On September 28, 2019 8:34:59 AM GMT+02:00, Alan Modra <amo...@gmail.com> wrote:
>Tested on powerpc64le-linux and powerpc64-linux. OK?
Ok.
Thanks,
Richard.
>pr91656-3.c didn't really need to be changed since popcount doesn't
>care which bits are set, but I figured it was better to make the test
>set the low 16 bits of the 64-bit value in both big and litte endian.
>
> PR testsuite/91676
> PR rtl-optimization/91656
> * gcc.dg/torture/pr91656-1.c: Correct for big and pdp endian.
> * gcc.dg/torture/pr91656-2.c: Likewise.
> * gcc.dg/torture/pr91656-3.c: Likewise.
>
>diff --git a/gcc/testsuite/gcc.dg/torture/pr91656-1.c
>b/gcc/testsuite/gcc.dg/torture/pr91656-1.c
>index 6c1e73c7f01..fae17de1112 100644
>--- a/gcc/testsuite/gcc.dg/torture/pr91656-1.c
>+++ b/gcc/testsuite/gcc.dg/torture/pr91656-1.c
>@@ -6,7 +6,17 @@ int a, b, c, d, e;
> static __attribute__ ((__noipa__))
> int foo (int i)
> {
>+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
> __builtin_memmove (&i, &e, 1);
>+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
>+ __builtin_memmove ((char *) &i + sizeof (i) - 1,
>+ (char *) &e + sizeof (e) - 1, 1);
>+#elif __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
>+ __builtin_memmove ((char *) &i + sizeof (i) - 2,
>+ (char *) &e + sizeof (e) - 2, 1);
>+#else
>+#error "endian unknown?"
>+#endif
> if (a > 0)
> i /= e;
> e /= 5;
>diff --git a/gcc/testsuite/gcc.dg/torture/pr91656-2.c
>b/gcc/testsuite/gcc.dg/torture/pr91656-2.c
>index 90374becae0..29a619b280e 100644
>--- a/gcc/testsuite/gcc.dg/torture/pr91656-2.c
>+++ b/gcc/testsuite/gcc.dg/torture/pr91656-2.c
>@@ -12,7 +12,17 @@ d (u16 g)
> {
> u64 f = __builtin_bswap64 (c);
> f = g == a;
>+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
> __builtin_memmove (&f, &e, 1);
>+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
>+ __builtin_memmove ((char *) &f + sizeof (f) - 1,
>+ (char *) &e + sizeof (e) - 1, 1);
>+#elif __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
>+ __builtin_memmove ((char *) &f + sizeof (f) - 2,
>+ (char *) &e + sizeof (e) - 2, 1);
>+#else
>+#error "endian unknown?"
>+#endif
> e >>= b;
> return a + f;
> }
>diff --git a/gcc/testsuite/gcc.dg/torture/pr91656-3.c
>b/gcc/testsuite/gcc.dg/torture/pr91656-3.c
>index 8e65d24a21d..f84e51af4a4 100644
>--- a/gcc/testsuite/gcc.dg/torture/pr91656-3.c
>+++ b/gcc/testsuite/gcc.dg/torture/pr91656-3.c
>@@ -10,7 +10,14 @@ int
> d (u16 e, u64 f)
> {
> b |= e;
>+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
> __builtin_memset (&f, e, 2);
>+#elif (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ \
>+ || __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__)
>+ __builtin_memset ((char *) &f + sizeof (f) - 2, e, 2);
>+#else
>+#error "endian unknown?"
>+#endif
> a = (u16) - e >= 2 ? : __builtin_popcountll (f);
> return a + c;
> }
