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* [gcc r12-777] attributes: target_clone expects a string argument
@ 2021-05-13 17:30 Martin Liska
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From: Martin Liska @ 2021-05-13 17:30 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:9feb5822b713c6a12cb290ba0406ba2362d4c09c
commit r12-777-g9feb5822b713c6a12cb290ba0406ba2362d4c09c
Author: Martin Liska <mliska@suse.cz>
Date: Thu May 13 13:59:59 2021 +0200
attributes: target_clone expects a string argument
PR middle-end/100504
gcc/c-family/ChangeLog:
* c-attribs.c (handle_target_clones_attribute): Expect a string
argument to target_clone argument.
gcc/testsuite/ChangeLog:
* gcc.target/i386/pr100504.c: New test.
Diff:
---
gcc/c-family/c-attribs.c | 7 ++++++-
gcc/testsuite/gcc.target/i386/pr100504.c | 7 +++++++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/gcc/c-family/c-attribs.c b/gcc/c-family/c-attribs.c
index c1f652d1dc9..f54388e9939 100644
--- a/gcc/c-family/c-attribs.c
+++ b/gcc/c-family/c-attribs.c
@@ -5288,7 +5288,12 @@ handle_target_clones_attribute (tree *node, tree name, tree ARG_UNUSED (args),
/* Ensure we have a function type. */
if (TREE_CODE (*node) == FUNCTION_DECL)
{
- if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (*node)))
+ if (TREE_CODE (TREE_VALUE (args)) != STRING_CST)
+ {
+ error ("%qE attribute argument not a string constant", name);
+ *no_add_attrs = true;
+ }
+ else if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (*node)))
{
warning (OPT_Wattributes, "%qE attribute ignored due to conflict "
"with %qs attribute", name, "always_inline");
diff --git a/gcc/testsuite/gcc.target/i386/pr100504.c b/gcc/testsuite/gcc.target/i386/pr100504.c
new file mode 100644
index 00000000000..2910dfb948b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr100504.c
@@ -0,0 +1,7 @@
+/* PR middle-end/100504 */
+/* { dg-do compile } */
+
+__attribute__((target_clones(0)))
+foo()
+{ /* { dg-error ".target_clones. attribute argument not a string constant" } */
+}
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