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-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_arit.c192
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_const.c6
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_swizzle.c2
3 files changed, 34 insertions, 166 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
index 2405be4a2fc..9aea04e05be 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
@@ -676,26 +676,13 @@ lp_build_abs(struct lp_build_context *bld,
if(type.floating) {
/* Mask out the sign bit */
- if (type.length == 1) {
- LLVMTypeRef int_type = LLVMIntType(type.width);
- LLVMTypeRef float_type = LLVMFloatType();
- unsigned long long absMask = ~(1ULL << (type.width - 1));
- LLVMValueRef mask = LLVMConstInt(int_type, absMask, 0);
- a = LLVMBuildBitCast(bld->builder, a, int_type, "");
- a = LLVMBuildAnd(bld->builder, a, mask, "");
- a = LLVMBuildBitCast(bld->builder, a, float_type, "");
- return a;
- }
- else {
- /* vector of floats */
- LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);
- unsigned long long absMask = ~(1ULL << (type.width - 1));
- LLVMValueRef mask = lp_build_const_int_vec(type, ((unsigned long long) absMask));
- a = LLVMBuildBitCast(bld->builder, a, int_vec_type, "");
- a = LLVMBuildAnd(bld->builder, a, mask, "");
- a = LLVMBuildBitCast(bld->builder, a, vec_type, "");
- return a;
- }
+ LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);
+ unsigned long long absMask = ~(1ULL << (type.width - 1));
+ LLVMValueRef mask = lp_build_const_int_vec(type, ((unsigned long long) absMask));
+ a = LLVMBuildBitCast(bld->builder, a, int_vec_type, "");
+ a = LLVMBuildAnd(bld->builder, a, mask, "");
+ a = LLVMBuildBitCast(bld->builder, a, vec_type, "");
+ return a;
}
if(type.width*type.length == 128 && util_cpu_caps.has_ssse3) {
@@ -743,17 +730,9 @@ lp_build_sgn(struct lp_build_context *bld,
LLVMValueRef one;
unsigned long long maskBit = (unsigned long long)1 << (type.width - 1);
- if (type.length == 1) {
- int_type = lp_build_int_elem_type(type);
- vec_type = lp_build_elem_type(type);
- mask = LLVMConstInt(int_type, maskBit, 0);
- }
- else {
- /* vector */
- int_type = lp_build_int_vec_type(type);
- vec_type = lp_build_vec_type(type);
- mask = lp_build_const_int_vec(type, maskBit);
- }
+ int_type = lp_build_int_vec_type(type);
+ vec_type = lp_build_vec_type(type);
+ mask = lp_build_const_int_vec(type, maskBit);
/* Take the sign bit and add it to 1 constant */
sign = LLVMBuildBitCast(bld->builder, a, int_type, "");
@@ -820,21 +799,11 @@ lp_build_int_to_float(struct lp_build_context *bld,
LLVMValueRef a)
{
const struct lp_type type = bld->type;
+ LLVMTypeRef vec_type = lp_build_vec_type(type);
assert(type.floating);
- /*assert(lp_check_value(type, a));*/
- if (type.length == 1) {
- LLVMTypeRef float_type = LLVMFloatType();
- return LLVMBuildSIToFP(bld->builder, a, float_type, "");
- }
- else {
- LLVMTypeRef vec_type = lp_build_vec_type(type);
- /*LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);*/
- LLVMValueRef res;
- res = LLVMBuildSIToFP(bld->builder, a, vec_type, "");
- return res;
- }
+ return LLVMBuildSIToFP(bld->builder, a, vec_type, "");
}
@@ -888,7 +857,7 @@ lp_build_trunc(struct lp_build_context *bld,
assert(type.floating);
assert(lp_check_value(type, a));
- if(util_cpu_caps.has_sse4_1)
+ if (util_cpu_caps.has_sse4_1 && type.width*type.length == 128)
return lp_build_round_sse41(bld, a, LP_BUILD_ROUND_SSE41_TRUNCATE);
else {
LLVMTypeRef vec_type = lp_build_vec_type(type);
@@ -910,7 +879,7 @@ lp_build_round(struct lp_build_context *bld,
assert(type.floating);
assert(lp_check_value(type, a));
- if(util_cpu_caps.has_sse4_1)
+ if (util_cpu_caps.has_sse4_1 && type.width*type.length == 128)
