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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-12-10 08:26:56 -0600 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2025-06-30 07:42:37 -0600 |
| commit | 33fcebadd04ab420a485f864bda651b8b360472d (patch) | |
| tree | 98145e8eb2b783cdd39ce187241fc3adf1a8f46d | |
| parent | d4d441e3a1c9f485a27662890ec7c009a056fda8 (diff) | |
| download | qemu-33fcebadd04ab420a485f864bda651b8b360472d.zip qemu-33fcebadd04ab420a485f864bda651b8b360472d.tar.gz qemu-33fcebadd04ab420a485f864bda651b8b360472d.tar.bz2 | |
tcg/optimize: Build and use z_bits and o_bits in fold_eqv
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | tcg/optimize.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index 123734b..6d35a2e 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1093,6 +1093,12 @@ static bool fold_masks_zosa(OptContext *ctx, TCGOp *op, uint64_t z_mask, return true; } +static bool fold_masks_zos(OptContext *ctx, TCGOp *op, + uint64_t z_mask, uint64_t o_mask, uint64_t s_mask) +{ + return fold_masks_zosa(ctx, op, z_mask, o_mask, s_mask, -1); +} + static bool fold_masks_zs(OptContext *ctx, TCGOp *op, uint64_t z_mask, uint64_t s_mask) { @@ -1916,7 +1922,7 @@ static bool fold_dup2(OptContext *ctx, TCGOp *op) static bool fold_eqv(OptContext *ctx, TCGOp *op) { - uint64_t s_mask; + uint64_t z_mask, o_mask, s_mask; TempOptInfo *t1, *t2; if (fold_const2_commutative(ctx, op) || @@ -1946,8 +1952,12 @@ static bool fold_eqv(OptContext *ctx, TCGOp *op) } t1 = arg_info(op->args[1]); + + z_mask = (t1->z_mask | ~t2->o_mask) & (t2->z_mask | ~t1->o_mask); + o_mask = ~(t1->z_mask | t2->z_mask) | (t1->o_mask & t2->o_mask); s_mask = t1->s_mask & t2->s_mask; - return fold_masks_s(ctx, op, s_mask); + + return fold_masks_zos(ctx, op, z_mask, o_mask, s_mask); } static bool fold_extract(OptContext *ctx, TCGOp *op) |