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re PR target/66954 (function multiversioning fails for target "aes") 

libgcc/ChangeLog:

	PR target/66954
	* config/i386/cpuinfo.c (enum processor_features): Add FEATURE_PCLMUL.
	(get_available_features): Handle FEATURE_PCLMUL.

gcc/ChangeLog:

	PR target/66954
	* config/i386/i386.c (get_builtin_code_for_version): Add P_PCLMUL
	to enum feature_priority and feature_list.
	(fold_builtin_cpu): Add F_PCLMUL to enum processor_features
	and isa_names_table.

gcc/testsuite/ChangeLog:

	PR target/66954
	* g++.dg/ext/mv25.C: New test.

From-SVN: r226784
This commit is contained in:
Uros Bizjak 2015-08-11 19:53:41 +02:00 committed by Uros Bizjak
parent dbfa87aa87
commit aff4eeac68
6 changed files with 63 additions and 2 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2015-08-11 Uros Bizjak <ubizjak@gmail.com>
PR target/66954
* config/i386/i386.c (get_builtin_code_for_version): Add P_PCLMUL
to enum feature_priority and feature_list.
(fold_builtin_cpu): Add F_PCLMUL to enum processor_features
and isa_names_table.
2015-08-11 Yuri Rumyantsev <ysrumyan@gmail.com>
* tree-vect-stmts.c (vectorizable_shift): Add missed test on

6
gcc/config/i386/i386.c
View File

@ -34574,6 +34574,7 @@ get_builtin_code_for_version (tree decl, tree *predicate_list)
P_PROC_SSE4_2,
P_POPCNT,
P_AES,
P_PCLMUL,
P_AVX,
P_PROC_AVX,
P_BMI,
@ -34612,6 +34613,7 @@ get_builtin_code_for_version (tree decl, tree *predicate_list)
{"sse4.2", P_SSE4_2},
{"popcnt", P_POPCNT},
{"aes", P_AES},
{"pclmul", P_PCLMUL},
{"avx", P_AVX},
{"bmi", P_BMI},
{"fma4", P_FMA4},
@ -35600,6 +35602,7 @@ fold_builtin_cpu (tree fndecl, tree *args)
F_BMI,
F_BMI2,
F_AES,
F_PCLMUL,
F_MAX
};
@ -35696,7 +35699,8 @@ fold_builtin_cpu (tree fndecl, tree *args)
{"avx512f",F_AVX512F},
{"bmi", F_BMI},
{"bmi2", F_BMI2},
{"aes", F_AES}
{"aes", F_AES},
{"pclmul", F_PCLMUL}
};
tree __processor_model_type = build_processor_model_struct ();

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-08-11 Uros Bizjak <ubizjak@gmail.com>
PR target/66954
* g++.dg/ext/mv25.C: New test.
2015-08-11 Yuri Rumyantsev <ysrumyan@gmail.com>
* gcc.target/i386/avx2-vect-shift.c: New test.

35
gcc/testsuite/g++.dg/ext/mv25.C Normal file
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@ -0,0 +1,35 @@
// Test case to check if Multiversioning works for PCLMUL
// { dg-do run { target i?86-*-* x86_64-*-* } }
// { dg-require-ifunc "" }
// { dg-options "-O2" }
#include <assert.h>
// Check if PCLMUL feature selection works
int foo () __attribute__((target("default")));
int foo () __attribute__((target("pclmul")));
int main ()
{
int val = foo ();
if (__builtin_cpu_supports ("pclmul"))
assert (val == 1);
else
assert (val == 0);
return 0;
}
int __attribute__ ((target("default")))
foo ()
{
return 0;
}
int __attribute__ ((target("pclmul")))
foo ()
{
return 1;
}

6
libgcc/ChangeLog
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@ -1,3 +1,9 @@
2015-08-11 Uros Bizjak <ubizjak@gmail.com>
PR target/66954
* config/i386/cpuinfo.c (enum processor_features): Add FEATURE_PCLMUL.
(get_available_features): Handle FEATURE_PCLMUL.
2015-08-10 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/cpuinfo.c (get_intel_cpu): Treat model == 0x4f as

5
libgcc/config/i386/cpuinfo.c
View File

@ -101,7 +101,8 @@ enum processor_features
FEATURE_AVX512F,
FEATURE_BMI,
FEATURE_BMI2,
FEATURE_AES
FEATURE_AES,
FEATURE_PCLMUL
};
struct __processor_model
@ -277,6 +278,8 @@ get_available_features (unsigned int ecx, unsigned int edx,
features |= (1 << FEATURE_POPCNT);
if (ecx & bit_AES)
features |= (1 << FEATURE_AES);
if (ecx & bit_PCLMUL)
features |= (1 << FEATURE_PCLMUL);
if (ecx & bit_SSE3)
features |= (1 << FEATURE_SSE3);
if (ecx & bit_SSSE3)