diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_arit.c | 293 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_arit.h | 30 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_logic.c | 180 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_logic.h | 6 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c | 12 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 13 |
6 files changed, 482 insertions, 52 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c index 74b4e9fce29..d2d91f50da9 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c @@ -73,11 +73,14 @@ /** * Generate min(a, b) * No checks for special case values of a or b = 1 or 0 are done. + * NaN's are handled according to the behavior specified by the + * nan_behavior argument. */ static LLVMValueRef lp_build_min_simple(struct lp_build_context *bld, LLVMValueRef a, - LLVMValueRef b) + LLVMValueRef b, + enum gallivm_nan_behavior nan_behavior) { const struct lp_type type = bld->type; const char *intrinsic = NULL; @@ -120,6 +123,8 @@ lp_build_min_simple(struct lp_build_context *bld, } } else if (type.floating && util_cpu_caps.has_altivec) { + debug_printf("%s: altivec doesn't support nan behavior modes\n", + __FUNCTION__); if (type.width == 32 && type.length == 4) { intrinsic = "llvm.ppc.altivec.vminfp"; intr_size = 128; @@ -131,7 +136,7 @@ lp_build_min_simple(struct lp_build_context *bld, (gallivm_debug & GALLIVM_DEBUG_PERF)) { debug_printf("%s: inefficient code, bogus shuffle due to packing\n", __FUNCTION__); - } + } if (type.width == 8 && !type.sign) { intrinsic = "llvm.x86.sse2.pminu.b"; } @@ -147,53 +152,111 @@ lp_build_min_simple(struct lp_build_context *bld, } if (type.width == 32 && !type.sign) { intrinsic = "llvm.x86.sse41.pminud"; - } + } if (type.width == 32 && type.sign) { intrinsic = "llvm.x86.sse41.pminsd"; } } } else if (util_cpu_caps.has_altivec) { - intr_size = 128; - if (type.width == 8) { - if (!type.sign) { - intrinsic = "llvm.ppc.altivec.vminub"; - } else { - intrinsic = "llvm.ppc.altivec.vminsb"; - } - } else if (type.width == 16) { - if (!type.sign) { - intrinsic = "llvm.ppc.altivec.vminuh"; - } else { - intrinsic = "llvm.ppc.altivec.vminsh"; - } - } else if (type.width == 32) { - if (!type.sign) { - intrinsic = "llvm.ppc.altivec.vminuw"; - } else { - intrinsic = "llvm.ppc.altivec.vminsw"; - } - } + intr_size = 128; + debug_printf("%s: altivec doesn't support nan behavior modes\n", + __FUNCTION__); + if (type.width == 8) { + if (!type.sign) { + intrinsic = "llvm.ppc.altivec.vminub"; + } else { + intrinsic = "llvm.ppc.altivec.vminsb"; + } + } else if (type.width == 16) { + if (!type.sign) { + intrinsic = "llvm.ppc.altivec.vminuh"; + } else { + intrinsic = "llvm.ppc.altivec.vminsh"; + } + } else if (type.width == 32) { + if (!type.sign) { + intrinsic = "llvm.ppc.altivec.vminuw"; + } else { + intrinsic = "llvm.ppc.altivec.vminsw"; + } + } } if(intrinsic) { - return lp_build_intrinsic_binary_anylength(bld->gallivm, intrinsic, - type, - intr_size, a, b); + /* We need to handle nan's for floating point numbers. If one of the + * inputs is nan the other should be returned (required by both D3D10+ + * and OpenCL). + * The