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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-12-08 20:16:38 -0600 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-12-24 08:32:15 -0800 |
| commit | 322027841f2e35adef592e28ee1288d90232185f (patch) | |
| tree | 175baad7194e82834cc2cbb69f9c6a0e707bd754 /tcg | |
| parent | 08abe2908fa597fb3af298408c261e17378c54d6 (diff) | |
| download | qemu-322027841f2e35adef592e28ee1288d90232185f.zip qemu-322027841f2e35adef592e28ee1288d90232185f.tar.gz qemu-322027841f2e35adef592e28ee1288d90232185f.tar.bz2 | |
tcg/optimize: Use fold_masks_zs in fold_movcond
Avoid the use of the OptContext slots. Find TempOptInfo once.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/optimize.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index f62e7ad..0104582 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1889,6 +1889,8 @@ static bool fold_mov(OptContext *ctx, TCGOp *op) static bool fold_movcond(OptContext *ctx, TCGOp *op) { + uint64_t z_mask, s_mask; + TempOptInfo *tt, *ft; int i; /* If true and false values are the same, eliminate the cmp. */ @@ -1910,14 +1912,14 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op) return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[4 - i]); } - ctx->z_mask = arg_info(op->args[3])->z_mask - | arg_info(op->args[4])->z_mask; - ctx->s_mask = arg_info(op->args[3])->s_mask - & arg_info(op->args[4])->s_mask; + tt = arg_info(op->args[3]); + ft = arg_info(op->args[4]); + z_mask = tt->z_mask | ft->z_mask; + s_mask = tt->s_mask & ft->s_mask; - if (arg_is_const(op->args[3]) && arg_is_const(op->args[4])) { - uint64_t tv = arg_info(op->args[3])->val; - uint64_t fv = arg_info(op->args[4])->val; + if (ti_is_const(tt) && ti_is_const(ft)) { + uint64_t tv = ti_const_val(tt); + uint64_t fv = ti_const_val(ft); TCGOpcode opc, negopc = 0; TCGCond cond = op->args[5]; @@ -1956,7 +1958,8 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op) } } } - return false; + + return fold_masks_zs(ctx, op, z_mask, s_mask); } static bool fold_mul(OptContext *ctx, TCGOp *op) |