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259acc5c25
The qsi inline assembly takes an initialized "cc" variable as output operand but specifies it as write-to operand only instead of read/write operand. This allows the compiler to omit the initialization, which in fact it also does (gcc 6.1). Use the "+" constraint modifier to fix this. In addition also use the Q constraint to specify the hws_qsi_info_block memory location, so the compiler can generate slightly better code. Also get rid of the cc clobber since none of the instructions within the inline assembly modify the condition code. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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asm | ||
uapi/asm |