fold-vec-splat-char.c: New.

[testsuite]

2018-08-13  Will Schmidt  <will_schmidt@vnet.ibm.com>

	* gcc.target/powerpc/fold-vec-splat-char.c: New.
	* gcc.target/powerpc/fold-vec-splat-floatdouble.c: New.
	* gcc.target/powerpc/fold-vec-splat-int.c: New.
	* gcc.target/powerpc/fold-vec-splat-longlong.c: New.
	* gcc.target/powerpc/fold-vec-splat-pixel.c: New.
	* gcc.target/powerpc/fold-vec-splat-short.c: New.

From-SVN: r263570

gcc/testsuite/ChangeLog

@@ -1,3 +1,12 @@
+2018-08-15  Will Schmidt  <will_schmidt@vnet.ibm.com>
+
+	* gcc.target/powerpc/fold-vec-splat-char.c: New.
+	* gcc.target/powerpc/fold-vec-splat-floatdouble.c: New.
+	* gcc.target/powerpc/fold-vec-splat-int.c: New.
+	* gcc.target/powerpc/fold-vec-splat-longlong.c: New.
+	* gcc.target/powerpc/fold-vec-splat-pixel.c: New.
+	* gcc.target/powerpc/fold-vec-splat-short.c: New.
+
 2018-08-15  David Malcolm  <dmalcolm@redhat.com>
 
 	* g++.dg/diagnostic/aka3.C: New test.

gcc/testsuite/gcc.target/powerpc/fold-vec-splat-char.c

@@ -0,0 +1,55 @@
+/* Verify that overloaded built-ins for vec_splat with char
+   inputs produce the right code.  */
+
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-maltivec -O2" } */
+
+#include <altivec.h>
+
+vector bool char testb_0  (vector bool char x) { return vec_splat (x, 0b00000); }
+vector bool char testb_1  (vector bool char x) { return vec_splat (x, 0b00001); }
+vector bool char testb_2  (vector bool char x) { return vec_splat (x, 0b00010); }
+vector bool char testb_4  (vector bool char x) { return vec_splat (x, 0b00100); }
+vector bool char testb_8  (vector bool char x) { return vec_splat (x, 0b01000); }
+vector bool char testb_10 (vector bool char x) { return vec_splat (x, 0b10000); }
+vector bool char testb_1e (vector bool char x) { return vec_splat (x, 0b11110); }
+vector bool char testb_1f (vector bool char x) { return vec_splat (x, 0b11111); }
+
+vector signed char tests_0  (vector signed char x) { return vec_splat (x, 0b00000); }
+vector signed char tests_1  (vector signed char x) { return vec_splat (x, 0b00001); }
+vector signed char tests_2  (vector signed char x) { return vec_splat (x, 0b00010); }
+vector signed char tests_4  (vector signed char x) { return vec_splat (x, 0b00100); }
+vector signed char tests_8  (vector signed char x) { return vec_splat (x, 0b01000); }
+vector signed char tests_10 (vector signed char x) { return vec_splat (x, 0b10000); }
+vector signed char tests_1e (vector signed char x) { return vec_splat (x, 0b11110); }
+vector signed char tests_1f (vector signed char x) { return vec_splat (x, 0b11111); }
+
+vector unsigned char testu_0  (vector unsigned char x) { return vec_splat (x, 0b00000); }
+vector unsigned char testu_1  (vector unsigned char x) { return vec_splat (x, 0b00001); }
+vector unsigned char testu_2  (vector unsigned char x) { return vec_splat (x, 0b00010); }
+vector unsigned char testu_4  (vector unsigned char x) { return vec_splat (x, 0b00100); }
+vector unsigned char testu_8  (vector unsigned char x) { return vec_splat (x, 0b01000); }
+vector unsigned char testu_10 (vector unsigned char x) { return vec_splat (x, 0b10000); }
+vector unsigned char testu_1e (vector unsigned char x) { return vec_splat (x, 0b11110); }
+vector unsigned char testu_1f (vector unsigned char x) { return vec_splat (x, 0b11111); }
+
+/* Similar tests as above, but the source vector is a known constant. */
+const vector bool char by = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p'};
+const vector signed char sy = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p'};
+const vector unsigned char uy = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p'};
+
+vector bool char test_bc (vector bool char x) { return vec_splat (by, 0b00010); }
+vector signed char test_sc (vector signed char x) { return vec_splat (sy, 0b00011); }
+vector unsigned char test_uc (vector unsigned char x) { return vec_splat (uy, 0b00110); }
+
+/* Similar tests as above, mask is greater than number of elements in the
+ source vector.  */
+vector bool char test_obc (vector bool char x) { return vec_splat (by, 0b10010); }
+vector signed char test_osc (vector signed char x) { return vec_splat (sy, 0b10011); }
+vector unsigned char test_ouc (vector unsigned char x) { return vec_splat (uy, 0b10110); }
+
+// vec_splat() using variable vectors should generate the vspltb instruction.
+/* { dg-final { scan-assembler-times "vspltb" 24 } } */
+// vec_splat() using a constant vector should generate a load.
+/* { dg-final { scan-assembler-times {\mlvx\M|\mlxvw4x\M} 6 } } */

