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authorAlexander Ivchenko <alexander.ivchenko@intel.com>2014-07-11 15:24:10 +0400
committerAlexander Ivchenko <alexander.ivchenko@intel.com>2014-08-06 16:24:16 +0400
commit55f9fbb03d0413cb8fe74e5ec5d6c2dd4280933e (patch)
treea276531909449c8ed589df86ad3cfdd3048b7400 /gcc-4.9/gcc/testsuite/gcc.target
parent38a8aecfb882072900434499696b5c32a2274515 (diff)
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[4.8, 4.9] Backport of additional SLM tuning.
Six patches from trunk, reg-tested via 'make check': 2014-05-07 Evgeny Stupachenko <evstupac@gmail.com> * tree-vect-data-refs.c (vect_grouped_load_supported): New check for loads group of length 3. (vect_permute_load_chain): New permutations for loads group of length 3. * tree-vect-stmts.c (vect_model_load_cost): Change cost of vec_perm_shuffle for the new permutations. 2014-04-17 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/i386.c (x86_add_stmt_cost): Fix vector cost model for Silvermont. 2014-04-17 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/x86-tune.def (TARGET_SLOW_PSHUFB): New tune definition. * config/i386/i386.h (TARGET_SLOW_PSHUFB): New tune flag. * config/i386/i386.c (expand_vec_perm_even_odd_1): Avoid byte shuffles for TARGET_SLOW_PSHUFB 2014-04-17 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/i386.c (slm_cost): Adjust vec_to_scalar_cost. * config/i386/i386.c (intel_cost): Ditto. 2014-06-18 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/i386.c (ix86_reassociation_width): Add alternative for vector case. * config/i386/i386.h (TARGET_VECTOR_PARALLEL_EXECUTION): New. * config/i386/x86-tune.def (X86_TUNE_VECTOR_PARALLEL_EXECUTION): New. * tree-vect-data-refs.c (vect_shift_permute_load_chain): New. Introduces alternative way of loads group permutaions. (vect_transform_grouped_load): Try alternative way of permutations. 2014-06-05 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/sse.md (*ssse3_palignr<mode>_perm): New. * config/i386/predicates.md (palignr_operand): New. Indicates if permutation is suitable for palignr instruction. Change-Id: I5e505735ce3dc0ec3c2a1151713a119b24d712fe Signed-off-by: Alexander Ivchenko <alexander.ivchenko@intel.com>
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/pr52252-atom.c29
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/pr52252-core.c29
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/pr61403.c27
3 files changed, 85 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr52252-atom.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr52252-atom.c
new file mode 100644
index 000000000..715b45943
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr52252-atom.c
@@ -0,0 +1,29 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ssse3 } */
+/* { dg-options "-O2 -ftree-vectorize -mssse3 -mtune=slm" } */
+#define byte unsigned char
+
+void
+matrix_mul (byte *in, byte *out, int size)
+{
+ int i;
+ for (i = 0; i < size; i++)
+ {
+ byte in0 = in[0];
+ byte in1 = in[1];
+ byte in2 = in[2];
+ byte out0, out1, out2, out3;
+ out0 = in0 + in1;
+ out1 = in0 + in2;
+ out2 = in1 + in2;
+ out3 = in0 + in1 + in2;
+ out[0] = out0;
+ out[1] = out1;
+ out[2] = out2;
+ out[3] = out3;
+ in += 3;
+ out += 4;
+ }
+}
+
+/* { dg-final { scan-assembler "palignr" } } */
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr52252-core.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr52252-core.c
new file mode 100644
index 000000000..ac857a5fe
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr52252-core.c
@@ -0,0 +1,29 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ssse3 } */
+/* { dg-options "-O2 -ftree-vectorize -mssse3 -mtune=corei7" } */
+#define byte unsigned char
+
+void
+matrix_mul (byte *in, byte *out, int size)
+{
+ int i;
+ for (i = 0; i < size; i++)
+ {
+ byte in0 = in[0];
+ byte in1 = in[1];
+ byte in2 = in[2];
+ byte out0, out1, out2, out3;
+ out0 = in0 + in1;
+ out1 = in0 + in2;
+ out2 = in1 + in2;
+ out3 = in0 + in1 + in2;
+ out[0] = out0;
+ out[1] = out1;
+ out[2] = out2;
+ out[3] = out3;
+ in += 3;
+ out += 4;
+ }
+}
+
+/* { dg-final { scan-assembler "pshufb" } } */
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr61403.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr61403.c
new file mode 100644
index 000000000..84cc5c5c8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr61403.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target sse4 } */
+/* { dg-options "-O2 -ffast-math -ftree-vectorize -msse4.2 -mtune=corei7" } */
+
+#include <math.h>
+
+struct XYZ
+{
+ float x;
+ float y;
+ float z;
+};
+
+void
+norm (struct XYZ *in, struct XYZ *out, int size)
+{
+ int i;
+ for (i = 0; i < size; ++i)
+ {
+ float n = sqrt (in[i].x * in[i].x + in[i].y * in[i].y + in[i].z * in[i].z);
+ out[i].x = in[i].x / n;
+ out[i].y = in[i].y / n;
+ out[i].z = in[i].z / n;
+ }
+}
+
+/* { dg-final { scan-assembler "blend" } } */