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-rw-r--r--gcc/testsuite/gcc.dg/vmx/sn7153.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vmx/sn7153.c b/gcc/testsuite/gcc.dg/vmx/sn7153.c
new file mode 100644
index 000000000..a498a8620
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vmx/sn7153.c
@@ -0,0 +1,62 @@
+/* In the source code, the vec_adds appears before the call to
+ validate_sat(). In the .s code, the vaddubs has been moved to after
+ the call to validate_sat(). This invalidates the meaning of checking
+ the saturation bit. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <altivec.h>
+
+static int failed;
+
+void validate_sat();
+void validate_u8(vector unsigned char, vector unsigned char);
+
+int
+main()
+{
+ vector unsigned char result_u8;
+ vec_mtvscr(((vector unsigned short){0,0,0,0,0,0,0,0}));
+ result_u8 = vec_adds(((vector unsigned
+ char){0,1,2,3,0xfc,0xfd,0xfe,0xff,
+ 0,1,2,3,0xfc,0xfd,0xfe,0xff}),
+ ((vector unsigned
+ char){0,0xf0,0xfd,0xfd,2,2,2,2,0,
+ 0xf0,0xfd,0xfd,2,2,2,2}));
+ validate_sat();
+ validate_u8(result_u8, ((vector unsigned
+ char){0,0xf1,0xff,0xff,0xfe,0xff,0xff,0xff,
+ 0,0xf1,0xff,0xff,0xfe,0xff,0xff,0xff}));
+ if (failed)
+ abort ();
+ return 0;
+}
+
+void validate_sat()
+{
+ if (vec_any_ne(vec_splat(vec_mfvscr(), 7), ((vector unsigned short){1,1,1,1,1,1,1,1})))
+ {
+ union {vector unsigned short v; unsigned short s[8];} u;
+ u.v = vec_mfvscr();
+ printf("error: vscr == { %d,%d,%d,%d,%d,%d,%d,%d }",
+ u.s[0], u.s[1], u.s[2], u.s[3],
+ u.s[4], u.s[5], u.s[6], u.s[7]);
+ printf("expected { 1,1,1,1,1,1,1,1 }\n");
+ failed++;
+ }
+}
+
+void validate_u8(vector unsigned char v, vector unsigned char vx)
+{
+ union {vector unsigned char v; unsigned char x[16]; } u, ux;
+ int i;
+ u.v = v;
+ ux.v = vx;
+ for (i=0; i<16; i++) {
+ if (u.x[i] != ux.x[i]) {
+ printf(" error: field %d %#2.2x expected %#2.2x\n",
+ i, u.x[i], ux.x[i]);
+ failed++;
+ }
+ }
+}