| commit | 2f49a7a00437bd380e305cd518611422ce03af9c | |
| author | mshawcroft <mshawcroft@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Mon, 30 Jun 2014 07:54:59 +0000 (30 07:54 +0000) | ||
| committer | mshawcroft <mshawcroft@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Mon, 30 Jun 2014 07:54:59 +0000 (30 07:54 +0000) | ||
| tree | 7fa66772c1b413d0a1c56cfa5ab2674e9a947586 | treesnapshot (tar.gz zip) |
| parent | 1235e04882cca45a611e99134b613df66684cf25 | commitdiff |
[AArch64] Fix register clobber in, aarch64_ashr_sisd_or_int_<mode>3 split.
PR target/61633
The two split patterns associated with
aarch64_ashr_sisd_or_int_<mode>3 split the instruction into a NEG
followed by an SHL. The split uses one of the input operands as a
scratch register to hold the output of the NEG resulting in register
corruption.
This patch adjusts the splits to use the output operand as the scratch
register.
2014-06-30 Marcus Shawcroft <marcus.shawcroft@arm.com>
PR target/61633
* config/aarch64/aarch64.md (*aarch64_ashr_sisd_or_int_<mode>3):
Add alternative; make early clobber. Adjust both split patterns
to use operand 0 as the working register.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@212137 138bc75d-0d04-0410-961f-82ee72b054a4
PR target/61633
The two split patterns associated with
aarch64_ashr_sisd_or_int_<mode>3 split the instruction into a NEG
followed by an SHL. The split uses one of the input operands as a
scratch register to hold the output of the NEG resulting in register
corruption.
This patch adjusts the splits to use the output operand as the scratch
register.
2014-06-30 Marcus Shawcroft <marcus.shawcroft@arm.com>
PR target/61633
* config/aarch64/aarch64.md (*aarch64_ashr_sisd_or_int_<mode>3):
Add alternative; make early clobber. Adjust both split patterns
to use operand 0 as the working register.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@212137 138bc75d-0d04-0410-961f-82ee72b054a4
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| gcc/config/aarch64/aarch64.md | diffblobblamehistory |