gcc/testsuite/gcc.target/powerpc/fold-vec-splat-floatdouble.c

@@ -0,0 +1,46 @@
+/* Verify that overloaded built-ins for vec_splat with float and
+   double inputs produce the right code.  */
+
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_vsx_ok } */
+/* { dg-options "-mvsx -O2" } */
+
+#include <altivec.h>
+
+vector float testf_00 (vector float x) { return vec_splat (x, 0b00000); }
+vector float testf_01 (vector float x) { return vec_splat (x, 0b00001); }
+vector float testf_02 (vector float x) { return vec_splat (x, 0b00010); }
+vector float testf_04 (vector float x) { return vec_splat (x, 0b00100); }
+vector float testf_08 (vector float x) { return vec_splat (x, 0b01000); }
+vector float testf_0f (vector float x) { return vec_splat (x, 0b01111); }
+vector float testf_10 (vector float x) { return vec_splat (x, 0b10000); }
+vector float testf_1e (vector float x) { return vec_splat (x, 0b11110); }
+vector float testf_1f (vector float x) { return vec_splat (x, 0b11111); }
+
+vector double testd_00 (vector double x) { return vec_splat (x, 0b00000); }
+vector double testd_01 (vector double x) { return vec_splat (x, 0b00001); }
+vector double testd_02 (vector double x) { return vec_splat (x, 0b00010); }
+vector double testd_04 (vector double x) { return vec_splat (x, 0b00100); }
+vector double testd_08 (vector double x) { return vec_splat (x, 0b01000); }
+vector double testd_0f (vector double x) { return vec_splat (x, 0b01111); }
+vector double testd_10 (vector double x) { return vec_splat (x, 0b10000); }
+vector double testd_1e (vector double x) { return vec_splat (x, 0b11110); }
+vector double testd_1f (vector double x) { return vec_splat (x, 0b11111); }
+
+/* Similar tests as above, but the source vector is a known constant. */
+vector float test_fc () { const vector float y = { 7.1, 8.2, 9.3, 10.4}; return vec_splat (y, 0b00010); }
+vector double test_dc () { const vector double y = { 3.0, 5.0 }; return vec_splat (y, 0b00010); }
+
+/* Similar tests as above, mask is greater than number of elements in the
+ source vector.  */
+vector float test_ofc () { const vector float y = { 7.1, 8.2, 9.3, 10.4}; return vec_splat (y, 0b10010); }
+vector double test_odc () { const vector double y = { 3.0, 5.0 }; return vec_splat (y, 0b10010); }
+
+/* lvx or lxvd2x for loading of the constants.  */
+/* vspltw or xxspltw for non-constants with the float type.  */
+/* xxpermdi for non-constants with the double type.  */
+
+/* { dg-final { scan-assembler-times {\mlvx\M|\mlxvd2x\M} 4 } } */
+/* { dg-final { scan-assembler-times "vspltw|xxspltw" 9 } } */
+/* { dg-final { scan-assembler-times "xxpermdi" 9 } } */
+

