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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2019-04-16 12:20:52 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gcc.gnu.org> | 2019-04-16 12:20:52 +0200 |
| commit | 47d8cb2384790968a680935485a188e2ba7b33d2 (patch) | |
| tree | 6e4f62ffa3e870966c1117cbb0f0624264cfa9ea /gcc/c | |
| parent | 1ec86e1eaa90fb5cbce6a658ebd797f73b4cab6d (diff) | |
| download | gcc-47d8cb2384790968a680935485a188e2ba7b33d2.zip gcc-47d8cb2384790968a680935485a188e2ba7b33d2.tar.gz gcc-47d8cb2384790968a680935485a188e2ba7b33d2.tar.bz2 | |
[ARC] Refurb eliminate regs.
gcc/
xxxx-xx-xx Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
for last two fake registers.
(arc_conditional_register_usage): Make sure fake frame and arg
pointer regs are in general regs class.
(FRAME_POINTER_MASK): Remove.
(RETURN_ADDR_MASK): Remove.
(arc_must_save_register): Use hard frame regnum.
(frame_restore_reg): Use hard_frame_pointer_rtx.
(arc_save_callee_saves): Likewise.
(arc_restore_callee_saves): Likewise.
(arc_save_callee_enter): Likewise.
(arc_restore_callee_leave): Likewise.
(arc_save_callee_milli): Likewise.
(arc_eh_return_address_location): Likewise.
(arc_check_multi): Use hard frame regnum.
(arc_can_eliminate): Likewise.
* config/arc/arc.h (FIXED_REGISTERS): Make FP register available
for register allocator.
(REG_CLASS_CONTENTS): Update GENERAL_REGS.
(REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
(FRAME_POINTER_REGNUM): Change it to a fake register.
(HARD_FRAME_POINTER_REGNUM): Defined.
(ARG_POINTER_REGNUM): Change it to a new fake register.
(ELIMINABLE_REGS): Update.
(REGISTER_NAMES): Update names.
* config/arc/arc.md (LP_START): Remove.
(LP_END): Likewise.
(shift_si3_loop): Update pattern.
From-SVN: r270385
Diffstat (limited to 'gcc/c')
0 files changed, 0 insertions, 0 deletions