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-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_conv.c90
1 files changed, 58 insertions, 32 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_conv.c b/src/gallium/auxiliary/gallivm/lp_bld_conv.c
index eb2d09638fa..f11361ac06b 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_conv.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_conv.c
@@ -530,24 +530,22 @@ int lp_build_conv_auto(struct gallivm_state *gallivm,
dst_type->width == 8)
{
/* Special case 4x4f --> 1x16ub */
- if (src_type.length == 4 && util_cpu_caps.has_sse2)
+ if (src_type.length == 4 &&
+ util_cpu_caps.has_sse2)
{
- assert((num_srcs % 4) == 0);
-
- num_dsts = num_srcs / 4;
- dst_type->length = 16;
+ num_dsts = (num_srcs + 3) / 4;
+ dst_type->length = num_srcs * 4 >= 16 ? 16 : num_srcs * 4;
lp_build_conv(gallivm, src_type, *dst_type, src, num_srcs, dst, num_dsts);
return num_dsts;
}
/* Special case 2x8f --> 1x16ub */
- if (src_type.length == 8 && util_cpu_caps.has_avx)
+ if (src_type.length == 8 &&
+ util_cpu_caps.has_avx)
{
- assert((num_srcs % 2) == 0);
-
- num_dsts = num_srcs / 2;
- dst_type->length = 16;
+ num_dsts = (num_srcs + 1) / 2;
+ dst_type->length = num_srcs * 8 >= 16 ? 16 : num_srcs * 8;
lp_build_conv(gallivm, src_type, *dst_type, src, num_srcs, dst, num_dsts);
return num_dsts;
@@ -602,7 +600,7 @@ lp_build_conv(struct gallivm_state *gallivm,
num_tmps = num_srcs;
- /* Special case 4x4f --> 1x16ub
+ /* Special case 4x4f --> 1x16ub, 2x4f -> 1x8ub, 1x4f -> 1x4ub
*/
if (src_type.floating == 1 &&
src_type.fixed == 0 &&
@@ -616,20 +614,23 @@ lp_build_conv(struct gallivm_state *gallivm,
dst_type.sign == 0 &&
dst_type.norm == 1 &&
dst_type.width == 8 &&
- dst_type.length == 16 &&
- 4 * num_dsts == num_srcs &&
+ ((dst_type.length == 16 && 4 * num_dsts == num_srcs) ||
+ (num_dsts == 1 && dst_type.length * num_srcs == 16 && num_srcs != 3)) &&
util_cpu_caps.has_sse2)
{
struct lp_build_context bld;
- struct lp_type int16_type = dst_type;
- struct lp_type int32_type = dst_type;
+ struct lp_type int16_type, int32_type;
+ struct lp_type dst_type_ext = dst_type;
LLVMValueRef const_255f;
unsigned i, j;
lp_build_context_init(&bld, gallivm, src_type);
+ dst_type_ext.length = 16;
+ int16_type = int32_type = dst_type_ext;
+
int16_type.width *= 2;
int16_type.length /= 2;
int16_type.sign = 1;
@@ -643,21 +644,34 @@ lp_build_conv(struct gallivm_state *gallivm,
for (i = 0; i < num_dsts; ++i, src += 4) {
LLVMValueRef lo, hi;
- for (j = 0; j < 4; ++j) {
+ for (j = 0; j < dst_type.length / 4; ++j) {
tmp[j] = LLVMBuildFMul(builder, src[j], const_255f, "");
tmp[j] = lp_build_iround(&bld, tmp[j]);
}
+ if (num_srcs == 1) {
+ tmp[1] = tmp[0];
+ }
+
/* relying on clamping behavior of sse2 intrinsics here */
lo = lp_build_pack2(gallivm, int32_type, int16_type, tmp[0], tmp[1]);
- hi = lp_build_pack2(gallivm, int32_type, int16_type, tmp[2], tmp[3]);
- dst[i] = lp_build_pack2(gallivm, int16_type, dst_type, lo, hi);
+
+ if (num_srcs < 4) {
+ hi = lo;
+ }
+ else {
+ hi = lp_build_pack2(gallivm, int32_type, int16_type, tmp[2], tmp[3]);
+ }
+ dst[i] = lp_build_pack2(gallivm, int16_type, dst_type_ext, lo, hi);
+ }
+ if (num_srcs < 4) {
+ dst[0] = lp_build_extract_range(gallivm, dst[0], 0, dst_type.length);
}
return;
}
- /* Special case 2x8f --> 1x16ub
+ /* Special case 2x8f --> 1x16ub, 1x8f ->1x8ub
*/
else if (src_type.floating == 1 &&
src_type.fixed == 0 &&
@@ -671,20 +685,23 @@ lp_build_conv(struct gallivm_state *gallivm,
dst_type.sign == 0 &&
dst_type.norm == 1 &&
dst_type.width == 8 &&
- dst_type.length == 16 &&
- 2 * num_dsts == num_srcs &&
+ ((dst_type.length == 16 && 2 * num_dsts == num_srcs) ||
+ (num_dsts == 1 && dst_type.length * num_srcs == 8)) &&
util_cpu_caps.has_avx) {
struct lp_build_context bld;
- struct lp_type int16_type = dst_type;
- struct lp_type int32_type = dst_type;
+ struct lp_type int16_type, int32_type;
+ struct lp_type dst_type_ext = dst_type;
LLVMValueRef const_255f;
unsigned i;
lp_build_context_init(&bld, gallivm, src_type);
+ dst_type_ext.length = 16;
+ int16_type = int32_type = dst_type_ext;
+
int16_type.width *= 2;
int16_type.length /= 2;
int16_type.sign = 1;
@@ -699,21 +716,30 @@ lp_build_conv(struct gallivm_state *gallivm,
LLVMValueRef lo, hi, a, b;
a = LLVMBuildFMul(builder, src[0], const_255f, "");
- b = LLVMBuildFMul(builder, src[1], const_255f, "");
-
a = lp_build_iround(&bld, a);
- b = lp_build_iround(&bld, b);
-
tmp[0] = lp_build_extract_range(gallivm, a, 0, 4);
tmp[1] = lp_build_extract_range(gallivm, a, 4, 4);
- tmp[2] = lp_build_extract_range(gallivm, b, 0, 4);
- tmp[3] = lp_build_extract_range(gallivm, b, 4, 4);
-
/* relying on clamping behavior of sse2 intrinsics here */
lo = lp_build_pack2(gallivm, int32_type, int16_type, tmp[0], tmp[1]);
- hi = lp_build_pack2(gallivm, int32_type, int16_type, tmp[2], tmp[3]);
- dst[i] = lp_build_pack2(gallivm, int16_type, dst_type, lo, hi);
+
+ if (num_srcs == 1) {
+ hi = lo;
+ }
+ else {
+ b = LLVMBuildFMul(builder, src[1], const_255f, "");
+ b = lp_build_iround(&bld, b);
+ tmp[2] = lp_build_extract_range(gallivm, b, 0, 4);
+ tmp[3] = lp_build_extract_range(gallivm, b, 4, 4);
+ hi = lp_build_pack2(gallivm, int32_type, int16_type, tmp[2], tmp[3]);
+
+ }
+ dst[i] = lp_build_pack2(gallivm, int16_type, dst_type_ext, lo, hi);
}
+
+ if (num_srcs == 1) {
+ dst[0] = lp_build_extract_range(gallivm, dst[0], 0, dst_type.length);
+ }
+
return;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 08:51:30 +0000