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tst-audit4, tst-audit10: Compile AVX/AVX-512 code separately [BZ #19269]
This ensures that GCC will not use unsupported instructions before the run-time check to ensure support.
This commit is contained in:
Florian Weimer
parent
900056024b
commit
3c0f7407ee
13
ChangeLog
13
ChangeLog
@ -1,5 +1,18 @@
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2016-03-07 Florian Weimer <fweimer@redhat.com>
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[BZ #19269]
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* sysdeps/x86_64/Makefile (tst-audit4): Depend on
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tst-audit4-aux.o.
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(tst-audit10): Depend on tst-audit10-aux.o.
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(CFLAGS-tst-audit4-aux.c): Compile with AVX enabled.
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(CFLAGS-tst-audit10-aux.c): Compile with AVX512 enabled.
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* sysdeps/x86_64/tst-audit4.c (do_test): Call tst_audit4_aux
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instead of inline AVX code.
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* sysdeps/x86_64/tst-audit10.c (do_test): Call tst_audit10_aux
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instead of inline AVX512 code.
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* sysdeps/x86_64/tst-audit4-aux.c: New file
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* sysdeps/x86_64/tst-audit10-aux.c: New file
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[BZ #19648]
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* test-skeleton.c (main): Do not set RLIMIT_DATA.
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@ -64,7 +64,7 @@ $(objpfx)tst-audit3: $(objpfx)tst-auditmod3a.so
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$(objpfx)tst-audit3.out: $(objpfx)tst-auditmod3b.so
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tst-audit3-ENV = LD_AUDIT=$(objpfx)tst-auditmod3b.so
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$(objpfx)tst-audit4: $(objpfx)tst-auditmod4a.so
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$(objpfx)tst-audit4: $(objpfx)tst-audit4-aux.o $(objpfx)tst-auditmod4a.so
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$(objpfx)tst-audit4.out: $(objpfx)tst-auditmod4b.so
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tst-audit4-ENV = LD_AUDIT=$(objpfx)tst-auditmod4b.so
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@ -81,12 +81,12 @@ $(objpfx)tst-audit7: $(objpfx)tst-auditmod7a.so
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$(objpfx)tst-audit7.out: $(objpfx)tst-auditmod7b.so
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tst-audit7-ENV = LD_AUDIT=$(objpfx)tst-auditmod7b.so
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$(objpfx)tst-audit10: $(objpfx)tst-auditmod10a.so
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$(objpfx)tst-audit10: $(objpfx)tst-audit10-aux.o $(objpfx)tst-auditmod10a.so
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$(objpfx)tst-audit10.out: $(objpfx)tst-auditmod10b.so
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tst-audit10-ENV = LD_AUDIT=$(objpfx)tst-auditmod10b.so
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AVX-CFLAGS=-mavx -mno-vzeroupper
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CFLAGS-tst-audit4.c += $(AVX-CFLAGS)
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CFLAGS-tst-audit4-aux.c += $(AVX-CFLAGS)
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CFLAGS-tst-auditmod4a.c += $(AVX-CFLAGS)
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CFLAGS-tst-auditmod4b.c += $(AVX-CFLAGS)
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CFLAGS-tst-auditmod6b.c += $(AVX-CFLAGS)
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@ -94,7 +94,7 @@ CFLAGS-tst-auditmod6c.c += $(AVX-CFLAGS)
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CFLAGS-tst-auditmod7b.c += $(AVX-CFLAGS)
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ifeq (yes,$(config-cflags-avx512))
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AVX512-CFLAGS = -mavx512f
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CFLAGS-tst-audit10.c += $(AVX512-CFLAGS)
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CFLAGS-tst-audit10-aux.c += $(AVX512-CFLAGS)
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CFLAGS-tst-auditmod10a.c += $(AVX512-CFLAGS)
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CFLAGS-tst-auditmod10b.c += $(AVX512-CFLAGS)
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endif
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41
sysdeps/x86_64/tst-audit10-aux.c
Normal file
41
sysdeps/x86_64/tst-audit10-aux.c
Normal file
@ -0,0 +1,41 @@
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/* Test case for preserved AVX512 registers in dynamic linker, -mavx512f part.
