+2016-07-12 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/71805
+ * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
+ The xxperm and xxpermr instructions require that the 2nd input
+ operand overlap with the output operand, and not the 1st.
+ (altivec_vperm_v8hiv16qi): Likewise.
+ (altivec_vperm_<mode>_uns_internal): Likewise.
+ (altivec_vpermr_<mode>_internal): Likewise.
+ (vperm_v8hiv4si): Likewise.
+ (vperm_v16qiv8hi): Likewise.
+
2016-07-12 Martin Liska <mliska@suse.cz>
* params.def: Add avg-loop niter.
;; Slightly prefer vperm, since the target does not overlap the source
(define_insn "*altivec_vperm_<mode>_internal"
[(set (match_operand:VM 0 "register_operand" "=v,?wo")
- (unspec:VM [(match_operand:VM 1 "register_operand" "v,0")
- (match_operand:VM 2 "register_operand" "v,wo")
+ (unspec:VM [(match_operand:VM 1 "register_operand" "v,wo")
+ (match_operand:VM 2 "register_operand" "v,0")
(match_operand:V16QI 3 "register_operand" "v,wo")]
UNSPEC_VPERM))]
"TARGET_ALTIVEC"
"@
vperm %0,%1,%2,%3
- xxperm %x0,%x2,%x3"
+ xxperm %x0,%x1,%x3"
[(set_attr "type" "vecperm")
(set_attr "length" "4")])
(define_insn "altivec_vperm_v8hiv16qi"
[(set (match_operand:V16QI 0 "register_operand" "=v,?wo")
- (unspec:V16QI [(match_operand:V8HI 1 "register_operand" "v,0")
- (match_operand:V8HI 2 "register_operand" "v,wo")
+ (unspec:V16QI [(match_operand:V8HI 1 "register_operand" "v,wo")
+ (match_operand:V8HI 2 "register_operand" "v,0")
(match_operand:V16QI 3 "register_operand" "v,wo")]
UNSPEC_VPERM))]
"TARGET_ALTIVEC"
"@
vperm %0,%1,%2,%3
- xxperm %x0,%x2,%x3"
+ xxperm %x0,%x1,%x3"
[(set_attr "type" "vecperm")
(set_attr "length" "4")])
(define_insn "*altivec_vperm_<mode>_uns_internal"
[(set (match_operand:VM 0 "register_operand" "=v,?wo")
- (unspec:VM [(match_operand:VM 1 "register_operand" "v,0")
- (match_operand:VM 2 "register_operand" "v,wo")
+ (unspec:VM [(match_operand:VM 1 "register_operand" "v,wo")
+ (match_operand:VM 2 "register_operand" "v,0")
(match_operand:V16QI 3 "register_operand" "v,wo")]
UNSPEC_VPERM_UNS))]
"TARGET_ALTIVEC"
"@
vperm %0,%1,%2,%3
- xxperm %x0,%x2,%x3"
+ xxperm %x0,%x1,%x3"
[(set_attr "type" "vecperm")
(set_attr "length" "4")])
(define_insn "*altivec_vpermr_<mode>_internal"
[(set (match_operand:VM 0 "register_operand" "=v,?wo")
- (unspec:VM [(match_operand:VM 1 "register_operand" "v,0")
- (match_operand:VM 2 "register_operand" "v,wo")
+ (unspec:VM [(match_operand:VM 1 "register_operand" "v,wo")
+ (match_operand:VM 2 "register_operand" "v,0")
(match_operand:V16QI 3 "register_operand" "v,wo")]
UNSPEC_VPERMR))]
"TARGET_P9_VECTOR"
"@
vpermr %0,%2,%1,%3
- xxpermr %x0,%x2,%x3"
+ xxpermr %x0,%x1,%x3"
[(set_attr "type" "vecperm")
(set_attr "length" "4")])
(define_insn "vperm_v8hiv4si"
[(set (match_operand:V4SI 0 "register_operand" "=v,?wo")
- (unspec:V4SI [(match_operand:V8HI 1 "register_operand" "v,0")
- (match_operand:V4SI 2 "register_operand" "v,wo")
+ (unspec:V4SI [(match_operand:V8HI 1 "register_operand" "v,wo")
+ (match_operand:V4SI 2 "register_operand" "v,0")
(match_operand:V16QI 3 "register_operand" "v,wo")]
UNSPEC_VPERMSI))]
"TARGET_ALTIVEC"
"@
vperm %0,%1,%2,%3
- xxperm %x0,%x2,%x3"
+ xxperm %x0,%x1,%x3"
[(set_attr "type" "vecperm")
(set_attr "length" "4")])
(define_insn "vperm_v16qiv8hi"
[(set (match_operand:V8HI 0 "register_operand" "=v,?wo")
- (unspec:V8HI [(match_operand:V16QI 1 "register_operand" "v,0")
- (match_operand:V8HI 2 "register_operand" "v,wo")
+ (unspec:V8HI [(match_operand:V16QI 1 "register_operand" "v,wo")
+ (match_operand:V8HI 2 "register_operand" "v,0")
(match_operand:V16QI 3 "register_operand" "v,wo")]
UNSPEC_VPERMHI))]
"TARGET_ALTIVEC"
"@
vperm %0,%1,%2,%3
- xxperm %x0,%x2,%x3"
+ xxperm %x0,%x1,%x3"
[(set_attr "type" "vecperm")
(set_attr "length" "4")])
+2016-07-12 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/71805
+ * gcc.target/powerpc/pr71805.c: New test.
