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* [gcc(refs/users/marxin/heads/PR103661-fix-__builtin_cpu_supports-on-i386)] i386: Fix emissing of __builtin_cpu_supports.
@ 2021-12-14 13:51 Martin Liska
0 siblings, 0 replies; 3+ messages in thread
From: Martin Liska @ 2021-12-14 13:51 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:227450e9f3a506fdfcff67aa45135fe31f3f91f6
commit 227450e9f3a506fdfcff67aa45135fe31f3f91f6
Author: Martin Liska <mliska@suse.cz>
Date: Mon Dec 13 15:34:30 2021 +0100
i386: Fix emissing of __builtin_cpu_supports.
PR target/103661
gcc/ChangeLog:
* config/i386/i386-builtins.c (fold_builtin_cpu): Compare to 0
as API expects that non-zero values are returned (do that
it mask == 31).
For "avx512vbmi2" argument, we return now 1 << 31, which is a
negative integer value.
Diff:
---
gcc/config/i386/i386-builtins.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/gcc/config/i386/i386-builtins.c b/gcc/config/i386/i386-builtins.c
index 0fb14b55712..bca244fc011 100644
--- a/gcc/config/i386/i386-builtins.c
+++ b/gcc/config/i386/i386-builtins.c
@@ -2353,7 +2353,11 @@ fold_builtin_cpu (tree fndecl, tree *args)
/* Return __cpu_model.__cpu_features[0] & field_val */
final = build2 (BIT_AND_EXPR, unsigned_type_node, array_elt,
build_int_cstu (unsigned_type_node, field_val));
- return build1 (CONVERT_EXPR, integer_type_node, final);
+ if (isa_names_table[i].feature == 31)
+ return build2 (NE_EXPR, integer_type_node, final,
+ build_int_cst (unsigned_type_node, 0));
+ else
+ return build1 (CONVERT_EXPR, integer_type_node, final);
}
gcc_unreachable ();
}
^ permalink raw reply [flat|nested] 3+ messages in thread
* [gcc(refs/users/marxin/heads/PR103661-fix-__builtin_cpu_supports-on-i386)] i386: Fix emissing of __builtin_cpu_supports.
@ 2021-12-14 13:14 Martin Liska
0 siblings, 0 replies; 3+ messages in thread
From: Martin Liska @ 2021-12-14 13:14 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:b0ced7392f7407182f93d629f81e04e2226c161a
commit b0ced7392f7407182f93d629f81e04e2226c161a
Author: Martin Liska <mliska@suse.cz>
Date: Mon Dec 13 15:34:30 2021 +0100
i386: Fix emissing of __builtin_cpu_supports.
PR target/103661
gcc/ChangeLog:
* config/i386/i386-builtins.c (fold_builtin_cpu): Compare to 0
as API expects that non-zero values are returned (do that
it mask == 31).
For "avx512vbmi2" argument, we return now 1 << 31, which is a
negative integer value.
Diff:
---
gcc/config/i386/i386-builtins.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/gcc/config/i386/i386-builtins.c b/gcc/config/i386/i386-builtins.c
index 0fb14b55712..bca244fc011 100644
--- a/gcc/config/i386/i386-builtins.c
+++ b/gcc/config/i386/i386-builtins.c
@@ -2353,7 +2353,11 @@ fold_builtin_cpu (tree fndecl, tree *args)
/* Return __cpu_model.__cpu_features[0] & field_val */
final = build2 (BIT_AND_EXPR, unsigned_type_node, array_elt,
build_int_cstu (unsigned_type_node, field_val));
- return build1 (CONVERT_EXPR, integer_type_node, final);
+ if (isa_names_table[i].feature == 31)
+ return build2 (NE_EXPR, integer_type_node, final,
+ build_int_cst (unsigned_type_node, 0));
+ else
+ return build1 (CONVERT_EXPR, integer_type_node, final);
}
gcc_unreachable ();
}
^ permalink raw reply [flat|nested] 3+ messages in thread
* [gcc(refs/users/marxin/heads/PR103661-fix-__builtin_cpu_supports-on-i386)] i386: Fix emissing of __builtin_cpu_supports.
@ 2021-12-13 14:35 Martin Liska
0 siblings, 0 replies; 3+ messages in thread
From: Martin Liska @ 2021-12-13 14:35 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:a1a31b0018111dddb6e3f7680ac1c71e8472663a
commit a1a31b0018111dddb6e3f7680ac1c71e8472663a
Author: Martin Liska <mliska@suse.cz>
Date: Mon Dec 13 15:34:30 2021 +0100
i386: Fix emissing of __builtin_cpu_supports.
PR target/103661
gcc/ChangeLog:
* config/i386/i386-builtins.c (fold_builtin_cpu): Compare to 0
as API expects that non-zero values are returned. For
"avx512vbmi2" argument, we return now 1 << 31, which is a
negative integer value.
Diff:
---
gcc/config/i386/i386-builtins.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/config/i386/i386-builtins.c b/gcc/config/i386/i386-builtins.c
index 0fb14b55712..7e57b665c1e 100644
--- a/gcc/config/i386/i386-builtins.c
+++ b/gcc/config/i386/i386-builtins.c
@@ -2353,7 +2353,8 @@ fold_builtin_cpu (tree fndecl, tree *args)
/* Return __cpu_model.__cpu_features[0] & field_val */
final = build2 (BIT_AND_EXPR, unsigned_type_node, array_elt,
build_int_cstu (unsigned_type_node, field_val));
- return build1 (CONVERT_EXPR, integer_type_node, final);
+ return build2 (NE_EXPR, integer_type_node, final,
+ build_int_cst (unsigned_type_node, 0));
}
gcc_unreachable ();
}
^ permalink raw reply [flat|nested] 3+ messages in thread
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