return lp_build_round_sse41(bld, a, LP_BUILD_ROUND_SSE41_NEAREST);
else {
LLVMTypeRef vec_type = lp_build_vec_type(type);
@@ -929,15 +898,9 @@ lp_build_floor(struct lp_build_context *bld,
const struct lp_type type = bld->type;
assert(type.floating);
+ assert(lp_check_value(type, a));
- if (type.length == 1) {
- LLVMValueRef res;
- res = lp_build_ifloor(bld, a);
- res = LLVMBuildSIToFP(bld->builder, res, LLVMFloatType(), "");
- return res;
- }
-
- if(util_cpu_caps.has_sse4_1)
+ if (util_cpu_caps.has_sse4_1 && type.width*type.length == 128)
return lp_build_round_sse41(bld, a, LP_BUILD_ROUND_SSE41_FLOOR);
else {
LLVMTypeRef vec_type = lp_build_vec_type(type);
@@ -958,7 +921,7 @@ lp_build_ceil(struct lp_build_context *bld,
assert(type.floating);
assert(lp_check_value(type, a));
- if(util_cpu_caps.has_sse4_1)
+ if (util_cpu_caps.has_sse4_1 && type.width*type.length == 128)
return lp_build_round_sse41(bld, a, LP_BUILD_ROUND_SSE41_CEIL);
else {
LLVMTypeRef vec_type = lp_build_vec_type(type);
@@ -992,18 +955,12 @@ lp_build_itrunc(struct lp_build_context *bld,
LLVMValueRef a)
{
const struct lp_type type = bld->type;
+ LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);
assert(type.floating);
+ assert(lp_check_value(type, a));
- if (type.length == 1) {
- LLVMTypeRef int_type = LLVMIntType(type.width);
- return LLVMBuildFPToSI(bld->builder, a, int_type, "");
- }
- else {
- LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);
- assert(lp_check_value(type, a));
- return LLVMBuildFPToSI(bld->builder, a, int_vec_type, "");
- }
+ return LLVMBuildFPToSI(bld->builder, a, int_vec_type, "");
}
@@ -1020,17 +977,9 @@ lp_build_iround(struct lp_build_context *bld,
assert(type.floating);
- if (type.length == 1) {
- /* scalar float to int */
- LLVMTypeRef int_type = LLVMIntType(type.width);
- /* XXX we want rounding here! */
- res = LLVMBuildFPToSI(bld->builder, a, int_type, "");
- return res;
- }
-
assert(lp_check_value(type, a));
- if(util_cpu_caps.has_sse4_1) {
+ if (util_cpu_caps.has_sse4_1 && type.width*type.length == 128) {
res = lp_build_round_sse41(bld, a, LP_BUILD_ROUND_SSE41_NEAREST);
}
else {
@@ -1070,17 +1019,9 @@ lp_build_ifloor(struct lp_build_context *bld,
LLVMValueRef res;
assert(type.floating);
-
- if (type.length == 1) {
- /* scalar float to int */
- LLVMTypeRef int_type = LLVMIntType(type.width);
- res = LLVMBuildFPToSI(bld->builder, a, int_type, "");
- return res;
- }
-
assert(lp_check_value(type, a));
- if(util_cpu_caps.has_sse4_1) {
+ if (util_cpu_caps.has_sse4_1 && type.width*type.length == 128) {
res = lp_build_round_sse41(bld, a, LP_BUILD_ROUND_SSE41_FLOOR);
}
else {
@@ -1128,10 +1069,11 @@ lp_build_iceil(struct lp_build_context *bld,
assert(type.floating);
assert(lp_check_value(type, a));
- if(util_cpu_caps.has_sse4_1) {
+ if (util_cpu_caps.has_sse4_1 && type.width*type.length == 128) {
res = lp_build_round_sse41(bld, a, LP_BUILD_ROUND_SSE41_CEIL);
}
else {
+ /* TODO: mimic lp_build_ifloor() here */
assert(0);
res = bld->undef;
}
@@ -1407,7 +1349,6 @@ lp_build_polynomial(struct lp_build_context *bld,
unsigned num_coeffs)
{
const struct lp_type type = bld->type;
- LLVMTypeRef float_type = LLVMFloatType();
LLVMValueRef res = NULL;
unsigned i;
@@ -1419,10 +1360,7 @@ lp_build_polynomial(struct lp_build_context *bld,
for (i = num_coeffs; i--; ) {
LLVMValueRef coeff;
- if (type.length == 1)
- coeff = LLVMConstReal(float_type, coeffs[i]);
- else
- coeff = lp_build_const_vec(type, coeffs[i]);
+ coeff = lp_build_const_vec(type, coeffs[i]);
if(res)
res = lp_build_add(bld, coeff, lp_build_mul(bld, x, res));
@@ -1646,89 +1584,11 @@ lp_build_log2_approx(struct lp_build_context *bld,
}
-/** scalar version of above function */
-static void
