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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-10-23 23:44:27 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-02-03 23:43:50 +0000 |
| commit | ceb9ee06b719b3185183c72f818e75600c8e2607 (patch) | |
| tree | e2f3b09213d2955cd0fa108a3aa84dbf4c209072 /docs | |
| parent | 7e64b114d19d734dc0ecbf100e6adf18f0fb10e2 (diff) | |
tcg/optimize: Handle TCG_COND_TST{EQ,NE}
Fold constant comparisons.
Canonicalize "tst x,x" to equality vs zero.
Canonicalize "tst x,sign" to sign test vs zero.
Fold double-word comparisons with zero parts.
Fold setcond of "tst x,pow2" to a bit extract.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'docs')
0 files changed, 0 insertions, 0 deletions