sse intrinsics return the second operator in case of nan by + * default so we need to special code to handle those. + */ + if (util_cpu_caps.has_sse && type.floating && + nan_behavior != GALLIVM_NAN_BEHAVIOR_UNDEFINED && + nan_behavior != GALLIVM_NAN_RETURN_SECOND) { + LLVMValueRef isnan, max; + max = lp_build_intrinsic_binary_anylength(bld->gallivm, intrinsic, + type, + intr_size, a, b); + if (nan_behavior == GALLIVM_NAN_RETURN_OTHER) { + isnan = lp_build_isnan(bld, b); + return lp_build_select(bld, isnan, a, max); + } else { + assert(nan_behavior == GALLIVM_NAN_RETURN_NAN); + isnan = lp_build_isnan(bld, a); + return lp_build_select(bld, isnan, a, max); + } + } else { + return lp_build_intrinsic_binary_anylength(bld->gallivm, intrinsic, + type, + intr_size, a, b); + } } - cond = lp_build_cmp(bld, PIPE_FUNC_LESS, a, b); - return lp_build_select(bld, cond, a, b); + if (type.floating) { + switch (nan_behavior) { + case GALLIVM_NAN_RETURN_NAN: { + LLVMValueRef isnan = lp_build_isnan(bld, b); + cond = lp_build_cmp(bld, PIPE_FUNC_LESS, a, b); + cond = LLVMBuildXor(bld->gallivm->builder, cond, isnan, ""); + return lp_build_select(bld, cond, a, b); + } + break; + case GALLIVM_NAN_RETURN_OTHER: { + LLVMValueRef isnan = lp_build_isnan(bld, a); + cond = lp_build_cmp(bld, PIPE_FUNC_LESS, a, b); + cond = LLVMBuildXor(bld->gallivm->builder, cond, isnan, ""); + return lp_build_select(bld, cond, a, b); + } + break; + case GALLIVM_NAN_RETURN_SECOND: + cond = lp_build_cmp_ordered(bld, PIPE_FUNC_LESS, a, b); + return lp_build_select(bld, cond, a, b); + case GALLIVM_NAN_BEHAVIOR_UNDEFINED: + cond = lp_build_cmp(bld, PIPE_FUNC_LESS, a, b); + return lp_build_select(bld, cond, a, b); + break; + default: + assert(0); + cond = lp_build_cmp(bld, PIPE_FUNC_LESS, a, b); + return lp_build_select(bld, cond, a, b); + } + } else { + cond = lp_build_cmp(bld, PIPE_FUNC_LESS, a, b); + return lp_build_select(bld, cond, a, b); + } } /** * Generate max(a, b) * No checks for special case values of a or b = 1 or 0 are done. + * NaN's are handled according to the behavior specified by the + * nan_behavior argument. */ static LLVMValueRef lp_build_max_simple(struct lp_build_context *bld, LLVMValueRef a, - LLVMValueRef b) + LLVMValueRef b, + enum gallivm_nan_behavior nan_behavior) { const struct lp_type type = bld->type; const char *intrinsic = NULL; @@ -236,6 +299,8 @@ lp_build_max_simple(struct lp_build_context *bld, } } else if (type.floating && util_cpu_caps.has_altivec) { + debug_printf("%s: altivec doesn't support nan behavior modes\n", + __FUNCTION__); if (type.width == 32 || type.length == 4) { intrinsic = "llvm.ppc.altivec.vmaxfp"; intr_size = 128; @@ -271,6 +336,8 @@ lp_build_max_simple(struct lp_build_context *bld, } } else if (util_cpu_caps.has_altivec) { intr_size = 128; + debug_printf("%s: altivec doesn't support nan behavior modes\n", + __FUNCTION__); if (type.width == 8) { if (!type.sign) { intrinsic = "llvm.ppc.altivec.vmaxub"; @@ -293,13 +360,60 @@ lp_build_max_simple(struct lp_build_context *bld, } if(intrinsic) { - return lp_build_intrinsic_binary_anylength(bld->gallivm, intrinsic, - type, - intr_size, a, b); + if (util_cpu_caps.has_sse && type.floating && + nan_behavior != GALLIVM_NAN_BEHAVIOR_UNDEFINED && + nan_behavior != GALLIVM_NAN_RETURN_SECOND) { + LLVMValueRef isnan, min; + min = lp_build_intrinsic_binary_anylength(bld->gallivm, intrinsic, + type, + intr_size, a, b); + if (nan_behavior == GALLIVM_NAN_RETURN_OTHER) { + isnan = lp_build_isnan(bld, b); + return lp_build_select(bld, isnan, a, min); + } else { + assert(nan_behavior == GALLIVM_NAN_RETURN_NAN); + isnan = lp_build_isnan(bld, a); + return lp_build_select(bld, isnan, a, min); + } + } else { + return lp_build_intrinsic_binary_anylength(bld->gallivm, intrinsic, + type, + intr_size, a, b); + } } - cond = lp_build_cmp(bld, PIPE_FUNC_GREATER, a, b); - return lp_build_select(bld, cond, a, b); + if (type.floating) { + switch (nan_behavior) { + case GALLIVM_NAN_RETURN_NAN: { + LLVMValueRef isnan = lp_build_isnan(bld, b); + cond = lp_build_cmp(bld, PIPE_FUNC_GREATER, a, b); + cond = LLVMBuildXor(bld->gallivm->builder, cond, isnan, ""); + return lp_build_select(bld, cond, a, b); + } + break; + case GALLIVM_NAN_RETURN_OTHER: { + LLVMValueRef isnan = lp_build_isnan(bld, a); + cond = lp_build_cmp(bld, PIPE_FUNC_GREATER, a, b); + cond = LLVMBuildXor(bld->gallivm->builder, cond, isnan, ""); + return lp_build_select(bld, cond, a, b); + } + break; + case GALLIVM_NAN_RETURN_SECOND: + cond = lp_build_cmp_ordered(bld, PIPE_FUNC_GREATER, a, b); + return lp_build_select(bld, cond, a, b); + case GALLIVM_NAN_BEHAVIOR_UNDEFINED: + cond = lp_build_cmp(bld, PIPE_FUNC_GREATER, a, b); + return lp_build_select(bld, cond, a, b); + break; + default: + assert(0); + cond = lp_build_cmp(bld, PIPE_FUNC_GREATER, a, b); + return lp_build_select(bld, cond, a, b); + } + } else { + cond = lp_build_cmp(bld, PIPE_FUNC_GREATER, a, b); + return lp_build_select(bld, cond, a, b); + } } @@ -389,7 +503,7 @@ lp_build_add(struct lp_build_context *bld, /* TODO: handle signed case */ if(type.norm && !type.floating && !type.fixed && !type.sign) - a = lp_build_min_simple(bld, a, lp_build_comp(bld, b)); + a = lp_build_min_simple(bld, a, lp_build_comp(bld, b), GALLIVM_NAN_BEHAVIOR_UNDEFINED); if(LLVMIsConstant(a) && LLVMIsConstant(b)) if (type.floating) @@ -404,7 +518,7 @@ lp_build_add(struct lp_build_context *bld, /* clamp to ceiling of 1.0 */ if(bld->type.norm && (bld->type.floating || bld->type.fixed)) - res = lp_build_min_simple(bld, res, bld->one); + res = lp_build_min_simple(bld, res, bld->one, GALLIVM_NAN_BEHAVIOR_UNDEFINED); /* XXX clamp to floor of -1 or 0??? */ @@ -670,7 +784,7 @@ lp_build_sub(struct lp_build_context *bld, /* TODO: handle signed case */ if(type.norm && !type.floating && !type.fixed && !type.sign) - a = lp_build_max_simple(bld, a, b); + a = lp_build_max_simple(bld, a, b, GALLIVM_NAN_BEHAVIOR_UNDEFINED); if(LLVMIsConstant(a) && LLVMIsConstant(b)) if (type.floating) @@ -684,7 +798,7 @@ lp_build_sub(struct lp_build_context *bld, res = LLVMBuildSub(builder, a, b, ""); if(bld->type.norm && (bld->type.floating || bld->type.fixed)) - res = lp_build_max_simple(bld, res, bld->zero); + res = lp_build_max_simple(bld, res, bld->zero, GALLIVM_NAN_BEHAVIOR_UNDEFINED); return res; } @@ -1144,7 +1258,7 @@ lp_build_lerp_3d(struct lp_build_context *bld, /** * Generate min(a, b) - * Do checks for special cases. + * Do checks for special cases but not for nans. */ LLVMValueRef lp_build_min(struct lp_build_context *bld, @@ -1172,13 +1286,48 @@ lp_build_min(struct lp_build_context *bld, return a; } - return lp_build_min_simple(bld, a, b); + return lp_build_min_simple(bld, a, b, GALLIVM_NAN_BEHAVIOR_UNDEFINED); } /** + * Generate min(a, b) + * NaN's are handled according to the behavior specified by the + * nan_behavior argument. + */ +LLVMValueRef +lp_build_min_ext(struct lp_build_context *bld, + LLVMValueRef a, + LLVMValueRef b, + enum gallivm_nan_behavior nan_behavior) +{ + assert(lp_check_value(bld->type, a)); + assert(lp_check_value(bld->type, b)); + + if(a == bld->undef || b == bld->undef) + return bld->undef; + + if(a == b) + return a; + + if (bld->type.norm) { + if (!bld->type.sign) { + if (a == bld->zero || b == bld->zero) { + return bld->zero; + } + } + if(a == bld->one) + return b; + if(b == bld->one) + return a; + } + + return lp_build_min_simple(bld, a, b, nan_behavior); +} + +/** * Generate max(a, b) - * Do checks for special cases. + * Do checks for special cases, but NaN behavior is undefined. */ LLVMValueRef lp_build_max(struct lp_build_context *bld, @@ -1207,11 +1356,48 @@ lp_build_max(struct lp_build_context *bld, } } - return lp_build_max_simple(bld, a, b); + return lp_build_max_simple(bld, a, b, GALLIVM_NAN_BEHAVIOR_UNDEFINED); } /** + * Generate max(a, b) + * Checks for special cases. + * NaN's are handled according to the behavior specified by the + * nan_behavior argument. + */ +LLVMValueRef +lp_build_max_ext(struct lp_build_context *bld, + LLVMValueRef a, + LLVMValueRef b, + enum gallivm_nan_behavior nan_behavior) +{ + assert(lp_check_value(bld->type, a)); + assert(lp_check_value(bld->type, b)); + + if(a == bld->undef || b == bld->undef) + return bld->undef; + + if(a == b) + return a; + + if(bld->type.norm) { + if(a == bld->one || b == bld->one) + return bld->one; + if (!bld->type.sign) { + if (a == bld->zero) { + return b; + } + if (b == bld->zero) { + return a; + } + } + } + + return lp_build_max_simple(bld, a, b, nan_behavior); +} + +/** * Generate clamp(a, min, max) * Do checks for special cases. */ @@ -3343,3 +3529,26 @@ lp_build_mod(struct lp_build_context *bld, res = LLVMBuildURem(builder, x, y, ""); return res; } + + +/* + * For floating inputs it creates and returns a mask + * which is all 1's for channels which are NaN. + * Channels inside x which are not NaN will be 0. + */ +LLVMValueRef +lp_build_isnan(struct lp_build_context *bld, + LLVMValueRef x) +{ + LLVMValueRef mask; + LLVMTypeRef int_vec_type = lp_build_int_vec_type(bld->gallivm, bld->type); + + assert(bld->type.floating); + assert(lp_check_value(bld->type, x)); + + mask = LLVMBuildFCmp(bld->gallivm->builder, LLVMRealOEQ, x, x, + "isnotnan"); + mask = LLVMBuildNot(bld->gallivm->builder, mask, ""); + mask = LLVMBuildSExt(bld->gallivm->builder, mask, int_vec_type, "isnan"); + return mask; +} diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.h b/src/gallium/auxiliary/gallivm/lp_bld_arit.h index 04e180c94fd..14b3a164faa 