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authorKenneth Zadeck <zadeck@naturalbridge.com>2013-12-13 16:38:53 +0000
committerKenneth Zadeck <zadeck@gcc.gnu.org>2013-12-13 16:38:53 +0000
commit8fd05f4d87084929be12624d3f21000ef593d2c3 (patch)
tree974155cc0ff2cb4d9b49bd4bd46084ad9e23ce18 /gcc/genmodes.c
parent62c6e26e3326d13b47fba3b4375b261a8431d422 (diff)
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arc.h (BITS_PER_UNIT): Removed.
2013-12-13 Kenneth Zadeck <zadeck@naturalbridge.com> * config/arc/arc.h (BITS_PER_UNIT): Removed. * config/bfin/bfin.h (BITS_PER_UNIT): Removed. * config/lm32/lm32.h (BITS_PER_UNIT): Removed. * config/m32c/m32c.h (BITS_PER_UNIT): Removed. * config/microblaze/microblaze.h (BITS_PER_UNIT): Removed. * config/picochip/picochip.h (BITS_PER_UNIT): Removed. * config/spu/spu.h (BITS_PER_UNIT): Removed. * defaults.h (BITS_PER_UNIT): Removed. * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): New. * doc/rtl (BITS_PER_UNIT): Moved from tm.texi. (MAX_BITSIZE_MODE_ANY_INT): Updated. * doc/tm.texi (BITS_PER_UNIT): Removed. * doc/tm.texi.in (BITS_PER_UNIT): Removed. * genmodes.c (bits_per_unit, max_bitsize_mode_any_int): New. (create_modes): Added code to set bits_per_unit and max_bitsize_mode_any_int. (emit_max_int): Changed code generation. * mkconfig.sh: Added insn-modes.h. From-SVN: r205964
Diffstat (limited to 'gcc/genmodes.c')
-rw-r--r--gcc/genmodes.c45
1 files changed, 35 insertions, 10 deletions
diff --git a/gcc/genmodes.c b/gcc/genmodes.c
index 3c1ce0e..641623d 100644
--- a/gcc/genmodes.c
+++ b/gcc/genmodes.c
@@ -711,10 +711,27 @@ make_vector_mode (enum mode_class bclass,
#define ADJUST_IBIT(M, X) _ADD_ADJUST (ibit, M, X, ACCUM, UACCUM)
#define ADJUST_FBIT(M, X) _ADD_ADJUST (fbit, M, X, FRACT, UACCUM)
+static int bits_per_unit;
+static int max_bitsize_mode_any_int;
+
static void
create_modes (void)
{
#include "machmode.def"
+
+ /* So put the default value unless the target needs a non standard
+ value. */
+#ifdef BITS_PER_UNIT
+ bits_per_unit = BITS_PER_UNIT;
+#else
+ bits_per_unit = 8;
+#endif
+
+#ifdef MAX_BITSIZE_MODE_ANY_INT
+ max_bitsize_mode_any_int = MAX_BITSIZE_MODE_ANY_INT;
+#else
+ max_bitsize_mode_any_int = 0;
+#endif
}
/* Processing. */
@@ -860,16 +877,24 @@ emit_max_int (void)
int j;
puts ("");
- for (max = 1, i = modes[MODE_INT]; i; i = i->next)
- if (max < i->bytesize)
- max = i->bytesize;
- mmax = max;
- for (max = 1, i = modes[MODE_PARTIAL_INT]; i; i = i->next)
- if (max < i->bytesize)
- max = i->bytesize;
- if (max > mmax)
- mmax = max;
- printf ("#define MAX_BITSIZE_MODE_ANY_INT %d*BITS_PER_UNIT\n", mmax);
+
+ printf ("#define BITS_PER_UNIT (%d)\n", bits_per_unit);
+
+ if (max_bitsize_mode_any_int == 0)
+ {
+ for (max = 1, i = modes[MODE_INT]; i; i = i->next)
+ if (max < i->bytesize)
+ max = i->bytesize;
+ mmax = max;
+ for (max = 1, i = modes[MODE_PARTIAL_INT]; i; i = i->next)
+ if (max < i->bytesize)
+ max = i->bytesize;
+ if (max > mmax)
+ mmax = max;
+ printf ("#define MAX_BITSIZE_MODE_ANY_INT %d*BITS_PER_UNIT\n", mmax);
+ }
+ else
+ printf ("#define MAX_BITSIZE_MODE_ANY_INT %d\n", max_bitsize_mode_any_int);
mmax = 0;
for (j = 0; j < MAX_MODE_CLASS; j++)