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tcg/optimize: Save o_mask in fold_masks_zosa_int

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When adding o_mask to this function, we used it in a
couple of places but failed to save it for future use.
Also, update a related comment.

Cc: qemu-stable@nongnu.org
Fixes: 56f15f67ea ("tcg/optimize: Add one's mask to TempOptInfo")
Reported-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit 7d2d577de0c72f3cf2eb43f1534e908070d3bc47)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Richard Henderson 2026-01-07 09:51:38 +11:00 • committed by Michael Tokarev
parent d6b9de8f9e
commit 682e043b17
1 changed files with 2 additions and 1 deletions
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3
tcg/optimize.c
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@ -1088,8 +1088,9 @@ static bool fold_masks_zosa_int(OptContext *ctx, TCGOp *op,
ti = ts_info(ts);
ti->z_mask = z_mask;
ti->o_mask = o_mask;
/* Canonicalize s_mask and incorporate data from z_mask. */
/* Canonicalize s_mask and incorporate data from [zo]_mask. */
rep = clz64(~s_mask);
rep = MAX(rep, clz64(z_mask));
rep = MAX(rep, clz64(~o_mask));