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| author | Heiko Carstens <hca@linux.ibm.com> | 2024-11-07 18:11:52 +0300 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2024-11-13 16:31:34 +0300 |
| commit | f62ad9073ae3f3a024a1abe7860d5356b2ec868e (patch) | |
| tree | 774399a3b147133bd44f5723adc9a9b41c46a522 /drivers/s390 | |
| parent | 6816e2124d6a23158af8eef27ca0b93c740e1634 (diff) | |
| download | linux-f62ad9073ae3f3a024a1abe7860d5356b2ec868e.tar.xz | |
s390/cio/qdio: Convert to use flag output macros
Use flag output macros in inline asm to allow for better code generation if
the compiler has support for the flag output constraint.
Reviewed-by: Juergen Christ <jchrist@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/cio/qdio_main.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index b711bb17f9da..07e82816b77a 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -17,6 +17,7 @@ #include <linux/atomic.h> #include <asm/debug.h> #include <asm/qdio.h> +#include <asm/asm.h> #include <asm/ipl.h> #include "cio.h" @@ -42,13 +43,12 @@ static inline int do_siga_sync(unsigned long schid, " lgr 2,%[out]\n" " lgr 3,%[in]\n" " siga 0\n" - " ipm %[cc]\n" - " srl %[cc],28\n" - : [cc] "=&d" (cc) + CC_IPM(cc) + : CC_OUT(cc, cc) : [fc] "d" (fc), [schid] "d" (schid), [out] "d" (out_mask), [in] "d" (in_mask) - : "cc", "0", "1", "2", "3"); - return cc; + : CC_CLOBBER_LIST("0", "1", "2", "3")); + return CC_TRANSFORM(cc); } static inline int do_siga_input(unsigned long schid, unsigned long mask, @@ -61,12 +61,11 @@ static inline int do_siga_input(unsigned long schid, unsigned long mask, " lgr 1,%[schid]\n" " lgr 2,%[mask]\n" " siga 0\n" - " ipm %[cc]\n" - " srl %[cc],28\n" - : [cc] "=&d" (cc) + CC_IPM(cc) + : CC_OUT(cc, cc) : [fc] "d" (fc), [schid] "d" (schid), [mask] "d" (mask) - : "cc", "0", "1", "2"); - return cc; + : CC_CLOBBER_LIST("0", "1", "2")); + return CC_TRANSFORM(cc); } /** @@ -93,13 +92,12 @@ static inline int do_siga_output(unsigned long schid, unsigned long mask, " lgr 3,%[aob]\n" " siga 0\n" " lgr %[fc],0\n" - " ipm %[cc]\n" - " srl %[cc],28\n" - : [cc] "=&d" (cc), [fc] "+&d" (fc) + CC_IPM(cc) + : CC_OUT(cc, cc), [fc] "+&d" (fc) : [schid] "d" (schid), [mask] "d" (mask), [aob] "d" (aob) - : "cc", "0", "1", "2", "3"); + : CC_CLOBBER_LIST("0", "1", "2", "3")); *bb = fc >> 31; - return cc; + return CC_TRANSFORM(cc); } /** |