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gcc48.8043
gcc48-pr65612.patch
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File gcc48-pr65612.patch of Package gcc48.8043
2015-04-17 H.J. Lu <hongjiu.lu@intel.com> PR target/65612 * config.host (tmake_file): Add t-slibgcc-libgcc for Linux/x86. * config/i386/cpuinfo.c (__cpu_model): Initialize. (__cpu_indicator_init@GCC_4.8.0): New. (__cpu_model@GCC_4.8.0): Likewise. * config/i386/t-linux (HOST_LIBGCC2_CFLAGS): Add -DUSE_ELF_SYMVER. * g++.dg/ext/mv18.C: New test. * g++.dg/ext/mv19.C: Likewise. * g++.dg/ext/mv20.C: Likewise. * g++.dg/ext/mv21.C: Likewise. * g++.dg/ext/mv22.C: Likewise. * g++.dg/ext/mv23.C: Likewise. Index: libgcc/config.host =================================================================== --- libgcc/config.host (revision 222177) +++ libgcc/config.host (revision 222178) @@ -1306,7 +1306,7 @@ i[34567]86-*-linux* | x86_64-*-linux* | i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu | \ i[34567]86-*-knetbsd*-gnu | \ i[34567]86-*-gnu*) - tmake_file="${tmake_file} t-tls i386/t-linux" + tmake_file="${tmake_file} t-tls i386/t-linux t-slibgcc-libgcc" if test "$libgcc_cv_cfi" = "yes"; then tmake_file="${tmake_file} t-stack i386/t-stack-i386" fi Index: libgcc/config/i386/cpuinfo.c =================================================================== --- libgcc/config/i386/cpuinfo.c (revision 222177) +++ libgcc/config/i386/cpuinfo.c (revision 222178) @@ -109,7 +109,7 @@ struct __processor_model unsigned int __cpu_type; unsigned int __cpu_subtype; unsigned int __cpu_features[1]; -} __cpu_model; +} __cpu_model = { }; /* Get the specific type of AMD CPU. */ @@ -424,3 +424,8 @@ __cpu_indicator_init (void) return 0; } + +#if defined SHARED && defined USE_ELF_SYMVER +__asm__ (".symver __cpu_indicator_init, __cpu_indicator_init@GCC_4.8.0"); +__asm__ (".symver __cpu_model, __cpu_model@GCC_4.8.0"); +#endif Index: libgcc/config/i386/t-linux =================================================================== --- libgcc/config/i386/t-linux (revision 222177) +++ libgcc/config/i386/t-linux (revision 222178) @@ -3,4 +3,4 @@ # t-slibgcc-elf-ver and t-linux SHLIB_MAPFILES = libgcc-std.ver $(srcdir)/config/i386/libgcc-glibc.ver -HOST_LIBGCC2_CFLAGS += -mlong-double-80 +HOST_LIBGCC2_CFLAGS += -mlong-double-80 -DUSE_ELF_SYMVER Index: gcc/testsuite/g++.dg/ext/mv20.C =================================================================== --- gcc/testsuite/g++.dg/ext/mv20.C (nonexistent) +++ gcc/testsuite/g++.dg/ext/mv20.C (revision 222178) @@ -0,0 +1,7 @@ +/* Test case to check if Multiversioning works. */ +/* { dg-do run { target i?86-*-* x86_64-*-* } } */ +/* { dg-require-ifunc "" } */ +/* { dg-require-effective-target pie } */ +/* { dg-options "-O2 -fPIE -pie -march=x86-64" } */ + +#include "mv15.C" Index: gcc/testsuite/g++.dg/ext/mv21.C =================================================================== --- gcc/testsuite/g++.dg/ext/mv21.C (nonexistent) +++ gcc/testsuite/g++.dg/ext/mv21.C (revision 222178) @@ -0,0 +1,7 @@ +/* Test case to check if Multiversioning works. */ +/* { dg-do run { target i?86-*-* x86_64-*-* } } */ +/* { dg-require-ifunc "" } */ +/* { dg-require-effective-target static } */ +/* { dg-options "-O2 -static" } */ + +#include "mv1.C" Index: gcc/testsuite/g++.dg/ext/mv22.C =================================================================== --- gcc/testsuite/g++.dg/ext/mv22.C (nonexistent) +++ gcc/testsuite/g++.dg/ext/mv22.C (revision 222178) @@ -0,0 +1,7 @@ +/* Test case to check if Multiversioning works. */ +/* { dg-do run { target i?86-*-* x86_64-*-* } } */ +/* { dg-require-ifunc "" } */ +/* { dg-require-effective-target static } */ +/* { dg-options "-O2 -static -march=x86-64" } */ + +#include "mv14.C" Index: gcc/testsuite/g++.dg/ext/mv23.C =================================================================== --- gcc/testsuite/g++.dg/ext/mv23.C (nonexistent) +++ gcc/testsuite/g++.dg/ext/mv23.C (revision 222178) @@ -0,0 +1,7 @@ +/* Test case to check if Multiversioning works. */ +/* { dg-do run { target i?86-*-* x86_64-*-* } } */ +/* { dg-require-ifunc "" } */ +/* { dg-require-effective-target static } */ +/* { dg-options "-O2 -static -march=x86-64" } */ + +#include "mv15.C" Index: gcc/testsuite/g++.dg/ext/mv18.C =================================================================== --- gcc/testsuite/g++.dg/ext/mv18.C (nonexistent) +++ gcc/testsuite/g++.dg/ext/mv18.C (revision 222178) @@ -0,0 +1,7 @@ +/* Test case to check if Multiversioning works. */ +/* { dg-do run { target i?86-*-* x86_64-*-* } } */ +/* { dg-require-ifunc "" } */ +/* { dg-require-effective-target pie } */ +/* { dg-options "-O2 -fPIE -pie" } */ + +#include "mv1.C" Index: gcc/testsuite/g++.dg/ext/mv19.C =================================================================== --- gcc/testsuite/g++.dg/ext/mv19.C (nonexistent) +++ gcc/testsuite/g++.dg/ext/mv19.C (revision 222178) @@ -0,0 +1,7 @@ +/* Test case to check if Multiversioning works. */ +/* { dg-do run { target i?86-*-* x86_64-*-* } } */ +/* { dg-require-ifunc "" } */ +/* { dg-require-effective-target pie } */ +/* { dg-options "-O2 -fPIE -pie -march=x86-64" } */ + +#include "mv14.C"
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