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authorLucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>2022-08-05 11:15:22 -0300
committerDaniel Henrique Barboza <danielhb413@gmail.com>2022-08-31 14:08:05 -0300
commit08e185cadb24b038574dad676d4dae8488ba8b6e (patch)
treec7e29faf9a3e75f097899d53efcd25d5ee33a486 /hw/timer/omap_gptimer.c
parentc40da5c6fb6dd243e906900de1d22cf20e32a8cd (diff)
downloadfocaccia-qemu-08e185cadb24b038574dad676d4dae8488ba8b6e.tar.gz
focaccia-qemu-08e185cadb24b038574dad676d4dae8488ba8b6e.zip
target/ppc: Bugfix FP when OE/UE are set
When an overflow exception occurs and OE is set the intermediate result
should be adjusted (by subtracting from the exponent) to avoid rounding
to inf. The same applies to an underflow exceptionion and UE (but adding
to the exponent). To do this set the fp_status.rebias_overflow when OE
is set and fp_status.rebias_underflow when UE is set as the FPU will
recalculate in case of a overflow/underflow if the according rebias* is
set.

Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220805141522.412864-3-lucas.araujo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'hw/timer/omap_gptimer.c')
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