diff options
Diffstat (limited to 'sysdeps/alpha/alphaev67')
| -rw-r--r-- | sysdeps/alpha/alphaev67/Implies | 1 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/ffs.S | 51 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/ffsll.S | 45 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/fpu/Implies | 1 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/rawmemchr.S | 93 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/stpcpy.S | 54 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/stpncpy.S | 116 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/strcat.S | 62 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/strchr.S | 101 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/strlen.S | 61 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/strncat.S | 88 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/strrchr.S | 117 |
12 files changed, 0 insertions, 790 deletions
diff --git a/sysdeps/alpha/alphaev67/Implies b/sysdeps/alpha/alphaev67/Implies deleted file mode 100644 index 49d19c4ad8..0000000000 --- a/sysdeps/alpha/alphaev67/Implies +++ /dev/null @@ -1 +0,0 @@ -alpha/alphaev6 diff --git a/sysdeps/alpha/alphaev67/ffs.S b/sysdeps/alpha/alphaev67/ffs.S deleted file mode 100644 index fb1cdd932c..0000000000 --- a/sysdeps/alpha/alphaev67/ffs.S +++ /dev/null @@ -1,51 +0,0 @@ -/* Copyright (C) 2000, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Finds the first bit set in an integer. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .set noat - - -ENTRY(__ffs) -#ifdef PROF - ldgp gp, 0(pv) - lda AT, _mcount - jsr AT, (AT), _mcount - .prologue 1 -#else - .prologue 0 -#endif - - zap $16, 0xF0, $16 - cttz $16, $0 - addq $0, 1, $0 - cmoveq $16, 0, $0 - - nop - nop - nop - ret - -END(__ffs) - -weak_alias (__ffs, ffs) -libc_hidden_builtin_def (ffs) diff --git a/sysdeps/alpha/alphaev67/ffsll.S b/sysdeps/alpha/alphaev67/ffsll.S deleted file mode 100644 index 72ef094189..0000000000 --- a/sysdeps/alpha/alphaev67/ffsll.S +++ /dev/null @@ -1,45 +0,0 @@ -/* Copyright (C) 2000 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Finds the first bit set in a long. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .set noat - -ENTRY(ffsl) -#ifdef PROF - ldgp gp, 0(pv) - lda AT, _mcount - jsr AT, (AT), _mcount - .prologue 1 -#else - .prologue 0 -#endif - - cttz $16, $0 - addq $0, 1, $0 - cmoveq $16, 0, $0 - ret - -END(ffsl) - -weak_extern (ffsl) -weak_alias (ffsl, ffsll) diff --git a/sysdeps/alpha/alphaev67/fpu/Implies b/sysdeps/alpha/alphaev67/fpu/Implies deleted file mode 100644 index 9e3f12d0ac..0000000000 --- a/sysdeps/alpha/alphaev67/fpu/Implies +++ /dev/null @@ -1 +0,0 @@ -alpha/alphaev6/fpu diff --git a/sysdeps/alpha/alphaev67/rawmemchr.S b/sysdeps/alpha/alphaev67/rawmemchr.S deleted file mode 100644 index 8c7e9423b0..0000000000 --- a/sysdeps/alpha/alphaev67/rawmemchr.S +++ /dev/null @@ -1,93 +0,0 @@ -/* Copyright (C) 2000, 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Return pointer to first occurrence of CH in STR. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .set noat - -ENTRY(__rawmemchr) -#ifdef PROF - ldgp gp, 0(pv) - lda AT, _mcount - jsr AT, (AT), _mcount - .prologue 1 -#else - .prologue 0 -#endif - - ldq_u t0, 0(a0) # L : load first quadword Latency=3 - and a1, 0xff, t3 # E : 00000000000000ch - insbl a1, 1, t5 # U : 000000000000ch00 - insbl a1, 7, a2 # U : ch00000000000000 - - insbl t3, 6, a3 # U : 00ch000000000000 - or t5, t3, a1 # E : 000000000000chch - andnot a0, 7, v0 # E : align our loop pointer - lda t4, -1 # E : build garbage mask - - mskqh t4, a0, t4 # U : only