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Re: [PATCH] tcg: Extend call args using the correct opcodes
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From: |
Philippe Mathieu-Daudé |
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Subject: |
Re: [PATCH] tcg: Extend call args using the correct opcodes |
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Date: |
Thu, 28 Oct 2021 20:59:51 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 |
On 10/28/21 20:44, Richard Henderson wrote:
> Pretending that the source is i64 when it is in fact i32 is
> incorrect; we have type-changing opcodes that must be used.
> This bug trips up the subsequent change to the optimizer.
>
> Fixes: 4f2331e5b67a
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>
> This fixes a problem found in s390x host testing, and should
> be considered patch 41.5/51 in
>
> [PATCH v4 00/51] tcg: optimize redundant sign extensions
>
> just before
>
> tcg/optimize: Stop forcing z_mask to "garbage" for 32-bit values
>
>
> r~
>
> ---
> tcg/tcg.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>