> But I'm afraid I have no idea how is this supposed to work on
> non-bitint targets or where __BITINT_MAXWIDTH__ is smaller than 9020.
> There is no loop at all there, so what should be vectorized?
>
Yeah It was giving an unresolved and I didn't notice in diff.
> I'd say introduce
> # Return 1 if the target supports _BitInt(65535), 0 otherwise.
>
> proc check_effective_target_bitint65535 { } {
> return [check_no_compiler_messages bitint65535 object {
> _BitInt (2) a = 1wb;
> unsigned _BitInt (65535) b = 0uwb;
> } "-std=c23"]
> }
>
> after bitint575 effective target and use it in the test.
>
Sure, how's:
--
This changes the tests I committed for PR113287 to also
run on targets that don't support bitint.
Regtested on aarch64-none-linux-gnu, x86_64-pc-linux-gnu and no issues and
tests run on both.
Ok for master?
Thanks,
Tamar
gcc/ChangeLog:
* doc/sourcebuild.texi (check_effective_target_bitint65535): New.
gcc/testsuite/ChangeLog:
PR tree-optimization/113287
* gcc.dg/vect/vect-early-break_100-pr113287.c: Support non-bitint.
* gcc.dg/vect/vect-early-break_99-pr113287.c: Likewise.
* lib/target-supports.exp (bitint, bitint128, bitint575, bitint65535):
Document them.
---inline copy of patch ---
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index
bd62b21f3b725936eae34c22159ccbc9db40873f..6fbb102f9971d54d66d77dcee8f10a1b57aa6e5a
100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2864,6 +2864,18 @@ Target supports Graphite optimizations.
@item fixed_point
Target supports fixed-point extension to C.
+@item bitint
+Target supports _BitInt(N).
+
+@item bitint128
+Target supports _BitInt(128).
+
+@item bitint575
+Target supports _BitInt(575).
+
+@item bitint65535
+Target supports _BitInt(65535).
+
@item fopenacc
Target supports OpenACC via @option{-fopenacc}.
diff --git a/gcc/testsuite/gcc.dg/vect/vect-early-break_100-pr113287.c
b/gcc/testsuite/gcc.dg/vect/vect-early-break_100-pr113287.c
index
f908e5bc60779c148dc95bda3e200383d12b9e1e..05fb84e1d36d4d05f39e48e41fc70703074ecabd
100644
--- a/gcc/testsuite/gcc.dg/vect/vect-early-break_100-pr113287.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-early-break_100-pr113287.c
@@ -1,28 +1,29 @@
/* { dg-add-options vect_early_break } */
/* { dg-require-effective-target vect_early_break } */
-/* { dg-require-effective-target vect_int } */
-/* { dg-require-effective-target bitint } */
+/* { dg-require-effective-target vect_long_long } */
+
+/* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */
__attribute__((noipa)) void
-bar (unsigned long *p)
+bar (unsigned long long *p)
{
- __builtin_memset (p, 0, 142 * sizeof (unsigned long));
- p[17] = 0x500UL;
+ __builtin_memset (p, 0, 142 * sizeof (unsigned long long));
+ p[17] = 0x500ULL;
}
__attribute__((noipa)) int
foo (void)
{
- unsigned long r[142];
+ unsigned long long r[142];
bar (r);
- unsigned long v = ((long) r[0] >> 31);
+ unsigned long long v = ((long) r[0] >> 31);
if (v + 1 > 1)
return 1;
- for (unsigned long i = 1; i <= 140; ++i)
+ for (unsigned long long i = 1; i <= 140; ++i)
if (r[i] != v)
return 1;
- unsigned long w = r[141];
- if ((unsigned long) (((long) (w << 60)) >> 60) != v)
+ unsigned long long w = r[141];
+ if ((unsigned long long) (((long) (w << 60)) >> 60) != v)
return 1;
return 0;
}
diff --git a/gcc/testsuite/gcc.dg/vect/vect-early-break_99-pr113287.c
b/gcc/testsuite/gcc.dg/vect/vect-early-break_99-pr113287.c
index
b92a8a268d803ab1656b4716b1a319ed4edc87a3..e141e8a9277f89527e8aff809fe101fdd91a4c46
100644
--- a/gcc/testsuite/gcc.dg/vect/vect-early-break_99-pr113287.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-early-break_99-pr113287.c
@@ -1,7 +1,8 @@
/* { dg-add-options vect_early_break } */
/* { dg-require-effective-target vect_early_break } */
-/* { dg-require-effective-target vect_int } */
-/* { dg-require-effective-target bitint } */
+/* { dg-require-effective-target bitint65535 } */
+
+/* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */
_BitInt(998) b;
char c;
diff --git a/gcc/testsuite/lib/target-supports.exp
b/gcc/testsuite/lib/target-supports.exp
index
a9c76e0b290b19fd07574805bb2b87c86a5e9cf7..1ddcb3926a8d549b6a17b61e29e1d9836ecce897
100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -3850,6 +3850,15 @@ proc check_effective_target_bitint575 { } {
} "-std=c23"]
}
+# Return 1 if the target supports _BitInt(65535), 0 otherwise.
+
+proc check_effective_target_bitint65535 { } {
+return [check_no_compiler_messages bitint65535 object {
+_BitInt (2) a = 1wb;
+unsigned _BitInt (65535) b = 0uwb;
+} "-std=c23"]
+}
+
# Return 1 if the target supports compiling decimal floating point,
# 0 otherwise.
rb18146.patch
Description: rb18146.patch