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_arit.h +++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.h @@ -131,6 +131,20 @@ lp_build_lerp_3d(struct lp_build_context *bld, LLVMValueRef v111, unsigned flags); +/** + * Specifies floating point NaN behavior. + */ +enum gallivm_nan_behavior { + /* Results are undefined with NaN. Results in fastest code */ + GALLIVM_NAN_BEHAVIOR_UNDEFINED, + /* If input is NaN, NaN is returned */ + GALLIVM_NAN_RETURN_NAN, + /* If one of the inputs is NaN, the other operand is returned */ + GALLIVM_NAN_RETURN_OTHER, + /* If one of the inputs is NaN, the second operand is returned. + * In min/max it will be as fast as undefined with sse opcodes */ + GALLIVM_NAN_RETURN_SECOND +}; LLVMValueRef lp_build_min(struct lp_build_context *bld, @@ -138,11 +152,23 @@ lp_build_min(struct lp_build_context *bld, LLVMValueRef b); LLVMValueRef +lp_build_min_ext(struct lp_build_context *bld, + LLVMValueRef a, + LLVMValueRef b, + enum gallivm_nan_behavior nan_behavior); + +LLVMValueRef lp_build_max(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b); LLVMValueRef +lp_build_max_ext(struct lp_build_context *bld, + LLVMValueRef a, + LLVMValueRef b, + enum gallivm_nan_behavior nan_behavior); + +LLVMValueRef lp_build_clamp(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef min, @@ -309,4 +335,8 @@ lp_build_mod(struct lp_build_context *bld, LLVMValueRef x, LLVMValueRef y); +LLVMValueRef +lp_build_isnan(struct lp_build_context *bld, + LLVMValueRef x); + #endif /* !LP_BLD_ARIT_H */ diff --git a/src/gallium/auxiliary/gallivm/lp_bld_logic.c b/src/gallium/auxiliary/gallivm/lp_bld_logic.c index 168bc262921..8b800cfde47 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_logic.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_logic.c @@ -241,8 +241,6 @@ lp_build_compare(struct gallivm_state *gallivm, #endif #endif /* HAVE_LLVM < 0x0207 */ - /* XXX: It is not clear if we should use the ordered or unordered operators */ - if(type.floating) { LLVMRealPredicate op; switch(func) { @@ -368,11 +366,189 @@ lp_build_compare(struct gallivm_state *gallivm, return res; } +/** + * Build code to compare two values 'a' and 'b' using the given func. + * \param func one of PIPE_FUNC_x + * If the operands are floating point numbers, the function will use + * ordered comparison which means that it will return true if both + * operands are not a NaN and the specified condition evaluates to true. + * The result values will be 0 for false or ~0 for true. + */ +LLVMValueRef +lp_build_cmp_ordered(struct lp_build_context *bld, + unsigned func, + LLVMValueRef a, + LLVMValueRef b) +{ + struct gallivm_state *gallivm = bld->gallivm; + const struct lp_type type = bld->type; + + + LLVMBuilderRef builder = gallivm->builder; + LLVMTypeRef int_vec_type = lp_build_int_vec_type(gallivm, type); + LLVMValueRef zeros = LLVMConstNull(int_vec_type); + LLVMValueRef ones = LLVMConstAllOnes(int_vec_type); + LLVMValueRef cond; + LLVMValueRef res; + + assert(func >= PIPE_FUNC_NEVER); + assert(func <= PIPE_FUNC_ALWAYS); + assert(lp_check_value(type, a)); + assert(lp_check_value(type, b)); + if(func == PIPE_FUNC_NEVER) + return zeros; + if(func == PIPE_FUNC_ALWAYS) + return ones; + +#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) + /* + * There are no unsigned integer comparison instructions in SSE. + */ + + if (!type.floating && !type.sign && + type.width * type.length == 128 && + util_cpu_caps.has_sse2 && + (func == PIPE_FUNC_LESS || + func == PIPE_FUNC_LEQUAL || + func == PIPE_FUNC_GREATER || + func == PIPE_FUNC_GEQUAL) && + (gallivm_debug & GALLIVM_DEBUG_PERF)) { + debug_printf("%s: inefficient <%u x i%u> unsigned comparison\n", + __FUNCTION__, type.length, type.width); + } +#endif + if(type.floating) { + LLVMRealPredicate op; + switch(func) { + case PIPE_FUNC_NEVER: + op = LLVMRealPredicateFalse; + break; + case PIPE_FUNC_ALWAYS: + op = LLVMRealPredicateTrue; + break; + case PIPE_FUNC_EQUAL: + op = LLVMRealOEQ; + break; + case PIPE_FUNC_NOTEQUAL: + op = LLVMRealONE; + break; + case PIPE_FUNC_LESS: + op = LLVMRealOLT; + break; + case PIPE_FUNC_LEQUAL: + op = LLVMRealOLE; + break; + case PIPE_FUNC_GREATER: + op = LLVMRealOGT; + break; + case PIPE_FUNC_GEQUAL: + op = LLVMRealOGE; + break; + default: + assert(0); + return lp_build_undef(gallivm, type); + } + +#if HAVE_LLVM >= 0x0207 + cond = LLVMBuildFCmp(builder, op, a, b, ""); + res = LLVMBuildSExt(builder, cond, int_vec_type, ""); +#else + if (type.length == 1) { + 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) { + LLVMValueRef index = lp_build_const_int32(gallivm, i); + cond = LLVMBuildFCmp(builder, op, + LLVMBuildExtractElement(builder, a, index, ""), + LLVMBuildExtractElement(builder, b, index, ""), + ""); + cond = LLVMBuildSelect(builder, cond, + LLVMConstExtractElement(ones, index), + LLVMConstExtractElement(zeros, index), + ""); + res = LLVMBuildInsertElement(builder, res, cond, index, ""); + } + } +#endif + } + else { + LLVMIntPredicate op; + switch(func) { + case PIPE_FUNC_EQUAL: + op = LLVMIntEQ; + break; + case PIPE_FUNC_NOTEQUAL: + op = LLVMIntNE; + break; + case PIPE_FUNC_LESS: + op = type.sign ? LLVMIntSLT : LLVMIntULT; + break; + case PIPE_FUNC_LEQUAL: + op = type.sign ? LLVMIntSLE : LLVMIntULE; + break; + case PIPE_FUNC_GREATER: + op = type.sign ? LLVMIntSGT : LLVMIntUGT; + break; + case PIPE_FUNC_GEQUAL: + op = type.sign ? LLVMIntSGE : LLVMIntUGE; + break; + default: + assert(0); + return lp_build_undef(gallivm, type); + } + +#if HAVE_LLVM >= 0x0207 + cond = LLVMBuildICmp(builder, op, a, b, ""); + res = LLVMBuildSExt(builder, cond, int_vec_type, ""); +#else + if (type.length == 1) { + cond = LLVMBuildICmp(builder, op, a, b, ""); + res = LLVMBuildSExt(builder, cond, int_vec_type, ""); + } + else { + unsigned i; + + res = LLVMGetUndef(int_vec_type); + + if (gallivm_debug & GALLIVM_DEBUG_PERF) { + debug_printf("%s: using slow element-wise int" + " vector comparison\n", __FUNCTION__); + } + + for(i = 0; i < type.length; ++i) { + LLVMValueRef index = lp_build_const_int32(gallivm, i); + cond = LLVMBuildICmp(builder, op, + LLVMBuildExtractElement(builder, a, index, ""), + LLVMBuildExtractElement(builder, b, index, ""), + ""); + cond = LLVMBuildSelect(builder, cond, + LLVMConstExtractElement(ones, index), + LLVMConstExtractElement(zeros, index), + ""); + res = LLVMBuildInsertElement(builder, res, cond, index, ""); + } + } +#endif + } + + return res; +} /** * Build code to compare two values 'a' and 'b' using the given func. * \param func one of PIPE_FUNC_x + * If the operands are floating point numbers, the function will use + * unordered comparison which means that it will return true if either + * operand is a NaN or the specified condition evaluates to true. * The result values will be 0 for false or ~0 for true. */ LLVMValueRef diff --git a/src/gallium/auxiliary/gallivm/lp_bld_logic.h b/src/gallium/auxiliary/gallivm/lp_bld_logic.h index f5304240a59..00fb0268dd6 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_logic.h +++ b/src/gallium/auxiliary/gallivm/lp_bld_logic.h @@ -64,6 +64,12 @@ lp_build_cmp(struct lp_build_context *bld, LLVMValueRef b); LLVMValueRef +lp_build_cmp_ordered(struct lp_build_context *bld, + unsigned func, + LLVMValueRef a, + LLVMValueRef b); + +LLVMValueRef lp_build_select_bitwise(struct lp_build_context *bld, LLVMValueRef mask, LLVMValueRef a, diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c index e99c8ef134e..f23e08b77fb 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c @@ -1274,8 +1274,10 @@ max_emit_cpu( struct lp_build_tgsi_context * bld_base, struct lp_build_emit_data * emit_data) { - emit_data->output[emit_data->chan] = lp_build_max(&bld_base->base, - emit_data->args[0], emit_data->args[1]); + emit_data->output[emit_data->chan] = + lp_build_max_ext(&bld_base->base, + emit_data->args[0], emit_data->args[1], + GALLIVM_NAN_RETURN_OTHER); } /* TGSI_OPCODE_MIN (CPU Only) */ @@ -1285,8 +1287,10 @@ min_emit_cpu( struct lp_build_tgsi_context * bld_base, struct lp_build_emit_data * emit_data) { - emit_data->output[emit_data->chan] = lp_build_min(&bld_base->base, - emit_data->args[0], emit_data->args[1]); + emit_data->output[emit_data->chan] = + lp_build_min_ext(&bld_base->base, + emit_data->args[0], emit_data->args[1], + GALLIVM_NAN_RETURN_OTHER); } /* TGSI_OPCODE_MOD (CPU Only) */ diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c index c8d4fb8cd57..4355b3a92d1 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c @@ -1396,16 +1396,21 @@ emit_store_chan( assert(dtype == TGSI_TYPE_FLOAT || dtype == TGSI_TYPE_UNTYPED); value = LLVMBuildBitCast(builder, value, float_bld->vec_type, ""); - value = lp_build_max(float_bld, value, float_bld->zero); - value = lp_build_min(float_bld, value, float_bld->one); + value = lp_build_max_ext(float_bld, value, float_bld->zero, + GALLIVM_NAN_RETURN_SECOND); + value = lp_build_min_ext(float_bld, value, float_bld->one, + GALLIVM_NAN_BEHAVIOR_UNDEFINED); break; case TGSI_SAT_MINUS_PLUS_ONE: assert(dtype == TGSI_TYPE_FLOAT || dtype == TGSI_TYPE_UNTYPED); value = LLVMBuildBitCast(builder, value, float_bld->vec_type, ""); - value = lp_build_max(float_bld, value, lp_build_const_vec(gallivm, float_bld->type, -1.0)); - value = lp_build_min(float_bld, value, float_bld->one); + value = lp_build_max_ext(float_bld, value, + lp_build_const_vec(gallivm, float_bld->type, -1.0), + GALLIVM_NAN_RETURN_SECOND); + value = lp_build_min_ext(float_bld, value, float_bld->one, + GALLIVM_NAN_BEHAVIOR_UNDEFINED); break; default: |