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Diffstat (limited to 'gcc-4.7/gcc/config/s390/constraints.md')
| -rw-r--r-- | gcc-4.7/gcc/config/s390/constraints.md | 492 |
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diff --git a/gcc-4.7/gcc/config/s390/constraints.md b/gcc-4.7/gcc/config/s390/constraints.md deleted file mode 100644 index 8564b6619..000000000 --- a/gcc-4.7/gcc/config/s390/constraints.md +++ /dev/null @@ -1,492 +0,0 @@ -;; Constraints definitions belonging to the gcc backend for IBM S/390. -;; Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc. -;; Written by Wolfgang Gellerich, using code and information found in -;; files s390.md, s390.h, and s390.c. -;; -;; This file is part of GCC. -;; -;; 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 3, or (at your option) any later -;; version. -;; -;; 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 GCC; see the file COPYING3. If not see -;; <http://www.gnu.org/licenses/>. - - -;; -;; Special constraints for s/390 machine description: -;; -;; a -- Any address register from 1 to 15. -;; b -- Memory operand whose address is a symbol reference or a symbol -;; reference + constant which can be proven to be naturally aligned. -;; c -- Condition code register 33. -;; d -- Any register from 0 to 15. -;; f -- Floating point registers. -;; t -- Access registers 36 and 37. -;; C -- A signed 8-bit constant (-128..127) -;; D -- An unsigned 16-bit constant (0..65535) -;; G -- Const double zero operand -;; I -- An 8-bit constant (0..255). -;; J -- A 12-bit constant (0..4095). -;; K -- A 16-bit constant (-32768..32767). -;; L -- Value appropriate as displacement. -;; (0..4095) for short displacement -;; (-524288..524287) for long displacement -;; M -- Constant integer with a value of 0x7fffffff. -;; N -- Multiple letter constraint followed by 4 parameter letters. -;; 0..9,x: number of the part counting from most to least significant -;; H,Q: mode of the part -;; D,S,H: mode of the containing operand -;; 0,F: value of the other parts (F - all bits set) -;; -;; The constraint matches if the specified part of a constant -;; has a value different from its other parts. If the letter x -;; is specified instead of a part number, the constraint matches -;; if there is any single part with non-default value. -;; O -- Multiple letter constraint followed by 1 parameter. -;; s: Signed extended immediate value (-2G .. 2G-1). -;; p: Positive extended immediate value (0 .. 4G-1). -;; n: Negative extended immediate value (-4G+1 .. -1). -;; These constraints do not accept any operand if the machine does -;; not provide the extended-immediate facility. -;; P -- Any integer constant that can be loaded without literal pool. -;; Q -- Memory reference without index register and with short displacement. -;; R -- Memory reference with index register and short displacement. -;; S -- Memory reference without index register but with long displacement. -;; T -- Memory reference with index register and long displacement. -;; A -- Multiple letter constraint followed by Q, R, S, or T: -;; Offsettable memory reference of type specified by second letter. -;; B -- Multiple letter constraint followed by Q, R, S, or T: -;; Memory reference of the type specified by second letter that -;; does *not* refer to a literal pool entry. -;; U -- Pointer with short displacement. (deprecated - use ZQZR) -;; W -- Pointer with long displacement. (deprecated - use ZSZT) -;; Y -- Shift count operand. -;; ZQ -- Pointer without index register and with short displacement. -;; ZR -- Pointer with index register and short displacement. -;; ZS -- Pointer without index register but with long displacement. -;; ZT -- Pointer with index register and long displacement. -;; -;; - - -;; -;; Register constraints. -;; - -(define_register_constraint "a" - "ADDR_REGS" - "Any address register from 1 to 15.") - - -(define_register_constraint "c" - "CC_REGS" - "Condition code register 33") - - -(define_register_constraint "d" - "GENERAL_REGS" - "Any register from 0 to 15") - - -(define_register_constraint "f" - "FP_REGS" - "Floating point registers") - - -(define_register_constraint "t" - "ACCESS_REGS" - "@internal - Access registers 36 and 37") - - -;; -;; General constraints for constants. -;; - -(define_constraint "C" - "@internal - An 8-bit signed immediate constant (-128..127)" - (and (match_code "const_int") - (match_test "ival >= -128 && ival <= 127"))) - - -(define_constraint "D" - "An unsigned 16-bit constant (0..65535)" - (and (match_code "const_int") - (match_test "ival >= 0 && ival <= 65535"))) - - -(define_constraint "G" - "@internal - Const double zero