diff options
Diffstat (limited to 'arch/s390/lib/xor.c')
| -rw-r--r-- | arch/s390/lib/xor.c | 61 |
1 files changed, 29 insertions, 32 deletions
diff --git a/arch/s390/lib/xor.c b/arch/s390/lib/xor.c index fb924a8041dc..ce7bcf7c0032 100644 --- a/arch/s390/lib/xor.c +++ b/arch/s390/lib/xor.c @@ -15,7 +15,6 @@ static void xor_xc_2(unsigned long bytes, unsigned long * __restrict p1, const unsigned long * __restrict p2) { asm volatile( - " larl 1,2f\n" " aghi %0,-1\n" " jm 3f\n" " srlg 0,%0,8\n" @@ -25,12 +24,12 @@ static void xor_xc_2(unsigned long bytes, unsigned long * __restrict p1, " la %1,256(%1)\n" " la %2,256(%2)\n" " brctg 0,0b\n" - "1: ex %0,0(1)\n" + "1: exrl %0,2f\n" " j 3f\n" "2: xc 0(1,%1),0(%2)\n" "3:\n" : : "d" (bytes), "a" (p1), "a" (p2) - : "0", "1", "cc", "memory"); + : "0", "cc", "memory"); } static void xor_xc_3(unsigned long bytes, unsigned long * __restrict p1, @@ -38,9 +37,8 @@ static void xor_xc_3(unsigned long bytes, unsigned long * __restrict p1, const unsigned long * __restrict p3) { asm volatile( - " larl 1,2f\n" " aghi %0,-1\n" - " jm 3f\n" + " jm 4f\n" " srlg 0,%0,8\n" " ltgr 0,0\n" " jz 1f\n" @@ -50,14 +48,14 @@ static void xor_xc_3(unsigned long bytes, unsigned long * __restrict p1, " la %2,256(%2)\n" " la %3,256(%3)\n" " brctg 0,0b\n" - "1: ex %0,0(1)\n" - " ex %0,6(1)\n" - " j 3f\n" + "1: exrl %0,2f\n" + " exrl %0,3f\n" + " j 4f\n" "2: xc 0(1,%1),0(%2)\n" - " xc 0(1,%1),0(%3)\n" - "3:\n" + "3: xc 0(1,%1),0(%3)\n" + "4:\n" : "+d" (bytes), "+a" (p1), "+a" (p2), "+a" (p3) - : : "0", "1", "cc", "memory"); + : : "0", "cc", "memory"); } static void xor_xc_4(unsigned long bytes, unsigned long * __restrict p1, @@ -66,9 +64,8 @@ static void xor_xc_4(unsigned long bytes, unsigned long * __restrict p1, const unsigned long * __restrict p4) { asm volatile( - " larl 1,2f\n" " aghi %0,-1\n" - " jm 3f\n" + " jm 5f\n" " srlg 0,%0,8\n" " ltgr 0,0\n" " jz 1f\n" @@ -80,16 +77,16 @@ static void xor_xc_4(unsigned long bytes, unsigned long * __restrict p1, " la %3,256(%3)\n" " la %4,256(%4)\n" " brctg 0,0b\n" - "1: ex %0,0(1)\n" - " ex %0,6(1)\n" - " ex %0,12(1)\n" - " j 3f\n" + "1: exrl %0,2f\n" + " exrl %0,3f\n" + " exrl %0,4f\n" + " j 5f\n" "2: xc 0(1,%1),0(%2)\n" - " xc 0(1,%1),0(%3)\n" - " xc 0(1,%1),0(%4)\n" - "3:\n" + "3: xc 0(1,%1),0(%3)\n" + "4: xc 0(1,%1),0(%4)\n" + "5:\n" : "+d" (bytes), "+a" (p1), "+a" (p2), "+a" (p3), "+a" (p4) - : : "0", "1", "cc", "memory"); + : : "0", "cc", "memory"); } static void xor_xc_5(unsigned long bytes, unsigned long * __restrict p1, @@ -101,7 +98,7 @@ static void xor_xc_5(unsigned long bytes, unsigned long * __restrict p1, asm volatile( " larl 1,2f\n" " aghi %0,-1\n" - " jm 3f\n" + " jm 6f\n" " srlg 0,%0,8\n" " ltgr 0,0\n" " jz 1f\n" @@ -115,19 +112,19 @@ static void xor_xc_5(unsigned long bytes, unsigned long * __restrict p1, " la %4,256(%4)\n" " la %5,256(%5)\n" " brctg 0,0b\n" - "1: ex %0,0(1)\n" - " ex %0,6(1)\n" - " ex %0,12(1)\n" - " ex %0,18(1)\n" - " j 3f\n" + "1: exrl %0,2f\n" + " exrl %0,3f\n" + " exrl %0,4f\n" + " exrl %0,5f\n" + " j 6f\n" "2: xc 0(1,%1),0(%2)\n" - " xc 0(1,%1),0(%3)\n" - " xc 0(1,%1),0(%4)\n" - " xc 0(1,%1),0(%5)\n" - "3:\n" + "3: xc 0(1,%1),0(%3)\n" + "4: xc 0(1,%1),0(%4)\n" + "5: xc 0(1,%1),0(%5)\n" + "6:\n" : "+d" (bytes), "+a" (p1), "+a" (p2), "+a" (p3), "+a" (p4), "+a" (p5) - : : "0", "1", "cc", "memory"); + : : "0", "cc", "memory"); } struct xor_block_template xor_block_xc = { |