projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 19ce9cf1 | 1 | ;;- Predicate definitions for the pdp11 for GNU C compiler |
| 23a5b65a | 2 | ;; Copyright (C) 1994-2014 Free Software Foundation, Inc. |
| 19ce9cf1 PK |
3 | ;; Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at). |
| 4 | ||
| 5 | ;; This file is part of GCC. | |
| 6 | ||
| 7 | ;; GCC is free software; you can redistribute it and/or modify | |
| 8 | ;; it under the terms of the GNU General Public License as published by | |
| 9 | ;; the Free Software Foundation; either version 3, or (at your option) | |
| 10 | ;; any later version. | |
| 11 | ||
| 12 | ;; GCC is distributed in the hope that it will be useful, | |
| 13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | ;; GNU General Public License for more details. | |
| 16 | ||
| 17 | ;; You should have received a copy of the GNU General Public License | |
| 18 | ;; along with GCC; see the file COPYING3. If not see | |
| 19 | ;; <http://www.gnu.org/licenses/>. | |
| 20 | ||
| 21 | ;; Match CONST_DOUBLE zero for tstd/tstf. | |
| 22 | (define_predicate "register_or_const0_operand" | |
| 23 | (ior (match_operand 0 "register_operand") | |
| 24 | (match_test "op == CONST0_RTX (GET_MODE (op))"))) | |
| 25 | ||
| 26 | ;; Accept integer arguments in the range -4..-2 and 2..4, which are the | |
| 27 | ;; shift counts for which we unroll a shift. This matches the rule for | |
| 28 | ;; the "O" constraint. | |
| 29 | (define_predicate "expand_shift_operand" | |
| 30 | (match_code "const_int") | |
| 31 | { | |
| 32 | int sh; | |
| 33 | ||
| 34 | sh = INTVAL (op); | |
| 35 | return (abs (sh) > 1 && abs (sh) <= 4); | |
| 36 | }) | |
| a01c666c | 37 | |
| 166208c2 | 38 | ;; Accept anything general_operand accepts, except that registers must |
| a01c666c PK |
39 | ;; be FPU registers. |
| 40 | (define_predicate "float_operand" | |
| 41 | (if_then_else (match_code "reg") | |
| 42 | (ior | |
| 43 | (match_test "REGNO_REG_CLASS (REGNO (op)) == LOAD_FPU_REGS") | |
| 44 | (match_test "REGNO_REG_CLASS (REGNO (op)) == NO_LOAD_FPU_REGS")) | |
| 525f6ed7 | 45 | (match_operand 0 "general_operand"))) |
| 166208c2 PK |
46 | |
| 47 | ;; Accept anything nonimmediate_operand accepts, except that registers must | |
| 48 | ;; be FPU registers. | |
| 49 | (define_predicate "float_nonimm_operand" | |
| 50 | (if_then_else (match_code "reg") | |
| 51 | (ior | |
| 52 | (match_test "REGNO_REG_CLASS (REGNO (op)) == LOAD_FPU_REGS") | |
| 53 | (match_test "REGNO_REG_CLASS (REGNO (op)) == NO_LOAD_FPU_REGS")) | |
| 525f6ed7 | 54 | (match_operand 0 "nonimmediate_operand"))) |