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| author | Heiko Carstens <hca@linux.ibm.com> | 2021-06-17 20:11:40 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2021-06-28 11:18:28 +0200 |
| commit | 7e86f967f4c98a6ad2a8c33c39f041e2955c05c8 (patch) | |
| tree | a42add57934c2a1e6b8cfbf1b0c490159a71bb74 /arch/s390/lib | |
| parent | fcc91d5d40475a5d0ea8f6b63f6fe8a693fc2142 (diff) | |
| download | linux-7e86f967f4c98a6ad2a8c33c39f041e2955c05c8.tar.gz | |
s390/lib,xor: get rid of register asm
Looking at the generate code this was just a micro-optimization. However given that as many register asm constructs as possible will be removed from s390 code, remove this one as well. Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/lib')
| -rw-r--r-- | arch/s390/lib/xor.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/s390/lib/xor.c b/arch/s390/lib/xor.c index 29d9470dbceb..a963c3d8ad0d 100644 --- a/arch/s390/lib/xor.c +++ b/arch/s390/lib/xor.c @@ -91,9 +91,6 @@ static void xor_xc_4(unsigned long bytes, unsigned long *p1, unsigned long *p2, static void xor_xc_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, unsigned long *p3, unsigned long *p4, unsigned long *p5) { - /* Get around a gcc oddity */ - register unsigned long *reg7 asm ("7") = p5; - asm volatile( " larl 1,2f\n" " aghi %0,-1\n" @@ -122,7 +119,7 @@ static void xor_xc_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, " xc 0(1,%1),0(%5)\n" "3:\n" : "+d" (bytes), "+a" (p1), "+a" (p2), "+a" (p3), "+a" (p4), - "+a" (reg7) + "+a" (p5) : : "0", "1", "cc", "memory"); } |