| commit | ffb7d4b2b76746e4189979f9d27d80be2195308a | |
| author | Uros Bizjak <ubizjak@gmail.com> | |
| Fri, 14 Jan 2022 15:05:17 +0000 (14 16:05 +0100) | ||
| committer | Uros Bizjak <ubizjak@gmail.com> | |
| Fri, 14 Jan 2022 15:06:00 +0000 (14 16:06 +0100) | ||
| tree | ae834a6004344ddf3af22e40d7a208f9615f5503 | treesnapshot (tar.gz zip) |
| parent | 74abb0beb420830e52dfc6b3ee74e77dae8e31a3 | commitdiff |
i386: Mark some of strict_low_part insn constraints earlyclobbered
While there is practically impossible that input registers are matched
with in-out register, better mark the output operand of the split alternative
as earlyclobbered - we do output early to the output operand when
the insn is split.
2022-01-14 Uroš Bizjak <ubizjak@gmail.com>
gcc/ChangeLog:
* config/i386/i386.md (*add<mode>_1_slp"):
Mark alternative 1 output operand earlyclobbered.
(*sub<mode>_1_slp): Ditto.
(*and<mode>_1_slp): Ditto.
(*<code><mode>_1_slp): Ditto.
(*neg<mode>_1_slp): Ditto.
(*one_cmpl<mode>_1_slp): Ditto.
(*ashl<mode>3_1_slp): Ditto.
(*<insn><mode>3_1_slp): Ditto.
(*<insn><mode>3_1_slp): Ditto.
While there is practically impossible that input registers are matched
with in-out register, better mark the output operand of the split alternative
as earlyclobbered - we do output early to the output operand when
the insn is split.
2022-01-14 Uroš Bizjak <ubizjak@gmail.com>
gcc/ChangeLog:
* config/i386/i386.md (*add<mode>_1_slp"):
Mark alternative 1 output operand earlyclobbered.
(*sub<mode>_1_slp): Ditto.
(*and<mode>_1_slp): Ditto.
(*<code><mode>_1_slp): Ditto.
(*neg<mode>_1_slp): Ditto.
(*one_cmpl<mode>_1_slp): Ditto.
(*ashl<mode>3_1_slp): Ditto.
(*<insn><mode>3_1_slp): Ditto.
(*<insn><mode>3_1_slp): Ditto.
| gcc/config/i386/i386.md | diffblobblamehistory |