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| author | Uros Bizjak <ubizjak@gmail.com> | 2022-01-13 20:48:18 +0100 |
|---|---|---|
| committer | Uros Bizjak <ubizjak@gmail.com> | 2022-01-13 20:49:01 +0100 |
| commit | 7a7d8c3f6167fd45658ddbfa32adcfd2acc98eb4 (patch) | |
| tree | b03bb71ad0fcec2e37e4a3f7aa8ac094c9e365e6 /gcc/fold-const.c | |
| parent | b0e5163960eceab701a1a25dfa049e394fe5b3de (diff) | |
| download | gcc-7a7d8c3f6167fd45658ddbfa32adcfd2acc98eb4.zip gcc-7a7d8c3f6167fd45658ddbfa32adcfd2acc98eb4.tar.gz gcc-7a7d8c3f6167fd45658ddbfa32adcfd2acc98eb4.tar.bz2 | |
i386: Introduce V2QImode vectorized shifts [PR103861]
Add V2QImode shift operations and split them to synthesized
double HI/LO QImode operations with integer registers.
Also robustify arithmetic split patterns.
2022-01-13 Uroš Bizjak <ubizjak@gmail.com>
gcc/ChangeLog:
PR target/103861
* config/i386/i386.md (*ashlqi_ext<mode>_2): New insn pattern.
(*<any_shiftrt:insn>qi_ext<mode>_2): Ditto.
* config/i386/mmx.md (<any_shift:insn>v2qi):
New insn_and_split pattern.
gcc/testsuite/ChangeLog:
PR target/103861
* gcc.target/i386/pr103861.c (shl,ashr,lshr): New tests.
Diffstat (limited to 'gcc/fold-const.c')
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