gcc/testsuite/gcc.target/powerpc/fold-vec-splat-int.c

@@ -0,0 +1,50 @@
+/* Verify that overloaded built-ins for vec_splat with int
+   inputs produce the right code.  */
+
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-maltivec -O2" } */
+
+#include <altivec.h>
+
+vector bool int testb_0  (vector bool int x) { return vec_splat (x, 0b00000); }
+vector bool int testb_1  (vector bool int x) { return vec_splat (x, 0b00001); }
+vector bool int testb_2  (vector bool int x) { return vec_splat (x, 0b00010); }
+vector bool int testb_4  (vector bool int x) { return vec_splat (x, 0b00100); }
+vector bool int testb_8  (vector bool int x) { return vec_splat (x, 0b01000); }
+vector bool int testb_10 (vector bool int x) { return vec_splat (x, 0b10000); }
+vector bool int testb_1e (vector bool int x) { return vec_splat (x, 0b11110); }
+vector bool int testb_1f (vector bool int x) { return vec_splat (x, 0b11111); }
+
+vector signed int tests_0  (vector signed int x) { return vec_splat (x, 0b00000); }
+vector signed int tests_1  (vector signed int x) { return vec_splat (x, 0b00001); }
+vector signed int tests_2  (vector signed int x) { return vec_splat (x, 0b00010); }
+vector signed int tests_4  (vector signed int x) { return vec_splat (x, 0b00100); }
+vector signed int tests_8  (vector signed int x) { return vec_splat (x, 0b01000); }
+vector signed int tests_10 (vector signed int x) { return vec_splat (x, 0b10000); }
+vector signed int tests_1e (vector signed int x) { return vec_splat (x, 0b11110); }
+vector signed int tests_1f (vector signed int x) { return vec_splat (x, 0b11111); }
+
+vector unsigned int testu_0  (vector unsigned int x) { return vec_splat (x, 0b00000); }
+vector unsigned int testu_1  (vector unsigned int x) { return vec_splat (x, 0b00001); }
+vector unsigned int testu_2  (vector unsigned int x) { return vec_splat (x, 0b00010); }
+vector unsigned int testu_4  (vector unsigned int x) { return vec_splat (x, 0b00100); }
+vector unsigned int testu_8  (vector unsigned int x) { return vec_splat (x, 0b01000); }
+vector unsigned int testu_10 (vector unsigned int x) { return vec_splat (x, 0b10000); }
+vector unsigned int testu_1e (vector unsigned int x) { return vec_splat (x, 0b11110); }
+vector unsigned int testu_1f (vector unsigned int x) { return vec_splat (x, 0b11111); }
+
+/* Similar test as above, but the source vector is a known constant. */
+vector bool int test_bic () { const vector bool int y = { 1,2,3,4}; return vec_splat (y, 0b00010); }
+vector signed int test_sic () { const vector signed int y = { 1,2,3,4}; return vec_splat (y, 0b00010); }
+vector unsigned int test_uic () { const vector unsigned int y = { 1,2,3,4}; return vec_splat (y, 0b00010); }
+
+/* Similar tests as above, mask is greater than number of elements in the
+ source vector.  */
+vector bool int test_obic () { const vector bool int y = { 1,2,3,4}; return vec_splat (y, 0b10010); }
+vector signed int test_osic () { const vector signed int y = { 1,2,3,4}; return vec_splat (y, 0b10010); }
+vector unsigned int test_ouic () { const vector unsigned int y = { 1,2,3,4}; return vec_splat (y, 0b10010); }
+
+/* { dg-final { scan-assembler-times "vspltisw" 6 } } */
+/* { dg-final { scan-assembler-times "vspltw|xxspltw" 24 } } */
+