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Copyright (C) 2012-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <immintrin.h>
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#include <stdlib.h>
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#include <string.h>
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extern __m512i audit_test (__m512i, __m512i, __m512i, __m512i,
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__m512i, __m512i, __m512i, __m512i);
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int
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tst_audit10_aux (void)
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{
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#ifdef __AVX512F__
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__m512i zmm = _mm512_setzero_si512 ();
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__m512i ret = audit_test (zmm, zmm, zmm, zmm, zmm, zmm, zmm, zmm);
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zmm = _mm512_set1_epi64 (0x12349876);
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if (memcmp (&zmm, &ret, sizeof (ret)))
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abort ();
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return 0;
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#else /* __AVX512F__ */
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return 77;
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#endif /* __AVX512F__ */
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}
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@ -1,4 +1,5 @@
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/* Copyright (C) 2012-2016 Free Software Foundation, Inc.
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/* Test case for preserved AVX512 registers in dynamic linker.
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Copyright (C) 2012-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -15,13 +16,9 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* Test case for x86-64 preserved registers in dynamic linker. */
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#ifdef __AVX512F__
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#include <stdlib.h>
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#include <string.h>
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#include <cpuid.h>
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#include <immintrin.h>
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int tst_audit10_aux (void);
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static int
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avx512_enabled (void)
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@ -42,32 +39,15 @@ avx512_enabled (void)
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return (eax & 0xe6) == 0xe6;
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}
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extern __m512i audit_test (__m512i, __m512i, __m512i, __m512i,
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__m512i, __m512i, __m512i, __m512i);
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static int
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do_test (void)
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{
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/* Run AVX512 test only if AVX512 is supported. */
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if (avx512_enabled ())
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{
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__m512i zmm = _mm512_setzero_si512 ();
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__m512i ret = audit_test (zmm, zmm, zmm, zmm, zmm, zmm, zmm, zmm);
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zmm = _mm512_set1_epi64 (0x12349876);
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if (memcmp (&zmm, &ret, sizeof (ret)))
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abort ();
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}
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return 0;
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return tst_audit10_aux ();
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else
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return 77;
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}
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#else
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static int
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do_test (void)
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{
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return 0;
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}
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#endif
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#define TEST_FUNCTION do_test ()
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#include "../../test-skeleton.c"
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39
sysdeps/x86_64/tst-audit4-aux.c
Normal file
39
sysdeps/x86_64/tst-audit4-aux.c
Normal file
@ -0,0 +1,39 @@
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/* Test case for preserved AVX registers in dynamic linker, -mavx part.
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Copyright (C) 2009-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <immintrin.h>
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#include <stdlib.h>
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#include <string.h>
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extern __m256i audit_test (__m256i, __m256i, __m256i, __m256i,
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__m256i, __m256i, __m256i, __m256i);
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int
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tst_audit4_aux (void)
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{
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#ifdef __AVX__
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__m256i ymm = _mm256_setzero_si256 ();
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__m256i ret = audit_test (ymm, ymm, ymm, ymm, ymm, ymm, ymm, ymm);
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ymm = _mm256_set1_epi32 (0x12349876);
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if (memcmp (&ymm, &ret, sizeof (ret)))
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abort ();
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return 0;
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#else /* __AVX__ */
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return 77;
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#endif /* __AVX__ */
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}
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@ -1,11 +1,24 @@
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/* Test case for x86-64 preserved registers in dynamic linker. */
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/* Test case for preserved AVX registers in dynamic linker.
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Copyright (C) 2009-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifdef __AVX__
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#include <stdlib.h>
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#include <string.h>
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#include <cpuid.h>
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#include <immintrin.h>
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int tst_audit4_aux (void);
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static int
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avx_enabled (void)
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@ -22,31 +35,15 @@ avx_enabled (void)
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return (eax & 6) == 6;
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}
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extern __m256i audit_test (__m256i, __m256i, __m256i, __m256i,
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__m256i, __m256i, __m256i, __m256i);
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static int
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do_test (void)
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{
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/* Run AVX test only if AVX is supported. */
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if (avx_enabled ())
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{
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__m256i ymm = _mm256_setzero_si256 ();
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__m256i ret = audit_test (ymm, ymm, ymm, ymm, ymm, ymm, ymm, ymm);
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ymm = _mm256_set1_epi32 (0x12349876);
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if (memcmp (&ymm, &ret, sizeof (ret)))
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abort ();
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}
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return 0;
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return tst_audit4_aux ();
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else
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return 77;
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}
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#else
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static int
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do_test (void)
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{
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return 0;
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}
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#endif
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#define TEST_FUNCTION do_test ()
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#include "../../test-skeleton.c"
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