diff options
Diffstat (limited to 'sysdeps/ia64/memcpy.S')
| -rw-r--r-- | sysdeps/ia64/memcpy.S | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sysdeps/ia64/memcpy.S b/sysdeps/ia64/memcpy.S index caa1aa058a..5dcceaafa3 100644 --- a/sysdeps/ia64/memcpy.S +++ b/sysdeps/ia64/memcpy.S @@ -1,6 +1,6 @@ /* Optimized version of the standard memcpy() function. This file is part of the GNU C Library. - Copyright (C) 2000 Free Software Foundation, Inc. + Copyright (C) 2000, 2001 Free Software Foundation, Inc. Contributed by Dan Pop <Dan.Pop@cern.ch>. The GNU C Library is free software; you can redistribute it and/or @@ -40,7 +40,6 @@ #define OP_T_THRES 16 #define OPSIZ 8 -#define saved_pfs r14 #define adest r15 #define saved_pr r17 #define saved_lc r18 @@ -70,13 +69,17 @@ br.cond.sptk .cpyfew ; /* deal with the remaining bytes */ ENTRY(memcpy) - alloc saved_pfs = ar.pfs, 3, 16 - 3, 0, 16 + .prologue + alloc r2 = ar.pfs, 3, 16 - 3, 0, 16 #include "softpipe.h" .rotr r[MEMLAT + 2], q[MEMLAT + 1] .rotp p[MEMLAT + 2] mov ret0 = in0 // return value = dest + .save pr, saved_pr mov saved_pr = pr // save the predicate registers + .save ar.lc, saved_lc mov saved_lc = ar.lc // save the loop counter + .body or tmp3 = in0, in1 ;; // tmp3 = dest | src or tmp3 = tmp3, in2 // tmp3 = dest | src | len mov dest = in0 // dest @@ -112,7 +115,6 @@ ENTRY(memcpy) (p[MEMLAT]) st8 [adest] = q[MEMLAT], 16 br.ctop.dptk .l0 ;; - mov ar.pfs = saved_pfs // restore the PFS mov pr = saved_pr, -1 // restore the predicate registers mov ar.lc = saved_lc // restore the loop counter br.ret.sptk.many b0 @@ -182,7 +184,6 @@ ENTRY(memcpy) st1 [dest] = value, 1 br.cloop.dptk .l4 ;; .restore_and_exit: - mov ar.pfs = saved_pfs // restore the PFS mov pr = saved_pr, -1 // restore the predicate registers mov ar.lc = saved_lc // restore the loop counter br.ret.sptk.many b0 |