2003-04-19 Mark Kettenis <kettenis@gnu.org>
+ * i386-tdep.c (i386_mmx_regnum_to_fp_regnum): Renamed from
+ mmx_regnum_to_fp_regnum. Adjust all callers.
+
* i386-tdep.c (i386_get_longjmp_target): Use
TYPE_LENGTH(builtin_type_void_func_ptr) instead of TARGET_PTR_BIT
and TARGET_CHAR_BIT. Use extract_typed_address instead of
}
/* Map a cooked register onto a raw register or memory. For the i386,
- the MMX registers need to be mapped onto floating point registers. */
+ the MMX registers need to be mapped onto floating-point registers. */
static int
-mmx_regnum_to_fp_regnum (struct regcache *regcache, int regnum)
+i386_mmx_regnum_to_fp_regnum (struct regcache *regcache, int regnum)
{
int mmxi;
ULONGEST fstat;
int tos;
int fpi;
+
mmxi = regnum - MM0_REGNUM;
regcache_raw_read_unsigned (regcache, FSTAT_REGNUM, &fstat);
tos = (fstat >> 11) & 0x7;
fpi = (mmxi + tos) % 8;
+
return (FP0_REGNUM + fpi);
}
if (i386_mmx_regnum_p (regnum))
{
char *mmx_buf = alloca (MAX_REGISTER_RAW_SIZE);
- int fpnum = mmx_regnum_to_fp_regnum (regcache, regnum);
- regcache_raw_read (regcache, fpnum, mmx_buf);
+ int fpnum = i386_mmx_regnum_to_fp_regnum (regcache, regnum);
+
/* Extract (always little endian). */
+ regcache_raw_read (regcache, fpnum, mmx_buf);
memcpy (buf, mmx_buf, REGISTER_RAW_SIZE (regnum));
}
else
if (i386_mmx_regnum_p (regnum))
{
char *mmx_buf = alloca (MAX_REGISTER_RAW_SIZE);
- int fpnum = mmx_regnum_to_fp_regnum (regcache, regnum);
+ int fpnum = i386_mmx_regnum_to_fp_regnum (regcache, regnum);
+
/* Read ... */
regcache_raw_read (regcache, fpnum, mmx_buf);
/* ... Modify ... (always little endian). */