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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 771c337..14d3d4d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,29 @@ +2012-01-10 Georg-Johann Lay <avr@gjlay.de> + + PR target/49868 + Extend __pgmx semantics to linearize memory. + * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to + determine if code comes inline or from libgcc. + (MOVMEM_r_d:HI): Add "w" to constraint for better preference. + (movmem_qi, movmem_qi): Set constraint #2 to "n". + (movmem_qi_elpm, movmem_hi_elpm): Remove insns. + (movmemx_qi, movmemx_hi): New insns. + (xload_<mode>_libgcc): Rewrite to new insn condition. + (xload_<mode>): Remove insns. + * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle + cases that don't satisfy avr_xload_libgcc_p(). + (avr_addr_space_convert): Allow converting in any direction. + (avr_addr_space_subset_p): Return always true. + (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics. + (avr_emit_movmemhi): Ditto. + (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more. + (avr_out_movmem): Ditto. + (AVR_SYMBOL_FLAG_PROGMEM): New macro. + (AVR_SYMBOL_SET_ADDR_SPACE): New macro. + (AVR_SYMBOL_GET_ADDR_SPACE): New macro. + (avr_encode_section_info): Encode 'progmem' in symbol flags. + (output_reload_in_const): Don't zero-extend any 24-bit symbols. + 2012-01-10 Richard Guenther <rguenther@suse.de> PR tree-optimization/50913 |