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[Bug target/64453] Live high register not saved in function prolog on ARM with -Os
- From: "thopre01 at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 14 Jan 2015 11:52:13 +0000
- Subject: [Bug target/64453] Live high register not saved in function prolog on ARM with -Os
- Auto-submitted: auto-generated
- References: <bug-64453-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64453
--- Comment #1 from thopre01 at gcc dot gnu.org ---
Author: thopre01
Date: Wed Jan 14 11:51:40 2015
New Revision: 219592
URL: https://gcc.gnu.org/viewcvs?rev=219592&root=gcc&view=rev
Log:
2015-01-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
gcc/
PR target/64453
* config/arm/arm.c (callee_saved_reg_p): Define.
(arm_compute_save_reg0_reg12_mask): Use callee_saved_reg_p to check if
register is callee saved instead of !call_used_regs[reg].
(thumb1_compute_save_reg_mask): Likewise.
gcc/testsuite/
PR target/64453
* gcc.target/arm/pr64453.c: New.
Added:
trunk/gcc/testsuite/gcc.target/arm/pr64453.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/arm/arm.c
trunk/gcc/testsuite/ChangeLog