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Diffstat (limited to 'sysdeps/alpha/alphaev67')
-rw-r--r--sysdeps/alpha/alphaev67/Implies1
-rw-r--r--sysdeps/alpha/alphaev67/ffs.S51
-rw-r--r--sysdeps/alpha/alphaev67/ffsll.S44
-rw-r--r--sysdeps/alpha/alphaev67/fpu/Implies1
-rw-r--r--sysdeps/alpha/alphaev67/rawmemchr.S92
-rw-r--r--sysdeps/alpha/alphaev67/stpcpy.S53
-rw-r--r--sysdeps/alpha/alphaev67/stpncpy.S115
-rw-r--r--sysdeps/alpha/alphaev67/strcat.S61
-rw-r--r--sysdeps/alpha/alphaev67/strchr.S100
-rw-r--r--sysdeps/alpha/alphaev67/strlen.S60
-rw-r--r--sysdeps/alpha/alphaev67/strncat.S87
-rw-r--r--sysdeps/alpha/alphaev67/strrchr.S116
12 files changed, 781 insertions, 0 deletions
diff --git a/sysdeps/alpha/alphaev67/Implies b/sysdeps/alpha/alphaev67/Implies
new file mode 100644
index 0000000000..49d19c4ad8
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/Implies
@@ -0,0 +1 @@
+alpha/alphaev6
diff --git a/sysdeps/alpha/alphaev67/ffs.S b/sysdeps/alpha/alphaev67/ffs.S
new file mode 100644
index 0000000000..7033b2af1c
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/ffs.S
@@ -0,0 +1,51 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* 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_def (__ffs)
+libc_hidden_builtin_def (ffs)
diff --git a/sysdeps/alpha/alphaev67/ffsll.S b/sysdeps/alpha/alphaev67/ffsll.S
new file mode 100644
index 0000000000..d599f7a055
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/ffsll.S
@@ -0,0 +1,44 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* 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
new file mode 100644
index 0000000000..9e3f12d0ac
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/fpu/Implies
@@ -0,0 +1 @@
+alpha/alphaev6/fpu
diff --git a/sysdeps/alpha/alphaev67/rawmemchr.S b/sysdeps/alpha/alphaev67/rawmemchr.S
new file mode 100644
index 0000000000..7e3c02c662
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/rawmemchr.S
@@ -0,0 +1,92 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* 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
new file mode 100644
index 0000000000..a11bbec7a6
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/stpcpy.S
@@ -0,0 +1,53 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* 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
new file mode 100644
index 0000000000..451b2e03c4
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/stpncpy.S
@@ -0,0 +1,115 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Copy no more than 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
new file mode 100644
index 0000000000..914720c6cf
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/strcat.S
@@ -0,0 +1,61 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* 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
new file mode 100644
index 0000000000..328f8ec33a
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/strchr.S
@@ -0,0 +1,100 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* 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
new file mode 100644
index 0000000000..22ab1bffd5
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/strlen.S
@@ -0,0 +1,60 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* 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
new file mode 100644
index 0000000000..36b872103a
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/strncat.S
@@ -0,0 +1,87 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* 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
new file mode 100644
index 0000000000..0c0c90d524
--- /dev/null
+++ b/sysdeps/alpha/alphaev67/strrchr.S
@@ -0,0 +1,116 @@
+/* Copyright (C) 2000-2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* 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)