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| author | Michael Meissner <meissner@linux.ibm.com> | 2019-10-23 20:53:08 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 2019-10-23 20:53:08 +0000 |
| commit | ca06b86c2fda0d21f44f047983528a9723cb6fea (patch) | |
| tree | c9f88b3e63627ee7a8cf17799c6340eff9d57c1d /gcc/fortran | |
| parent | 0998d2fd59e7a5eb3a3566c57625702bbdc6a05f (diff) | |
| download | gcc-ca06b86c2fda0d21f44f047983528a9723cb6fea.zip gcc-ca06b86c2fda0d21f44f047983528a9723cb6fea.tar.gz gcc-ca06b86c2fda0d21f44f047983528a9723cb6fea.tar.bz2 | |
Rework how prefixed instruction length is calculated.
2019-10-23 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/rs6000-protos.h (rs6000_adjust_insn_length): New
declaration.
* config/rs6000/rs6000.c (rs6000_insn_cost): Use num_insns insn
attribute if it exists, rather than the insn size. If we use the
insn size, adjust the size to remove the extra size that prefixed
instructions take.
(rs6000_adjust_insn_length): New function.
* config/rs6000/rs6000.h (ADJUST_INSN_LENGTH): New target hook to
update the instruction sized if prefixed instructions are used.
* config/rs6000/rs6000.md (prefixed_length attribute): Delete.
(non_prefixed_length attribute): Delete.
(num_insns attribute): New insn attribute to return the number of
instructions.
(max_prefixed_insns attribute): New insn attribute to return the
maximum number of prefixed instructions in an insn.
(length attribute): Do not adjust for prefix instructions here,
punt to ADJUST_INSN_LENGTH.
(mov<mode>_64bit): Set max_prefixed_insns and num_insns.
(movtd_64bit_nodm): Set max_prefixed_insns and num_insns.
(mov<mode>_ppc64): Set max_prefixed_insns and num_insns.
* config/rs6000/vsx.md: (vsx_mov<mode>_64bit): Set
max_prefixed_insns and num_insns.
From-SVN: r277352
Diffstat (limited to 'gcc/fortran')
0 files changed, 0 insertions, 0 deletions