+2009-07-01 Maciej W. Rozycki <macro@linux-mips.org>
+
+ * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro. Set to 1.
+ * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro. Redefine the
+ to 0.
+ * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
+ and umod_optab if TARGET_BSD_DIVMOD.
+ * config/vax/lib1funcs.asm: New file.
+ * config/vax/t-linux: New file.
+ * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
+
2009-06-30 Jakub Jelinek <jakub@redhat.com>
PR c++/40566
--- /dev/null
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+ This file is part of GCC.
+ Contributed by Maciej W. Rozycki <macro@linux-mips.org>.
+
+ This file 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.
+
+ This file 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 L_udivsi3
+ .text
+ .globl __udivsi3
+ .type __udivsi3, @function
+__udivsi3:
+ .word 0
+ movl 8(%ap), %r1
+ blss 0f /* Check bit #31 of divisor. */
+ movl 4(%ap), %r2
+ blss 1f /* Check bit #31 of dividend. */
+
+ /* Both zero, do a standard division. */
+
+ divl3 %r1, %r2, %r0
+ ret
+
+ /* MSB of divisor set, only 1 or 0 may result. */
+0:
+ decl %r1
+ clrl %r0
+ cmpl %r1, 4(%ap)
+ adwc $0, %r0
+ ret
+
+ /* MSB of dividend set, do an extended division. */
+1:
+ clrl %r3
+ ediv %r1, %r2, %r0, %r3
+ ret
+ .size __udivsi3, . - __udivsi3
+ .previous
+#endif
+
+#ifdef L_umodsi3
+ .text
+ .globl __umodsi3
+ .type __umodsi3, @function
+__umodsi3:
+ .word 0
+ movl 8(%ap), %r1
+ blss 0f /* Check bit #31 of divisor. */
+ movl 4(%ap), %r2
+ blss 1f /* Check bit #31 of dividend. */
+
+ /* Both zero, do a standard division. */
+
+ divl3 %r1, %r2, %r0
+ mull2 %r0, %r1
+ subl3 %r1, %r2, %r0
+ ret
+
+ /* MSB of divisor set, subtract the divisor at most once. */
+0:
+ movl 4(%ap), %r2
+ clrl %r0
+ cmpl %r2, %r1
+ sbwc $0, %r0
+ bicl2 %r0, %r1
+ subl3 %r1, %r2, %r0
+ ret
+
+ /* MSB of dividend set, do an extended division. */
+1:
+ clrl %r3
+ ediv %r1, %r2, %r3, %r0
+ ret
+ .size __umodsi3, . - __umodsi3
+ .previous
+#endif
static void
vax_init_libfuncs (void)
{
- set_optab_libfunc (udiv_optab, SImode, TARGET_ELF ? "*__udiv" : "*udiv");
- set_optab_libfunc (umod_optab, SImode, TARGET_ELF ? "*__urem" : "*urem");
+ if (TARGET_BSD_DIVMOD)
+ {
+ set_optab_libfunc (udiv_optab, SImode, TARGET_ELF ? "*__udiv" : "*udiv");
+ set_optab_libfunc (umod_optab, SImode, TARGET_ELF ? "*__urem" : "*urem");
+ }
}
/* This is like nonimmediate_operand with a restriction on the type of MEM. */