/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC 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 2, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC 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.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
+along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
A few optabs, such as move_optab and cmp_optab, are used
by special code. */
-typedef struct optab
+struct optab GTY(())
{
enum rtx_code code;
- struct {
+ struct optab_handlers {
enum insn_code insn_code;
rtx libfunc;
} handlers [NUM_MACHINE_MODES];
-} * optab;
+};
+typedef struct optab * optab;
/* Given an enum insn_code, access the function to construct
the body of that kind of insn. */
/* Signed remainder */
OTI_smod,
OTI_umod,
- /* Optab for floating divide. */
- OTI_flodiv,
/* Convert float to integer in float fmt */
OTI_ftrunc,
OTI_umin,
/* Unsigned maximum value */
OTI_umax,
+ /* Power */
+ OTI_pow,
+ /* Arc tangent of y/x */
+ OTI_atan2,
/* Move instruction. */
OTI_mov,
OTI_absv,
/* Bitwise not */
OTI_one_cmpl,
- /* Find first bit set */
+ /* Bit scanning and counting */
OTI_ffs,
+ OTI_clz,
+ OTI_ctz,
+ OTI_popcount,
+ OTI_parity,
/* Square root */
OTI_sqrt,
/* Sine */
OTI_sin,
/* Cosine */
OTI_cos,
+ /* Exponential */
+ OTI_exp,
+ /* Natural Logarithm */
+ OTI_log,
+ /* Rounding functions */
+ OTI_floor,
+ OTI_ceil,
+ OTI_trunc,
+ OTI_round,
+ OTI_nearbyint,
/* Compare insn; two operands. */
OTI_cmp,
/* Push instruction. */
OTI_push,
+ /* Conditional add instruction. */
+ OTI_addcc,
+
OTI_MAX
};
-extern optab optab_table[OTI_MAX];
+extern GTY(()) optab optab_table[OTI_MAX];
#define add_optab (optab_table[OTI_add])
#define sub_optab (optab_table[OTI_sub])
#define udivmod_optab (optab_table[OTI_udivmod])
#define smod_optab (optab_table[OTI_smod])
#define umod_optab (optab_table[OTI_umod])
-#define flodiv_optab (optab_table[OTI_flodiv])
#define ftrunc_optab (optab_table[OTI_ftrunc])
#define and_optab (optab_table[OTI_and])
#define ior_optab (optab_table[OTI_ior])
#define smax_optab (optab_table[OTI_smax])
#define umin_optab (optab_table[OTI_umin])
#define umax_optab (optab_table[OTI_umax])
+#define pow_optab (optab_table[OTI_pow])
+#define atan2_optab (optab_table[OTI_atan2])
#define mov_optab (optab_table[OTI_mov])
#define movstrict_optab (optab_table[OTI_movstrict])
#define absv_optab (optab_table[OTI_absv])
#define one_cmpl_optab (optab_table[OTI_one_cmpl])
#define ffs_optab (optab_table[OTI_ffs])
+#define clz_optab (optab_table[OTI_clz])
+#define ctz_optab (optab_table[OTI_ctz])
+#define popcount_optab (optab_table[OTI_popcount])
+#define parity_optab (optab_table[OTI_parity])
#define sqrt_optab (optab_table[OTI_sqrt])
#define sin_optab (optab_table[OTI_sin])
#define cos_optab (optab_table[OTI_cos])
+#define exp_optab (optab_table[OTI_exp])
+#define log_optab (optab_table[OTI_log])
+#define floor_optab (optab_table[OTI_floor])
+#define ceil_optab (optab_table[OTI_ceil])
+#define trunc_optab (optab_table[OTI_trunc])
+#define round_optab (optab_table[OTI_round])
+#define nearbyint_optab (optab_table[OTI_nearbyint])
#define cmp_optab (optab_table[OTI_cmp])
#define ucmp_optab (optab_table[OTI_ucmp])
#define cmov_optab (optab_table[OTI_cmov])
#define cstore_optab (optab_table[OTI_cstore])
#define push_optab (optab_table[OTI_push])
+#define addcc_optab (optab_table[OTI_addcc])
/* Tables of patterns for extending one integer mode to another. */
extern enum insn_code extendtab[MAX_MACHINE_MODE][MAX_MACHINE_MODE][2];
-/* Tables of patterns for converting between fixed and floating point. */
+/* Tables of patterns for converting between fixed and floating point. */
extern enum insn_code fixtab[NUM_MACHINE_MODES][NUM_MACHINE_MODES][2];
extern enum insn_code fixtrunctab[NUM_MACHINE_MODES][NUM_MACHINE_MODES][2];
extern enum insn_code floattab[NUM_MACHINE_MODES][NUM_MACHINE_MODES][2];
extern enum insn_code reload_out_optab[NUM_MACHINE_MODES];
/* Contains the optab used for each rtx code. */
-extern optab code_to_optab[NUM_RTX_CODE + 1];
-
-/* Passed to expand_binop and expand_unop to say which options to try to use
- if the requested operation can't be open-coded on the requisite mode.
- Either OPTAB_LIB or OPTAB_LIB_WIDEN says try using a library call.
- Either OPTAB_WIDEN or OPTAB_LIB_WIDEN says try using a wider mode.
- OPTAB_MUST_WIDEN says try widening and don't try anything else. */
-
-enum optab_methods
-{
- OPTAB_DIRECT,
- OPTAB_LIB,
- OPTAB_WIDEN,
- OPTAB_LIB_WIDEN,
- OPTAB_MUST_WIDEN
-};
+extern GTY(()) optab code_to_optab[NUM_RTX_CODE + 1];
\f
typedef rtx (*rtxfun) PARAMS ((rtx));
/* Emit one rtl insn to compare two rtx's. */
extern void emit_cmp_insn PARAMS ((rtx, rtx, enum rtx_code, rtx,
- enum machine_mode, int, unsigned int));
+ enum machine_mode, int));
/* The various uses that a comparison can have; used by can_compare_p:
jumps, conditional moves, store flag operations. */
extern int can_compare_p PARAMS ((enum rtx_code, enum machine_mode,
enum can_compare_purpose));
-extern void prepare_cmp_insn PARAMS ((rtx *, rtx *, enum rtx_code *, rtx,
- enum machine_mode *, int *, int,
- enum can_compare_purpose));
-
extern rtx prepare_operand PARAMS ((int, rtx, int, enum machine_mode,
enum machine_mode, int));
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