diff options
Diffstat (limited to 'arch/mips/lib/memcpy.S')
| -rw-r--r-- | arch/mips/lib/memcpy.S | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S index 65192c06781..c5c40dad0bb 100644 --- a/arch/mips/lib/memcpy.S +++ b/arch/mips/lib/memcpy.S @@ -156,15 +156,15 @@ #ifdef CONFIG_CPU_LITTLE_ENDIAN #define LDFIRST LOADR -#define LDREST LOADL +#define LDREST LOADL #define STFIRST STORER -#define STREST STOREL +#define STREST STOREL #define SHIFT_DISCARD SLLV #else #define LDFIRST LOADL -#define LDREST LOADR +#define LDREST LOADR #define STFIRST STOREL -#define STREST STORER +#define STREST STORER #define SHIFT_DISCARD SRLV #endif @@ -235,7 +235,7 @@ __copy_user_common: * src and dst are aligned; need to compute rem */ .Lboth_aligned: - SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter + SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter beqz t0, .Lcleanup_both_aligned # len < 8*NBYTES and rem, len, (8*NBYTES-1) # rem = len % (8*NBYTES) PREF( 0, 3*32(src) ) @@ -313,7 +313,7 @@ EXC( STORE t0, 0(dst), .Ls_exc_p1u) /* * src and dst are aligned, need to copy rem bytes (rem < NBYTES) * A loop would do only a byte at a time with possible branch - * mispredicts. Can't do an explicit LOAD dst,mask,or,STORE + * mispredicts. Can't do an explicit LOAD dst,mask,or,STORE * because can't assume read-access to dst. Instead, use * STREST dst, which doesn't require read access to dst. * @@ -327,7 +327,7 @@ EXC( STORE t0, 0(dst), .Ls_exc_p1u) li bits, 8*NBYTES SLL rem, len, 3 # rem = number of bits to keep EXC( LOAD t0, 0(src), .Ll_exc) - SUB bits, bits, rem # bits = number of bits to discard + SUB bits, bits, rem # bits = number of bits to discard SHIFT_DISCARD t0, t0, bits EXC( STREST t0, -1(t1), .Ls_exc) jr ra @@ -343,7 +343,7 @@ EXC( STREST t0, -1(t1), .Ls_exc) * Set match = (src and dst have same alignment) */ #define match rem -EXC( LDFIRST t3, FIRST(0)(src), .Ll_exc) +EXC( LDFIRST t3, FIRST(0)(src), .Ll_exc) ADD t2, zero, NBYTES EXC( LDREST t3, REST(0)(src), .Ll_exc_copy) SUB t2, t2, t1 # t2 = number of bytes copied @@ -357,10 +357,10 @@ EXC( STFIRST t3, FIRST(0)(dst), .Ls_exc) ADD src, src, t2 .Lsrc_unaligned_dst_aligned: - SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter + SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter PREF( 0, 3*32(src) ) beqz t0, .Lcleanup_src_unaligned - and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES + and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES PREF( 1, 3*32(dst) ) 1: /* @@ -370,13 +370,13 @@ EXC( STFIRST t3, FIRST(0)(dst), .Ls_exc) * are to the same unit (unless src is aligned, but it's not). */ R10KCBARRIER(0(ra)) -EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc) -EXC( LDFIRST t1, FIRST(1)(src), .Ll_exc_copy) - SUB len, len, 4*NBYTES +EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc) +EXC( LDFIRST t1, FIRST(1)(src), .Ll_exc_copy) + SUB len, len, 4*NBYTES EXC( LDREST t0, REST(0)(src), .Ll_exc_copy) EXC( LDREST t1, REST(1)(src), .Ll_exc_copy) -EXC( LDFIRST t2, FIRST(2)(src), .Ll_exc_copy) -EXC( LDFIRST t3, FIRST(3)(src), .Ll_exc_copy) +EXC( LDFIRST t2, FIRST(2)(src), .Ll_exc_copy) +EXC( LDFIRST t3, FIRST(3)(src), .Ll_exc_copy) EXC( LDREST t2, REST(2)(src), .Ll_exc_copy) EXC( LDREST t3, REST(3)(src), .Ll_exc_copy) PREF( 0, 9*32(src) ) # 0 is PREF_LOAD (not streamed) @@ -388,7 +388,7 @@ EXC( STORE t0, UNIT(0)(dst), .Ls_exc_p4u) EXC( STORE t1, UNIT(1)(dst), .Ls_exc_p3u) EXC( STORE t2, UNIT(2)(dst), .Ls_exc_p2u) EXC( STORE t3, UNIT(3)(dst), .Ls_exc_p1u) - PREF( 1, 9*32(dst) ) # 1 is PREF_STORE (not streamed) + PREF( 1, 9*32(dst) ) # 1 is PREF_STORE (not streamed) .set reorder /* DADDI_WAR */ ADD dst, dst, 4*NBYTES bne len, rem, 1b @@ -502,7 +502,7 @@ EXC( lb t1, 0(src), .Ll_exc) #define SEXC(n) \ - .set reorder; /* DADDI_WAR */ \ + .set reorder; /* DADDI_WAR */ \ .Ls_exc_p ## n ## u: \ ADD len, len, n*NBYTES; \ jr ra; \ |