+
2016-07-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* gcc.target/powerpc/divkc3-1.c: New.
--- /dev/null
+/* { dg-require-effective-target p9vector_hw } */
+/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
+/* { dg-options "-mcpu=power9 -O3 --param tree-reassoc-width=1" } */
+
+/* Originally from gcc.dg/vect/pr45752.c. */
+#include <stdarg.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+extern void abort (void);
+extern void exit (int);
+#ifdef __cplusplus
+}
+#endif
+
+#define M00 100
+#define M10 216
+#define M20 23
+#define M30 237
+#define M40 437
+
+#define M01 1322
+#define M11 13
+#define M21 27271
+#define M31 2280
+#define M41 284
+
+#define M02 74
+#define M12 191
+#define M22 500
+#define M32 111
+#define M42 1114
+
+#define M03 134
+#define M13 117
+#define M23 11
+#define M33 771
+#define M43 71
+
+#define M04 334
+#define M14 147
+#define M24 115
+#define M34 7716
+#define M44 16
+
+#define N 20
+
+void foo (unsigned int *__restrict__ pInput,
+ unsigned int *__restrict__ pOutput,
+ unsigned int *__restrict__ pInput2,
+ unsigned int *__restrict__ pOutput2)
+{
+ unsigned int i, a, b, c, d, e;
+
+ for (i = 0; i < N / 5; i++)
+ {
+ a = *pInput++;
+ b = *pInput++;
+ c = *pInput++;
+ d = *pInput++;
+ e = *pInput++;
+
+ *pOutput++ = M00 * a + M01 * b + M02 * c + M03 * d + M04 * e;
+ *pOutput++ = M10 * a + M11 * b + M12 * c + M13 * d + M14 * e;
+ *pOutput++ = M20 * a + M21 * b + M22 * c + M23 * d + M24 * e;
+ *pOutput++ = M30 * a + M31 * b + M32 * c + M33 * d + M34 * e;
+ *pOutput++ = M40 * a + M41 * b + M42 * c + M43 * d + M44 * e;
+
+
+ a = *pInput2++;
+ b = *pInput2++;
+ c = *pInput2++;
+ d = *pInput2++;
+ e = *pInput2++;
+
+ *pOutput2++ = M00 * a + M01 * b + M02 * c + M03 * d + M04 * e;
+ *pOutput2++ = M10 * a + M11 * b + M12 * c + M13 * d + M14 * e;
+ *pOutput2++ = M20 * a + M21 * b + M22 * c + M23 * d + M24 * e;
+ *pOutput2++ = M30 * a + M31 * b + M32 * c + M33 * d + M34 * e;
+ *pOutput2++ = M40 * a + M41 * b + M42 * c + M43 * d + M44 * e;
+
+ }
+}
+
+int main (int argc, const char* argv[])
+{
+ unsigned int input[N], output[N], i, input2[N], output2[N];
+ unsigned int check_results[N]
+ = {3208, 1334, 28764, 35679, 2789, 13028, 4754, 168364, 91254, 12399,
+ 22848, 8174, 307964, 146829, 22009, 32668, 11594, 447564, 202404, 31619 };
+ unsigned int check_results2[N]
+ = {7136, 2702, 84604, 57909, 6633, 16956, 6122, 224204, 113484, 16243,
+ 26776, 9542, 363804, 169059, 25853, 36596, 12962, 503404, 224634, 35463 };
+
+ for (i = 0; i < N; i++)
+ {
+ input[i] = i%256;
+ input2[i] = i + 2;
+ output[i] = 0;
+ output2[i] = 0;
+ __asm__ volatile ("");
+ }
+
+ foo (input, output, input2, output2);
+
+ for (i = 0; i < N; i++)
+ if (output[i] != check_results[i]
+ || output2[i] != check_results2[i])
+ abort ();
+
+ return 0;
+}
projects / gcc.git / commitdiff