-lp_build_float_log2_approx(struct lp_build_context *bld,
- LLVMValueRef x,
- LLVMValueRef *p_exp,
- LLVMValueRef *p_floor_log2,
- LLVMValueRef *p_log2)
-{
- const struct lp_type type = bld->type;
- LLVMTypeRef float_type = LLVMFloatType();
- LLVMTypeRef int_type = LLVMIntType(type.width);
-
- LLVMValueRef expmask = LLVMConstInt(int_type, 0x7f800000, 0);
- LLVMValueRef mantmask = LLVMConstInt(int_type, 0x007fffff, 0);
- LLVMValueRef one = LLVMConstBitCast(bld->one, int_type);
-
- LLVMValueRef i = NULL;
- LLVMValueRef exp = NULL;
- LLVMValueRef mant = NULL;
- LLVMValueRef logexp = NULL;
- LLVMValueRef logmant = NULL;
- LLVMValueRef res = NULL;
-
- if(p_exp || p_floor_log2 || p_log2) {
- /* TODO: optimize the constant case */
- if(LLVMIsConstant(x))
- debug_printf("%s: inefficient/imprecise constant arithmetic\n",
- __FUNCTION__);
-
- assert(type.floating && type.width == 32);
-
- i = LLVMBuildBitCast(bld->builder, x, int_type, "");
-
- /* exp = (float) exponent(x) */
- exp = LLVMBuildAnd(bld->builder, i, expmask, "");
- }
-
- if(p_floor_log2 || p_log2) {
- LLVMValueRef c23 = LLVMConstInt(int_type, 23, 0);
- LLVMValueRef c127 = LLVMConstInt(int_type, 127, 0);
- logexp = LLVMBuildLShr(bld->builder, exp, c23, "");
- logexp = LLVMBuildSub(bld->builder, logexp, c127, "");
- logexp = LLVMBuildSIToFP(bld->builder, logexp, float_type, "");
- }
-
- if(p_log2) {
- /* mant = (float) mantissa(x) */
- mant = LLVMBuildAnd(bld->builder, i, mantmask, "");
- mant = LLVMBuildOr(bld->builder, mant, one, "");
- mant = LLVMBuildBitCast(bld->builder, mant, float_type, "");
-
- logmant = lp_build_polynomial(bld, mant, lp_build_log2_polynomial,
- Elements(lp_build_log2_polynomial));
-
- /* This effectively increases the polynomial degree by one, but ensures that log2(1) == 0*/
- logmant = LLVMBuildMul(bld->builder, logmant, LLVMBuildSub(bld->builder, mant, bld->one, ""), "");
-
- res = LLVMBuildAdd(bld->builder, logmant, logexp, "");
- }
-
- if(p_exp) {
- exp = LLVMBuildBitCast(bld->builder, exp, float_type, "");
- *p_exp = exp;
- }
-
- if(p_floor_log2)
- *p_floor_log2 = logexp;
-
- if(p_log2)
- *p_log2 = res;
-}
-
-
LLVMValueRef
lp_build_log2(struct lp_build_context *bld,
LLVMValueRef x)
{
LLVMValueRef res;
- if (bld->type.length == 1) {
- lp_build_float_log2_approx(bld, x, NULL, NULL, &res);
- }
- else {
- lp_build_log2_approx(bld, x, NULL, NULL, &res);
- }
+ lp_build_log2_approx(bld, x, NULL, NULL, &res);
return res;
}
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_const.c b/src/gallium/auxiliary/gallivm/lp_bld_const.c
index 57843e9a60c..031ce9d1a37 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_const.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_const.c
@@ -301,6 +301,9 @@ lp_build_const_vec(struct lp_type type,
elems[0] = LLVMConstInt(elem_type, val*dscale + 0.5, 0);
}
+ if (type.length == 1)
+ return elems[0];
+
for(i = 1; i < type.length; ++i)
elems[i] = elems[0];
@@ -321,6 +324,9 @@ lp_build_const_int_vec(struct lp_type type,
for(i = 0; i < type.length; ++i)
elems[i] = LLVMConstInt(elem_type, val, type.sign ? 1 : 0);
+ if (type.length == 1)
+ return elems[0];
+
return LLVMConstVector(elems, type.length);
}
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_swizzle.c b/src/gallium/auxiliary/gallivm/lp_bld_swizzle.c
index e101d2866b4..6a3c8f3f3a4 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_swizzle.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_swizzle.c
@@ -71,6 +71,8 @@ lp_build_broadcast_scalar(struct lp_build_context *bld,
LLVMValueRef res;
unsigned i;
+ assert(lp_check_elem_type(type, LLVMTypeOf(scalar)));
+
res = bld->undef;
for(i = 0; i < type.length; ++i) {
LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 10:56:22 +0000