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[Bug target/70738] Add -mgeneral-regs-only option
- From: "uros at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 25 May 2016 18:59:21 +0000
- Subject: [Bug target/70738] Add -mgeneral-regs-only option
- Auto-submitted: auto-generated
- References: <bug-70738-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70738
--- Comment #6 from uros at gcc dot gnu.org ---
Author: uros
Date: Wed May 25 18:58:49 2016
New Revision: 236738
URL: https://gcc.gnu.org/viewcvs?rev=236738&root=gcc&view=rev
Log:
PR target/70738
* common/config/i386/i386-common.c
(OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
(ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
* config/i386/i386.opt (ix86_target_flags): Add new Variable.
(-mgeneral-regs-only): Add new option.
* config/i386/i386.c (ix86_option_override_internal): Don't enable
x87 instructions if only general registers are allowed.
(ix86_target_string): Add ix86_flags argument. Handle additional
flags options through ix86_flags argument. Update all callers.
* doc/invoke.texi: Document -mgeneral-regs-only.
testsuite/ChangeLog:
PR target/70738
* gcc.target/i386/pr70738-1.c: New test.
* gcc.target/i386/pr70738-2.c: Likewise.
* gcc.target/i386/pr70738-3.c: Likewise.
* gcc.target/i386/pr70738-4.c: Likewise.
* gcc.target/i386/pr70738-5.c: Likewise.
* gcc.target/i386/pr70738-6.c: Likewise.
* gcc.target/i386/pr70738-7.c: Likewise.
* gcc.target/i386/pr70738-8.c: Likewise.
* gcc.target/i386/pr70738-9.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr70738-1.c
trunk/gcc/testsuite/gcc.target/i386/pr70738-2.c
trunk/gcc/testsuite/gcc.target/i386/pr70738-3.c
trunk/gcc/testsuite/gcc.target/i386/pr70738-4.c
trunk/gcc/testsuite/gcc.target/i386/pr70738-5.c
trunk/gcc/testsuite/gcc.target/i386/pr70738-6.c
trunk/gcc/testsuite/gcc.target/i386/pr70738-7.c
trunk/gcc/testsuite/gcc.target/i386/pr70738-8.c
trunk/gcc/testsuite/gcc.target/i386/pr70738-9.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/common/config/i386/i386-common.c
trunk/gcc/config/i386/i386.c
trunk/gcc/config/i386/i386.opt
trunk/gcc/doc/invoke.texi
trunk/gcc/testsuite/ChangeLog