operand" - (and (match_code "const_double") - (match_test "s390_float_const_zero_p (op)"))) - - -(define_constraint "I" - "An 8-bit constant (0..255)" - (and (match_code "const_int") - (match_test "(unsigned HOST_WIDE_INT) ival <= 255"))) - - -(define_constraint "J" - "A 12-bit constant (0..4095)" - (and (match_code "const_int") - (match_test "(unsigned HOST_WIDE_INT) ival <= 4095"))) - - -(define_constraint "K" - "A 16-bit constant (-32768..32767)" - (and (match_code "const_int") - (match_test "ival >= -32768 && ival <= 32767"))) - - -(define_constraint "L" - "Value appropriate as displacement. - (0..4095) for short displacement - (-524288..524287) for long displacement" - (and (match_code "const_int") - (match_test "TARGET_LONG_DISPLACEMENT ? - (ival >= -524288 && ival <= 524287) - : (ival >= 0 && ival <= 4095)"))) - - -(define_constraint "M" - "Constant integer with a value of 0x7fffffff" - (and (match_code "const_int") - (match_test "ival == 2147483647"))) - - -(define_constraint "P" - "@internal - Any integer constant that can be loaded without literal pool" - (and (match_code "const_int") - (match_test "legitimate_reload_constant_p (GEN_INT (ival))"))) - - -(define_address_constraint "Y" - "Shift count operand" - -;; Simply check for the basic form of a shift count. Reload will -;; take care of making sure we have a proper base register. - - (match_test "s390_decompose_shift_count (op, NULL, NULL)" )) - - -;; N -- Multiple letter constraint followed by 4 parameter letters. -;; 0..9,x: number of the part counting from most to least significant -;; H,Q: mode of the part -;; D,S,H: mode of the containing operand -;; 0,F: value of the other parts (F = all bits set) -;; -;; The constraint matches if the specified part of a constant -;; has a value different from its other parts. If the letter x -;; is specified instead of a part number, the constraint matches -;; if there is any single part with non-default value. -;; -;; The following patterns define only those constraints that are actually -;; used in s390.md. If you need an additional one, simply add it in the -;; obvious way. Function s390_N_constraint_str is ready to handle all -;; combinations. -;; - - -(define_constraint "NxQS0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"xQS0\", ival)"))) - - -(define_constraint "NxQD0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"xQD0\", ival)"))) - - -(define_constraint "N3HD0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"3HD0\", ival)"))) - - -(define_constraint "N2HD0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"2HD0\", ival)"))) - - -(define_constraint "N1SD0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"1SD0\", ival)"))) - - -(define_constraint "N1HS0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"1HS0\", ival)"))) - - -(define_constraint "N1HD0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"1HD0\", ival)"))) - - -(define_constraint "N0SD0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"0SD0\", ival)"))) - - -(define_constraint "N0HS0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"0HS0\", ival)"))) - - -(define_constraint "N0HD0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"0HD0\", ival)"))) - - -(define_constraint "NxQDF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"xQDF\", ival)"))) - - -(define_constraint "N1SDF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"1SDF\", ival)"))) - - -(define_constraint "N0SDF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"0SDF\", ival)"))) - - -(define_constraint "N3HDF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"3HDF\", ival)"))) - - -(define_constraint "N2HDF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"2HDF\", ival)"))) - - -(define_constraint "N1HDF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"1HDF\", ival)"))) - - -(define_constraint "N0HDF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"0HDF\", ival)"))) - - -(define_constraint "N0HSF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"0HSF\", ival)"))) - - -(define_constraint "N1HSF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"1HSF\", ival)"))) - - -(define_constraint "NxQSF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"xQSF\", ival)"))) - - -(define_constraint "NxQHF" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"xQHF\", ival)"))) - - -(define_constraint "NxQH0" - "@internal" - (and (match_code "const_int") - (match_test "s390_N_constraint_str (\"xQH0\", ival)"))) - - - - -;; -;; Double-letter constraints starting with O follow. -;; - - -(define_constraint "Os" - "@internal - Signed extended immediate value (-2G .. 