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optimize.c

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3 years ago

tcg/optimize: Fix folding of vector ops · c578ff18

Bitwise operations are easy to fold, because the operation is
identical regardless of element size.  But add and sub need
extra element size info that is not currently propagated.

Fixes: 2f9f08ba
Cc: qemu-stable@nongnu.org
Resolves: qemu-project/qemu#799


Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

c578ff18

History

tcg/optimize: Fix folding of vector ops

Richard Henderson authored 3 years ago

Bitwise operations are easy to fold, because the operation is
identical regardless of element size.  But add and sub need
extra element size info that is not currently propagated.

Fixes: 2f9f08ba
Cc: qemu-stable@nongnu.org
Resolves: qemu-project/qemu#799


Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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