+2004-03-02 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/lib1funcs.asm (___fixunssfsi): Change the
+ threshold to 0x4f.
+
+ Revert:
+ 2004-02-27 Kazu Hirata <kazu@cs.umass.edu>
+ * config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300
+ as well.
+ * config/h8300/lib1funcs.asm (___fixunssfsi): Remove.
+ * config/h8300/t-h8300 (LIB1ASMFUNCS): Remove _fixunssfsi_asm.
+
2004-03-02 Kazu Hirata <kazu@cs.umass.edu>
* doc/md.texi (cbranchmode4): New.
Boston, MA 02111-1307, USA. */
/* The libgcc2.c implementation gets confused by our type setup and creates
- a directly recursive call, so we do our own implementation. */
+ a directly recursive call, so we do our own implementation. For
+ the H8/300, that's in lib1funcs.asm, for H8/300H and H8S, it's here. */
+#ifndef __H8300__
long __fixunssfsi (float a);
long
return (long) (a - 32768L) + 32768L;
return (long) a;
}
+#endif
#endif
#endif /* L_mulsi3 */
+#ifdef L_fixunssfsi_asm
+/* For the h8300 we use asm to save some bytes, to
+ allow more programs to fit into the tiny address
+ space. For the H8/300H and H8S, the C version is good enough. */
+#ifdef __H8300__
+/* We still treat NANs different than libgcc2.c, but then, the
+ behavior is undefined anyways. */
+ .global ___fixunssfsi
+___fixunssfsi:
+ cmp.b #0x4f,r0h
+ bge Large_num
+ jmp @___fixsfsi
+Large_num:
+ bhi L_huge_num
+ xor.b #0x80,A0L
+ bmi L_shift8
+L_huge_num:
+ mov.w #65535,A0
+ mov.w A0,A1
+ rts
+L_shift8:
+ mov.b A0L,A0H
+ mov.b A1H,A0L
+ mov.b A1L,A1H
+ mov.b #0,A1L
+ rts
+#endif
+#endif /* L_fixunssfsi_asm */
LIB1ASMSRC = h8300/lib1funcs.asm
-LIB1ASMFUNCS = _cmpsi2 _ucmpsi2 _divhi3 _divsi3 _mulhi3 _mulsi3
+LIB1ASMFUNCS = _cmpsi2 _ucmpsi2 _divhi3 _divsi3 _mulhi3 _mulsi3 \
+ _fixunssfsi_asm
LIB2FUNCS_EXTRA = \
$(srcdir)/config/h8300/clzhi2.c \