-/* 64-bit millicode, original author Hewlett-Packard
+/* 32 and 64-bit millicode, original author Hewlett-Packard
adapted for gcc by Paul Bame <bame@debian.org>
- and Alan Modra <alan@linuxcare.com.au>
+ and Alan Modra <alan@linuxcare.com.au>.
- Copyright 2001 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003, 2007, 2009 Free Software Foundation, Inc.
- This file is part of GNU CC and is released under the terms of
- of the GNU General Public License as published by the Free Software
- Foundation; either version 2, or (at your option) any later version.
- See the file COPYING in the top-level GNU CC source directory for a copy
- of the license. */
+This file is part of GCC.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC 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 General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
#ifdef pa64
.level 2.0w
#define LREF(sym) CAT(L$,sym)
#endif
+#ifdef L_dyncall
+ SUBSPA_MILLI
+ ATTR_DATA
+GSYM($$dyncall)
+ .export $$dyncall,millicode
+ .proc
+ .callinfo millicode
+ .entry
+ bb,>=,n %r22,30,LREF(1) ; branch if not plabel address
+ depi 0,31,2,%r22 ; clear the two least significant bits
+ ldw 4(%r22),%r19 ; load new LTP value
+ ldw 0(%r22),%r22 ; load address of target
+LSYM(1)
+#ifdef LINUX
+ bv %r0(%r22) ; branch to the real target
+#else
+ ldsid (%sr0,%r22),%r1 ; get the "space ident" selected by r22
+ mtsp %r1,%sr0 ; move that space identifier into sr0
+ be 0(%sr0,%r22) ; branch to the real target
+#endif
+ stw %r2,-24(%r30) ; save return address into frame marker
+ .exit
+ .procend
+#endif
#ifdef L_divI
/* ROUTINES: $$divI, $$divoI
#if defined(pa64)
/* Clear the upper 32 bits of the arg1 register. We are working with */
-/* small divisors (and 32 bit integers) We must not be mislead */
+/* small divisors (and 32-bit integers) We must not be mislead */
/* by "1" bits left in the upper 32 bits. */
depd %r0,31,32,%r25
#endif
#if defined(pa64)
/* Clear the upper 32 bits of the arg1 register. We are working with
- small divisors (and 32 bit unsigned integers) We must not be mislead
+ small divisors (and 32-bit unsigned integers) We must not be mislead
by "1" bits left in the upper 32 bits. */
depd %r0,31,32,%r25
#endif
.export $$divI_3,millicode
comb,<,N x2,0,LREF(neg3)
- addi 1,x2,x2 /* this can not overflow */
+ addi 1,x2,x2 /* this cannot overflow */
extru x2,1,2,x1 /* multiply by 5 to get started */
sh2add x2,x2,x2
b LREF(pos)
addc x1,0,x1
LSYM(neg3)
- subi 1,x2,x2 /* this can not overflow */
+ subi 1,x2,x2 /* this cannot overflow */
extru x2,1,2,x1 /* multiply by 5 to get started */
sh2add x2,x2,x2
b LREF(neg)
.export $$divI_5,millicode
comb,<,N x2,0,LREF(neg5)
- addi 3,x2,t1 /* this can not overflow */
+ addi 3,x2,t1 /* this cannot overflow */
sh1add x2,t1,x2 /* multiply by 3 to get started */
b LREF(pos)
addc 0,0,x1
LSYM(neg5)
sub 0,x2,x2 /* negate x2 */
- addi 1,x2,x2 /* this can not overflow */
+ addi 1,x2,x2 /* this cannot overflow */
shd 0,x2,31,x1 /* get top bit (can be 1) */
sh1add x2,x2,x2 /* multiply by 3 to get started */
b LREF(neg)
GSYM($$divU_6)
.export $$divU_6,millicode
extru x2,30,31,x2 /* divide by 2 */
- addi 1,x2,x2 /* can not carry */
+ addi 1,x2,x2 /* cannot carry */
shd 0,x2,30,x1 /* multiply by 5 to get started */
sh2add x2,x2,x2
b LREF(pos)
comb,< x2,0,LREF(neg10)
copy 0,x1
extru x2,30,31,x2 /* divide by 2 */
- addib,TR 1,x2,LREF(pos) /* add 1 (can not overflow) */
+ addib,TR 1,x2,LREF(pos) /* add 1 (cannot overflow) */
sh1add x2,x2,x2 /* multiply by 3 to get started */
LSYM(neg10)
GSYM($$divU_12)
.export $$divU_12,millicode
extru x2,29,30,x2 /* divide by 4 */
- addi 5,x2,t1 /* can not carry */
+ addi 5,x2,t1 /* cannot carry */
sh2add x2,t1,x2 /* multiply by 5 to get started */
b LREF(pos)
addc 0,0,x1
GSYM($$divI_17)
.export $$divI_17,millicode
comb,<,n x2,0,LREF(neg17)
- addi 1,x2,x2 /* this can not overflow */
+ addi 1,x2,x2 /* this cannot overflow */
shd 0,x2,28,t1 /* multiply by 0xf to get started */
shd x2,0,28,t2
sub t2,x2,x2
subb t1,0,x1
LSYM(neg17)
- subi 1,x2,x2 /* this can not overflow */
+ subi 1,x2,x2 /* this cannot overflow */
shd 0,x2,28,t1 /* multiply by 0xf to get started */
shd x2,0,28,t2
sub t2,x2,x2
.export $$divI_7,millicode
comb,<,n x2,0,LREF(neg7)
LSYM(7)
- addi 1,x2,x2 /* can not overflow */
+ addi 1,x2,x2 /* cannot overflow */
shd 0,x2,29,x1
sh3add x2,x2,x2
addc x1,0,x1
GSYM($$divI_9)
.export $$divI_9,millicode
comb,<,n x2,0,LREF(neg9)
- addi 1,x2,x2 /* can not overflow */
+ addi 1,x2,x2 /* cannot overflow */
shd 0,x2,29,t1
shd x2,0,29,t2
sub t2,x2,x2
.align 16
.proc
.callinfo millicode
- .export $$mulI, millicode
+ .export $$mulI,millicode
GSYM($$mulI)
combt,<<= a1,a0,LREF(l4) /* swap args if unsigned a1>a0 */
copy 0,r /* zero out the result */
projects / msp430-gcc.git / blobdiff