want relevant part of first quad - or a2, a3, a2 # E : chch000000000000 - inswl a1, 2, t5 # E : 00000000chch0000 - inswl a1, 4, a3 # E : 0000chch00000000 - - or a1, a2, a1 # E : chch00000000chch - or a3, t5, t5 # E : 0000chchchch0000 - cmpbge zero, t4, t4 # E : bits set iff byte is garbage - nop # E : - - /* This quad is _very_ serialized. Lots of stalling happens */ - or t5, a1, a1 # E : chchchchchchchch - xor t0, a1, t1 # E : make bytes == c zero - cmpbge zero, t1, t0 # E : bits set iff byte == c - andnot t0, t4, t0 # E : clear garbage bits - - cttz t0, a2 # U0 : speculative (in case we get a match) - nop # E : - nop # E : - bne t0, $found # U : - - /* - * Yuk. This loop is going to stall like crazy waiting for the - * data to be loaded. Not much can be done about it unless it's - * unrolled multiple times, which is generally unsafe. - */ -$loop: - ldq t0, 8(v0) # L : Latency=3 - addq v0, 8, v0 # E : - xor t0, a1, t1 # E : - cmpbge zero, t1, t0 # E : bits set iff byte == c - - cttz t0, a2 # U0 : speculative (in case we get a match) - nop # E : - nop # E : - beq t0, $loop # U : - -$found: - negq t0, t1 # E : clear all but least set bit - and t0, t1, t0 # E : - addq v0, a2, v0 # E : Add in the bit number from above - ret # L0 : - - END(__rawmemchr) - -libc_hidden_def (__rawmemchr) -weak_alias (__rawmemchr, rawmemchr) diff --git a/sysdeps/alpha/alphaev67/stpcpy.S b/sysdeps/alpha/alphaev67/stpcpy.S deleted file mode 100644 index b5da4e05d3..0000000000 --- a/sysdeps/alpha/alphaev67/stpcpy.S +++ /dev/null @@ -1,54 +0,0 @@ -/* Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson <rth@redhat.com>. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Copy SRC to DEST returning the address of the terminating 0 in DEST. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .set noat - .text - -ENTRY(__stpcpy) - ldgp gp, 0(pv) -#ifdef PROF - lda AT, _mcount - jsr AT, (AT), _mcount -#endif - .prologue 1 - - .align 4 - mov a0, v0 - nop - jsr t9, __stxcpy - - # t8 = bitmask (with one bit set) indicating the last byte written - # a0 = unaligned address of the last *word* written - - cttz t8, t8 - andnot a0, 7, a0 - addq a0, t8, v0 - ret - - END(__stpcpy) - -weak_alias (__stpcpy, stpcpy) -libc_hidden_def (__stpcpy) -libc_hidden_builtin_def (stpcpy) diff --git a/sysdeps/alpha/alphaev67/stpncpy.S b/sysdeps/alpha/alphaev67/stpncpy.S deleted file mode 100644 index 4d61d71317..0000000000 --- a/sysdeps/alpha/alphaev67/stpncpy.S +++ /dev/null @@ -1,116 +0,0 @@ -/* Copyright (C) 2000, 2002 Free Software Foundation, Inc. - Contributed by Richard Henderson (rth@redhat.com) - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Copy no more then N bytes from SRC to DEST, returning the address of - the terminating '\0' in DEST. */ - -#include <sysdep.h> - - .arch ev6 - .set noat - .set noreorder - .text - -ENTRY(__stpncpy) - ldgp gp, 0(pv) -#ifdef PROF - lda AT, _mcount - jsr AT, (AT), _mcount -#endif - .prologue 1 - - mov a0, v0 - beq a2, $zerocount - - .align 4 - nop - nop - jsr t9, __stxncpy # do the work of the copy - - cttz t8, t4 - zapnot t0, t8, t5 - andnot a0, 7, a0 - bne a2, $multiword # do we have full words left? - - subq t8, 1, t2 - subq t10, 1, t3 - cmpult zero, t5, t5 - addq a0, t4, v0 - - or t2, t8, t2 - or t3, t10, t3 - addq v0, t5, v0 - andnot t3, t2, t3 - - zap t0, t3, t0 - nop - stq t0, 0(a0) - ret - -$multiword: - subq t8, 1, t7 # clear the final bits in the prev word - cmpult zero, t5, t5 - or t7, t8, t7 - zapnot t0, t7, t0 - - subq a2, 1, a2 - stq t0, 0(a0) - addq a0, 8, a1 - beq a2, 1f # loop over full words remaining - - nop - nop - nop - blbc a2, 0f - - stq zero, 0(a1) - subq a2, 1, a2 - addq a1, 8, a1 - beq a2, 1f - -0: stq zero, 0(a1) - subq a2, 2, a2 - nop - nop - - stq zero, 8(a1) - addq a1, 16, a1 - nop - bne a2, 0b - -1: ldq t0, 0(a1) # clear the leading bits in the final word - subq t10, 1, t7 - addq a0, t4, v0 - nop - - or t7, t10, t7 - addq v0, t5, v0 - zap t0, t7, t0 - stq t0, 0(a1) - -$zerocount: - nop - nop - nop - ret - - END(__stpncpy) - -libc_hidden_def (__stpncpy) -weak_alias (__stpncpy, stpncpy) diff --git a/sysdeps/alpha/alphaev67/strcat.S b/sysdeps/alpha/alphaev67/strcat.S deleted file mode 100644 index ae7c48808a..0000000000 --- a/sysdeps/alpha/alphaev67/strcat.S +++ /dev/null @@ -1,62 +0,0 @@ -/* Copyright (C) 2000, 2003 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@tamu.edu>, 1996. - EV67 optimized by Rick Gorton <rick.gorton@alpha-processor.com>. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Append a null-terminated string from SRC to DST. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .text - -ENTRY(strcat) - ldgp gp, 0(pv) -#ifdef PROF - .set noat - lda AT, _mcount - jsr AT, (AT), _mcount - .set at -#endif - .prologue 1 - - mov $16, $0 # E : set up return value - /* Find the end of the string. */ - ldq_u $1, 0($16) # L : load first quadword (a0 may be misaligned) - lda $2, -1 # E : - insqh $2, $16, $2 # U : - - andnot $16, 7, $16 # E : - or $2, $1, $1 # E : - cmpbge $31, $1, $2 # E : bits set iff byte == 0 - bne $2, $found # U : - -$loop: ldq $1, 8($16) # L : - addq $16, 8, $16 # E : - cmpbge $31, $1, $2 # E : - beq $2, $loop # U : - -$found: cttz $2, $3 # U0 : - addq $16, $3, $16 # E : - /* Now do the append. */ - mov $26, $23 # E : - jmp $31, __stxcpy # L0 : - - END(strcat) -libc_hidden_builtin_def (strcat) diff --git a/sysdeps/alpha/alphaev67/strchr.S b/sysdeps/alpha/alphaev67/strchr.S deleted file mode 100644 index 101c7d489a..0000000000 --- a/sysdeps/alpha/alphaev67/strchr.S +++ /dev/null @@ -1,101 +0,0 @@ -/* Copyright (C) 2000, 2003 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@tamu.edu>, 1996. - EV67 optimized by Rick Gorton <rick.gorton@alpha-processor.com>. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Return the address of a given character within a null-terminated - string, or null if it is not found. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .set noat - -ENTRY(strchr) -#ifdef PROF - ldgp gp, 0(pv) - lda AT, _mcount - jsr AT, (AT), _mcount - .prologue 1 -#else - .prologue 0 -#endif - - ldq_u t0, 0(a0) # L : load first quadword Latency=3 - and a1, 0xff, t3 # E : 00000000000000ch - insbl a1, 1, t5 # U : 000000000000ch00 - insbl a1, 7, a2 # U : ch00000000000000 - - insbl t3, 6, a3 # U : 00ch000000000000 - or t5, t3, a1 # E : 000000000000chch - andnot a0, 7, v0 # E : align our loop pointer - lda t4, -1 # E : build garbage mask - - mskqh t4, a0, t4 # U : only want relevant part of first quad - or a2, a3, a2 # E : chch000000000000 - inswl a1, 2, t5 # E : 00000000chch0000 - inswl a1, 4, a3 # E : 0000chch00000000 - - or a1, a2, a1 # E : chch00000000chch - or a3, t5, t5 # E : 0000chchchch0000 - cmpbge zero, t0, t2 # E : bits set iff byte == zero - cmpbge zero, t4, t4 # E : bits set iff byte is garbage - - /* This quad is _very_ serialized. Lots of stalling happens */ - or t5, a1, a1 # E : chchchchchchchch - xor t0, a1, t1 # E : make bytes == c zero - cmpbge zero, t1, t3 # E : bits set iff byte == c - or t2, t3, t0 # E : bits set iff char match or zero match - - andnot t0, t4, t0 # E : clear garbage bits - cttz t0, a2 # U0 : speculative (in case we get a match) - nop # E : - bne t0, $found # U : - - /* - * Yuk. This loop is going to stall like crazy waiting for the - * data to be loaded. Not much can be done about it unless it's - * unrolled multiple times, which is generally unsafe. - */ -$loop: - ldq t0, 8(v0) # L : Latency=3 - addq v0, 8, v0 # E : - xor t0, a1, t1 # E : - cmpbge zero, t0, t2 # E : bits set iff byte == 0 - - cmpbge zero, t1, t3 # E : bits set iff byte == c - or t2, t3, t0 # E : - cttz t3, a2 # U0 : speculative (in case we get a match) - beq t0, $loop # U : - -$found: - negq t0, t1 # E : clear all but least set bit - and t0, t1, t0 # E : - and t0, t3, t1 # E : bit set iff byte was the char - addq v0, a2, v0 # E : Add in the bit number from above - - cmoveq t1, $31, v0 # E : Two mapping slots, latency = 2 - nop - nop - ret # L0 : - - END(strchr) - -weak_alias (strchr, index) -libc_hidden_builtin_def (strchr) diff --git a/sysdeps/alpha/alphaev67/strlen.S b/sysdeps/alpha/alphaev67/strlen.S deleted file mode 100644 index b83eacceaf..0000000000 --- a/sysdeps/alpha/alphaev67/strlen.S +++ /dev/null @@ -1,61 +0,0 @@ -/* Copyright (C) 2000, 2003 Free Software Foundation, Inc. - Contributed by David Mosberger (davidm@cs.arizona.edu). - EV67 optimized by Rick Gorton <rick.gorton@alpha-processor.com>. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Finds length of a 0-terminated string. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .set noat - -ENTRY(strlen) -#ifdef PROF - ldgp gp, 0(pv) - lda AT, _mcount - jsr AT, (AT), _mcount - .prologue 1 -#else - .prologue 0 -#endif - - ldq_u $1, 0($16) # L : load first quadword ($16 may be misaligned) - lda $2, -1($31) # E : - insqh $2, $16, $2 # U : - andnot $16, 7, $0 # E : - - or $2, $1, $1 # E : - cmpbge $31, $1, $2 # E : $2 <- bitmask: bit i == 1 <==> i-th byte == 0 - nop # E : - bne $2, $found # U : - -$loop: ldq $1, 8($0) # L : - addq $0, 8, $0 # E : addr += 8 - cmpbge $31, $1, $2 # E : - beq $2, $loop # U : - -$found: - cttz $2, $3 # U0 : - addq $0, $3, $0 # E : - subq $0, $16, $0 # E : - ret $31, ($26) # L0 : - - END(strlen) -libc_hidden_builtin_def (strlen) diff --git a/sysdeps/alpha/alphaev67/strncat.S b/sysdeps/alpha/alphaev67/strncat.S deleted file mode 100644 index ae3257ca42..0000000000 --- a/sysdeps/alpha/alphaev67/strncat.S +++ /dev/null @@ -1,88 +0,0 @@ -/* Copyright (C) 2000, 2001 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@tamu.edu>, 1996. - EV67 optimized by Rick Gorton <rick.gorton@alpha-processor.com>. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Append no more than COUNT characters from the null-terminated string SRC - to the null-terminated string DST. Always null-terminate the new DST. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .text - -ENTRY(strncat) - ldgp gp, 0(pv) -#ifdef PROF - .set noat - lda AT, _mcount - jsr AT, (AT), _mcount - .set at -#endif - .prologue 1 - - mov a0, v0 # set up return value - beq a2, $zerocount # U : - /* Find the end of the string. */ - ldq_u t0, 0(a0) # L : load first quadword (a0 may be misaligned) - lda t1, -1 # E : - - insqh t1, v0, t1 # U : - andnot a0, 7, a0 # E : - nop # E : - or t1, t0, t0 # E : - - nop # E : - nop # E : - cmpbge zero, t0, t1 # E : bits set iff byte == 0 - bne t1, $found # U : - -$loop: ldq t0, 8(a0) # L : - addq a0, 8, a0 # E : - cmpbge zero, t0, t1 # E : - beq t1, $loop # U : - -$found: cttz t1, t2 # U0 : - addq a0, t2, a0 # E : - jsr t9, __stxncpy # L0 : Now do the append. - - /* Worry about the null termination. */ - - cttz t10, t2 # U0: byte offset of end-of-count. - bic a0, 7, a0 # E : word align the last write