gcc/testsuite/gcc.target/powerpc/fold-vec-splat-longlong.c

@@ -0,0 +1,60 @@
+/* Verify that overloaded built-ins for vec_splat with long long
+   inputs produce the right code.  */
+
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_vsx_ok } */
+/* { dg-options "-mvsx -O2" } */
+
+#include <altivec.h>
+
+vector bool long long testb_00 (vector bool long long x) { return vec_splat (x, 0b00000); }
+vector bool long long testb_01 (vector bool long long x) { return vec_splat (x, 0b00001); }
+vector bool long long testb_02 (vector bool long long x) { return vec_splat (x, 0b00010); }
+vector bool long long testb_04 (vector bool long long x) { return vec_splat (x, 0b00100); }
+vector bool long long testb_08 (vector bool long long x) { return vec_splat (x, 0b01000); }
+vector bool long long testb_10 (vector bool long long x) { return vec_splat (x, 0b10000); }
+vector bool long long testb_1e (vector bool long long x) { return vec_splat (x, 0b11110); }
+vector bool long long testb_1f (vector bool long long x) { return vec_splat (x, 0b11111); }
+
+vector signed long long tests_00 (vector signed long long x) { return vec_splat (x, 0b00000); }
+vector signed long long tests_01 (vector signed long long x) { return vec_splat (x, 0b00001); }
+vector signed long long tests_02 (vector signed long long x) { return vec_splat (x, 0b00010); }
+vector signed long long tests_04 (vector signed long long x) { return vec_splat (x, 0b00100); }
+vector signed long long tests_08 (vector signed long long x) { return vec_splat (x, 0b01000); }
+vector signed long long tests_10 (vector signed long long x) { return vec_splat (x, 0b10000); }
+vector signed long long tests_1e (vector signed long long x) { return vec_splat (x, 0b11110); }
+vector signed long long tests_1f (vector signed long long x) { return vec_splat (x, 0b11111); }
+
+vector unsigned long long testu_00 (vector unsigned long long x) { return vec_splat (x, 0b00000); }
+vector unsigned long long testu_01 (vector unsigned long long x) { return vec_splat (x, 0b00001); }
+vector unsigned long long testu_02 (vector unsigned long long x) { return vec_splat (x, 0b00010); }
+vector unsigned long long testu_04 (vector unsigned long long x) { return vec_splat (x, 0b00100); }
+vector unsigned long long testu_08 (vector unsigned long long x) { return vec_splat (x, 0b01000); }
+vector unsigned long long testu_10 (vector unsigned long long x) { return vec_splat (x, 0b10000); }
+vector unsigned long long testu_1e (vector unsigned long long x) { return vec_splat (x, 0b11110); }
+vector unsigned long long testu_1f (vector unsigned long long x) { return vec_splat (x, 0b11111); }
+
+/* Similar test as above, but the source vector is a known constant. */
+vector bool long long test_bll () { const vector bool long long y = {12, 23}; return vec_splat (y, 0b00010); }
+vector signed long long test_sll () { const vector signed long long y = {34, 45}; return vec_splat (y, 0b00010); }
+vector unsigned long long test_ull () { const vector unsigned long long y = {56, 67}; return vec_splat (y, 0b00010); }
+
+/* Similar tests as above, mask is greater than number of elements in the
+ source vector.  */
+vector bool long long test_obll () { const vector bool long long y = {12, 23}; return vec_splat (y, 0b10010); }
+vector signed long long test_osll () { const vector signed long long y = {34, 45}; return vec_splat (y, 0b10010); }
+vector unsigned long long test_oull () { const vector unsigned long long y = {56, 67}; return vec_splat (y, 0b10010); }
+
+/* lvx for the initialization with known constants. */
+/* { dg-final { scan-assembler-times {\mlvx\M|\mlxvd2x\M} 6 } } */
+
+/* xxpermdi for vec_splat of long long vectors.
+   At the time of this writing, the number of xxpermdi instructions
+   generated could be 24 or 26 or 27, ultimately depending on the
+   platform and whether or not folding is enabled.
+   Roughly:
+	24 occurrences on older targets (power5) regardless of folding state.
+	26 occurrences with gimple folding enabled (through power9).
+	27 occurrences with gimple folding disabled (through power9).
+  So, ensure we have at least one hit.  */
+/* { dg-final { scan-assembler "xxpermdi" } } */

gcc/testsuite/gcc.target/powerpc/fold-vec-splat-pixel.c

@@ -0,0 +1,27 @@
+/* Verify that overloaded built-ins for vec_splat with pixel
+   inputs produce the right code.  */
+
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_vsx_ok } */
+/* { dg-options "-mvsx -O2" } */
+
+#include <altivec.h>
+
+vector pixel test1_00 (vector pixel x) { return vec_splat (x, 0b00000); }
+vector pixel test1_01 (vector pixel x) { return vec_splat (x, 0b00001); }
+vector pixel test1_02 (vector pixel x) { return vec_splat (x, 0b00010); }
+vector pixel test1_04 (vector pixel x) { return vec_splat (x, 0b00100); }
+vector pixel test1_08 (vector pixel x) { return vec_splat (x, 0b01000); }
+vector pixel test1_10 (vector pixel x) { return vec_splat (x, 0b10000); }
+vector pixel test1_1e (vector pixel x) { return vec_splat (x, 0b11110); }
+vector pixel test1_1f (vector pixel x) { return vec_splat (x, 0b11111); }
+
+/* Similar test as above, but the source vector is a known constant. */
+vector pixel test_p () { const vector pixel y = { 1,2,3,4}; return vec_splat (y, 0b00010); }
+
+/* Similar tests as above, mask is greater than number of elements in the
+ source vector.  */
+vector pixel test_op () { const vector pixel y = { 1,2,3,4}; return vec_splat (y, 0b10010); }
+
+/* { dg-final { scan-assembler-times "vspltish" 2 } } */
+/* { dg-final { scan-assembler-times "vsplth" 8 } } */

