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stormy16-lib2.c (__cmpsi2): New function.

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* config/stormy16/stormy16-lib2.c (__cmpsi2): New function.
        * config/stormy16/stormy16-lib2-cmpsi2.c: New file.
        * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
        stormy16-lib2-cmpsi.c.

        * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Change to
        -O2.

From-SVN: r163097
This commit is contained in:
Nick Clifton 2010-08-11 11:56:15 +00:00 • committed by Nick Clifton
parent c4aa95f885
commit bfd71bc196
4 changed files with 37 additions and 1 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2010-08-11 Nick Clifton <nickc@redhat.com>
* config/stormy16/stormy16-lib2.c (__cmpsi2): New function.
* config/stormy16/stormy16-lib2-cmpsi2.c: New file.
* config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
stormy16-lib2-cmpsi.c.
* config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Change to
-O2.
2010-08-11 Joseph Myers <joseph@codesourcery.com>
* opts.h (struct cl_option_handler_func): Make handler take

2
gcc/config/stormy16/stormy16-lib2-cmpsi2.c Normal file
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@ -0,0 +1,2 @@
#define XSTORMY16_CMPSI2
#include "stormy16-lib2.c"

23
gcc/config/stormy16/stormy16-lib2.c
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@ -332,3 +332,26 @@ __ucmpsi2 (USItype a, USItype b)
return hi_a < hi_b ? 0 : 2;
}
#endif
#ifdef XSTORMY16_CMPSI2
/* Performs an signed comparison of two 32-bit values: A and B.
If A is less than B, then 0 is returned. If A is greater than B,
then 2 is returned. Otherwise A and B are equal and 1 is returned. */
word_type
__cmpsi2 (SItype a, SItype b)
{
word_type hi_a = (a >> 16);
word_type hi_b = (b >> 16);
if (hi_a == hi_b)
{
word_type low_a = (a & 0xffff);
word_type low_b = (b & 0xffff);
return low_a < low_b ? 0 : (low_a > low_b ? 2 : 1);
}
return hi_a < hi_b ? 0 : 2;
}
#endif

3
gcc/config/stormy16/t-stormy16
View file

@ -33,6 +33,7 @@ LIB2FUNCS_EXTRA = \
$(srcdir)/config/stormy16/stormy16-lib2-clzhi2.c \
$(srcdir)/config/stormy16/stormy16-lib2-ctzhi2.c \
$(srcdir)/config/stormy16/stormy16-lib2-ffshi2.c \
$(srcdir)/config/stormy16/stormy16-lib2-cmpsi2.c \
$(srcdir)/config/stormy16/stormy16-lib2-ucmpsi2.c
# Floating point emulation libraries.
@ -46,4 +47,4 @@ fp-bit.c: $(srcdir)/config/fp-bit.c
dp-bit.c: $(srcdir)/config/fp-bit.c
cat $(srcdir)/config/fp-bit.c > dp-bit.c
TARGET_LIBGCC2_CFLAGS = -Os
TARGET_LIBGCC2_CFLAGS = -O2