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ada63d4074
The __asmeq macro is used inside inline asm statements to ensure that register asm variables that explicitly specify a register are mapped correctly onto those registers when used in inline asm input and output constraints. However, the string based matching fails to take into account that 'fp' is often referred to as 'r11' and 'ip' is often referred to as 'r12', (e.g., by clang), causing false negatives. Fix this by making __asmeq consider the ("fp","r11"), ("r11","fp"), ("ip","r12") and ("r12","ip") cases specifically. Reviewed-by: Alex Elder <elder@linaro.org> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> |
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uapi/asm |