gcc/testsuite/gcc.target/powerpc/fold-vec-splat-short.c

@@ -0,0 +1,49 @@
+/* Verify that overloaded built-ins for vec_splat with short
+   inputs produce the right results.  */
+
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-maltivec -O2" } */
+
+#include <altivec.h>
+
+vector bool short testb_00 (vector bool short x) { return vec_splat (x, 0b00000); }
+vector bool short testb_01 (vector bool short x) { return vec_splat (x, 0b00001); }
+vector bool short testb_02 (vector bool short x) { return vec_splat (x, 0b00010); }
+vector bool short testb_04 (vector bool short x) { return vec_splat (x, 0b00100); }
+vector bool short testb_08 (vector bool short x) { return vec_splat (x, 0b01000); }
+vector bool short testb_10 (vector bool short x) { return vec_splat (x, 0b10000); }
+vector bool short testb_1e (vector bool short x) { return vec_splat (x, 0b11110); }
+vector bool short testb_1f (vector bool short x) { return vec_splat (x, 0b11111); }
+
+vector signed short tests_00 (vector signed short x) { return vec_splat (x, 0b00000); }
+vector signed short tests_01 (vector signed short x) { return vec_splat (x, 0b00001); }
+vector signed short tests_02 (vector signed short x) { return vec_splat (x, 0b00010); }
+vector signed short tests_04 (vector signed short x) { return vec_splat (x, 0b00100); }
+vector signed short tests_08 (vector signed short x) { return vec_splat (x, 0b01000); }
+vector signed short tests_10 (vector signed short x) { return vec_splat (x, 0b10000); }
+vector signed short tests_1e (vector signed short x) { return vec_splat (x, 0b11110); }
+vector signed short tests_1f (vector signed short x) { return vec_splat (x, 0b11111); }
+
+vector unsigned short testu_00 (vector unsigned short x) { return vec_splat (x, 0b00000); }
+vector unsigned short testu_01 (vector unsigned short x) { return vec_splat (x, 0b00001); }
+vector unsigned short testu_02 (vector unsigned short x) { return vec_splat (x, 0b00010); }
+vector unsigned short testu_04 (vector unsigned short x) { return vec_splat (x, 0b00100); }
+vector unsigned short testu_08 (vector unsigned short x) { return vec_splat (x, 0b01000); }
+vector unsigned short testu_10 (vector unsigned short x) { return vec_splat (x, 0b10000); }
+vector unsigned short testu_1e (vector unsigned short x) { return vec_splat (x, 0b11110); }
+vector unsigned short testu_1f (vector unsigned short x) { return vec_splat (x, 0b11111); }
+
+/* Similar test as above, but the source vector is a known constant. */
+vector bool short test_bs () { const vector bool short y = {1, 2, 3, 4, 5, 6, 7, 8}; return vec_splat (y, 0b00010); }
+vector signed short test_ss () { const vector signed short y = {1, 2, 3, 4, 5, 6, 7, 8}; return vec_splat (y, 0b00010); }
+vector unsigned short test_us () { const vector unsigned short y = {1, 2, 3, 4, 5, 6, 7, 8}; return vec_splat (y, 0b00010); }
+
+/* Similar tests as above, mask is greater than number of elements in the
+ source vector.  */
+vector bool short test_obs () { const vector bool short y = {1, 2, 3, 4, 5, 6, 7, 8}; return vec_splat (y, 0b10010); }
+vector signed short test_oss () { const vector signed short y = {1, 2, 3, 4, 5, 6, 7, 8}; return vec_splat (y, 0b10010); }
+vector unsigned short test_ous () { const vector unsigned short y = {1, 2, 3, 4, 5, 6, 7, 8}; return vec_splat (y, 0b10010); }
+
+/* { dg-final { scan-assembler-times "vspltish" 6 } } */
+/* { dg-final { scan-assembler-times "vsplth" 24 } } */