, b, ""); + res = LLVMBuildSExt(builder, cond, int_vec_type, ""); } else { + unsigned i; + + res = LLVMGetUndef(int_vec_type); + debug_printf("%s: warning: using slow element-wise int" " vector comparison\n", __FUNCTION__); @@ -357,6 +365,8 @@ lp_build_cmp(struct lp_build_context *bld, /** * Return mask ? a : b; + * + * mask is a bitwise mask, composed of 0 or ~0 for each element. */ LLVMValueRef lp_build_select(struct lp_build_context *bld, @@ -371,6 +381,7 @@ lp_build_select(struct lp_build_context *bld, return a; if (type.length == 1) { + mask = LLVMBuildTrunc(bld->builder, mask, LLVMInt1Type(), ""); res = LLVMBuildSelect(bld->builder, mask, a, b, ""); } else { |