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| author | Georg-Johann Lay <avr@gjlay.de> | 2012-09-28 08:21:06 +0000 |
|---|---|---|
| committer | Georg-Johann Lay <gjl@gcc.gnu.org> | 2012-09-28 08:21:06 +0000 |
| commit | 3fd1e31dc5e6b1017a0a49c1b6d17c1e1e268b27 (patch) | |
| tree | cb5b381dedfa92278ef86432edd69d0a6e334ac4 /gcc/fold-const.c | |
| parent | af710874e9402567635008a88279e9ab02227b2d (diff) | |
| download | gcc-3fd1e31dc5e6b1017a0a49c1b6d17c1e1e268b27.zip gcc-3fd1e31dc5e6b1017a0a49c1b6d17c1e1e268b27.tar.gz gcc-3fd1e31dc5e6b1017a0a49c1b6d17c1e1e268b27.tar.bz2 | |
re PR rtl-optimization/52543 (lower-subreg.c: code bloat of 300%-400% for multi-word memory splits)
PR rtl-optimization/52543
* config/avr/avr.c (avr_mode_dependent_address_p): Return true for
all non-generic address spaces.
(TARGET_SECONDARY_RELOAD): New hook define to...
(avr_secondary_reload): ...this new static function.
* config/avr/avr.md (reload_in<mode>): New insns.
Undo r185605 (mostly):
* config/avr/avr-protos.h (avr_load_lpm): Remove.
* config/avr/avr.c (avr_load_libgcc_p): Don't restrict to __flash loads.
(avr_out_lpm): Also handle loads > 1 byte.
(avr_load_lpm): Remove.
(avr_find_unused_d_reg): New static function.
(avr_out_lpm_no_lpmx): New static function.
(adjust_insn_length): Remove ADJUST_LEN_LOAD_LPM.
* config/avr/avr.md (unspec): Remove UNSPEC_LPM.
(load_<mode>_libgcc): Use MEM instead of UNSPEC_LPM.
(load_<mode>, load_<mode>_clobber): Remove.
(mov<mode>): For multi-byte move from non-generic
16-bit address spaces: Expand to *mov<mode> again.
(load<mode>_libgcc): New expander.
(split-lpmx): Remove split.
From-SVN: r191820
Diffstat (limited to 'gcc/fold-const.c')
0 files changed, 0 insertions, 0 deletions