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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-11-09 09:29:23 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-12-01 16:33:10 -0800 |
| commit | 54967b02c192f893e0f23481c865dd8abcb74018 (patch) | |
| tree | 1e75845ab61a36fa0800d8459e20ac5868c6bd77 /gcc/tree-eh.h | |
| parent | e0f5e7926789f2ddeabb5b0266958532a43cc155 (diff) | |
| download | gcc-54967b02c192f893e0f23481c865dd8abcb74018.zip gcc-54967b02c192f893e0f23481c865dd8abcb74018.tar.gz gcc-54967b02c192f893e0f23481c865dd8abcb74018.tar.bz2 | |
x86: Add -mneeded for GNU_PROPERTY_X86_ISA_1_V[234] marker
GCC 11 supports -march=x86-64-v[234] to enable x86 micro-architecture ISA
levels:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97250
Binutils has been updated to support GNU_PROPERTY_X86_ISA_1_V[234] marker:
https://gitlab.com/x86-psABIs/x86-64-ABI/-/merge_requests/13
with
commit b0ab06937385e0ae25cebf1991787d64f439bf12
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 30 06:49:57 2020 -0700
x86: Support GNU_PROPERTY_X86_ISA_1_BASELINE marker
and
commit 32930e4edbc06bc6f10c435dbcc63131715df678
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 9 05:05:57 2020 -0700
x86: Support GNU_PROPERTY_X86_ISA_1_V[234] marker
in x86 ELF binaries.
Add -mneeded to emit GNU_PROPERTY_X86_ISA_1_NEEDED property to indicate
the micro-architecture ISA level required to execute the binary.
gcc/
* config.gcc: Replace cet.o with gnu-property.o. Replace
i386/t-cet with i386/t-gnu-property.
* config/i386/cet.c: Renamed to ...
* config/i386/gnu-property.c: This.
(emit_gnu_property): New function.
(file_end_indicate_exec_stack_and_cet): Renamed to ...
(file_end_indicate_exec_stack_and_gnu_property): This. Call
emit_gnu_property to generate GNU_PROPERTY_X86_FEATURE_1_AND and
GNU_PROPERTY_X86_ISA_1_NEEDED properties.
* config/i386/i386.opt (mneeded): New.
* config/i386/linux-common.h (file_end_indicate_exec_stack_and_cet):
Renamed to ...
(file_end_indicate_exec_stack_and_gnu_property): This.
(TARGET_ASM_FILE_END): Updated.
* config/i386/t-cet: Renamed to ...
* config/i386/t-gnu-property: This.
(cet.o): Renamed to ...
(gnu-property.o): This.
* doc/invoke.texi: Document -mneeded.
gcc/testsuite/
* gcc.target/i386/x86-needed-1.c: New test.
* gcc.target/i386/x86-needed-2.c: Likewise.
* gcc.target/i386/x86-needed-3.c: Likewise.
Diffstat (limited to 'gcc/tree-eh.h')
0 files changed, 0 insertions, 0 deletions