address. - zapnot t0, t8, t1 # U : was last byte a null? - nop # E : - - bne t1, 0f # U : - nop # E : - nop # E : - ret # L0 : - -0: addq t2, a0, a0 # E : address of end-of-count - stb zero, 1(a0) # L : - nop # E : - ret # L0 : - -$zerocount: - nop # E : - nop # E : - nop # E : - ret # L0 : - - END(strncat) diff --git a/sysdeps/alpha/alphaev67/strrchr.S b/sysdeps/alpha/alphaev67/strrchr.S deleted file mode 100644 index c46a3df4f8..0000000000 --- a/sysdeps/alpha/alphaev67/strrchr.S +++ /dev/null @@ -1,117 +0,0 @@ -/* Copyright (C) 2000, 2003 Free Software Foundation, Inc. - EV67 optimized by Rick Gorton <rick.gorton@alpha-processor.com>. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Return the address of the last occurrence of a given character - within a null-terminated string, or null if it is not found. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .set noat - -ENTRY(strrchr) -#ifdef PROF - ldgp gp, 0(pv) - lda AT, _mcount - jsr AT, (AT), _mcount - .prologue 1 -#else - .prologue 0 -#endif - - and a1, 0xff, t2 # E : 00000000000000ch - insbl a1, 1, t4 # U : 000000000000ch00 - insbl a1, 2, t5 # U : 0000000000ch0000 - ldq_u t0, 0(a0) # L : load first quadword Latency=3 - - mov zero, t6 # E : t6 is last match aligned addr - or t2, t4, a1 # E : 000000000000chch - sll t5, 8, t3 # U : 00000000ch000000 - mov zero, t8 # E : t8 is last match byte compare mask - - andnot a0, 7, v0 # E : align source addr - or t5, t3, t3 # E : 00000000chch0000 - sll a1, 32, t2 # U : 0000chch00000000 - sll a1, 48, t4 # U : chch000000000000 - - or t4, a1, a1 # E : chch00000000chch - or t2, t3, t2 # E : 0000chchchch0000 - or a1, t2, a1 # E : chchchchchchchch - lda t5, -1 # E : build garbage mask - - cmpbge zero, t0, t1 # E : bits set iff byte == zero - mskqh t5, a0, t4 # E : Complete garbage mask - xor t0, a1, t2 # E : make bytes == c zero - cmpbge zero, t4, t4 # E : bits set iff byte is garbage - - cmpbge zero, t2, t3 # E : bits set iff byte == c - andnot t1, t4, t1 # E : clear garbage from null test - andnot t3, t4, t3 # E : clear garbage from char test - bne t1, $eos # U : did we already hit the terminator? - - /* Character search main loop */ -$loop: - ldq t0, 8(v0) # L : load next quadword - cmovne t3, v0, t6 # E : save previous comparisons match - nop # : Latency=2, extra map slot (keep nop with cmov) - nop - - cmovne t3, t3, t8 # E : Latency=2, extra map slot - nop # : keep with cmovne - addq v0, 8, v0 # E : - xor t0, a1, t2 # E : - - cmpbge zero, t0, t1 # E : bits set iff byte == zero - cmpbge zero, t2, t3 # E : bits set iff byte == c - beq t1, $loop # U : if we havnt seen a null, loop - nop - - /* Mask out character matches after terminator */ -$eos: - negq t1, t4 # E : isolate first null byte match - and t1, t4, t4 # E : - subq t4, 1, t5 # E : build a mask of the bytes upto... - or t4, t5, t4 # E : ... and including the null - - and t3, t4, t3 # E : mask out char matches after null - cmovne t3, t3, t8 # E : save it, if match found Latency=2, extra map slot - nop # : Keep with cmovne - nop - - cmovne t3, v0, t6 # E : - nop # : Keep with cmovne - /* Locate the address of the last matched character */ - ctlz t8, t2 # U0 : Latency=3 (0x40 for t8=0) - nop - - cmoveq t8, 0x3f, t2 # E : Compensate for case when no match is seen - nop # E : hide the cmov latency (2) behind ctlz latency - lda t5, 0x3f($31) # E : - subq t5, t2, t5 # E : Normalize leading zero count - - addq t6, t5, v0 # E : and add to quadword address - ret # L0 : Latency=3 - nop - nop - -END(strrchr) - -weak_alias (strrchr, rindex) -libc_hidden_builtin_def (strrchr) |