2G-1). - This constraint will only match if the machine provides - the extended-immediate facility." - (and (match_code "const_int") - (match_test "s390_O_constraint_str ('s', ival)"))) - - -(define_constraint "Op" - "@internal - Positive extended immediate value (0 .. 4G-1). - This constraint will only match if the machine provides - the extended-immediate facility." - (and (match_code "const_int") - (match_test "s390_O_constraint_str ('p', ival)"))) - - -(define_constraint "On" - "@internal - Negative extended immediate value (-4G+1 .. -1). - This constraint will only match if the machine provides - the extended-immediate facility." - (and (match_code "const_int") - (match_test "s390_O_constraint_str ('n', ival)"))) - - - - -;; -;; Memory constraints follow. -;; - -(define_memory_constraint "Q" - "Memory reference without index register and with short displacement" - (match_test "s390_mem_constraint (\"Q\", op)")) - - -(define_memory_constraint "R" - "Memory reference with index register and short displacement" - (match_test "s390_mem_constraint (\"R\", op)")) - - -(define_memory_constraint "S" - "Memory reference without index register but with long displacement" - (match_test "s390_mem_constraint (\"S\", op)")) - - -(define_memory_constraint "T" - "Memory reference with index register and long displacement" - (match_test "s390_mem_constraint (\"T\", op)")) - - -(define_memory_constraint "b" - "Memory reference whose address is a naturally aligned symbol reference." - (match_test "MEM_P (op) - && s390_check_symref_alignment (XEXP (op, 0), - GET_MODE_SIZE (GET_MODE (op)))")) - -(define_memory_constraint "e" - "Matches all memory references available on the current architecture -level. This constraint will never be used and using it in an inline -assembly is *always* a bug since there is no instruction accepting all -those addresses. It just serves as a placeholder for a generic memory -constraint." - (match_test "strict_memory_address_p (GET_MODE (op), op)")) - -; This defines 'm' as normal memory constraint. This is only possible -; since the standard memory constraint is re-defined in s390.h using -; the TARGET_MEM_CONSTRAINT macro. -(define_memory_constraint "m" - "Matches the most general memory address for pre-z10 machines." - (match_test "s390_mem_constraint (\"R\", op) - || s390_mem_constraint (\"T\", op)")) - -(define_memory_constraint "AQ" - "@internal - Offsettable memory reference without index register and with short displacement" - (match_test "s390_mem_constraint (\"AQ\", op)")) - - -(define_memory_constraint "AR" - "@internal - Offsettable memory reference with index register and short displacement" - (match_test "s390_mem_constraint (\"AR\", op)")) - - -(define_memory_constraint "AS" - "@internal - Offsettable memory reference without index register but with long displacement" - (match_test "s390_mem_constraint (\"AS\", op)")) - - -(define_memory_constraint "AT" - "@internal - Offsettable memory reference with index register and long displacement" - (match_test "s390_mem_constraint (\"AT\", op)")) - - - -(define_constraint "BQ" - "@internal - Memory reference without index register and with short - displacement that does *not* refer to a literal pool entry." - (match_test "s390_mem_constraint (\"BQ\", op)")) - - -(define_constraint "BR" - "@internal - Memory reference with index register and short displacement that - does *not* refer to a literal pool entry. " - (match_test "s390_mem_constraint (\"BR\", op)")) - - -(define_constraint "BS" - "@internal - Memory reference without index register but with long displacement - that does *not* refer to a literal pool entry. " - (match_test "s390_mem_constraint (\"BS\", op)")) - - -(define_constraint "BT" - "@internal - Memory reference with index register and long displacement that - does *not* refer to a literal pool entry. " - (match_test "s390_mem_constraint (\"BT\", op)")) - - -(define_address_constraint "U" - "Pointer with short displacement. (deprecated - use ZQZR)" - (match_test "s390_mem_constraint (\"U\", op)")) - -(define_address_constraint "W" - "Pointer with long displacement. (deprecated - use ZSZT)" - (match_test "s390_mem_constraint (\"W\", op)")) - - -(define_address_constraint "ZQ" - "Pointer without index register and with short displacement." - (match_test "s390_mem_constraint (\"ZQ\", op)")) - -(define_address_constraint "ZR" - "Pointer with index register and short displacement." - (match_test "s390_mem_constraint (\"ZR\", op)")) - -(define_address_constraint "ZS" - "Pointer without index register but with long displacement." - (match_test "s390_mem_constraint (\"ZS\", op)")) - -(define_address_constraint "ZT" - "Pointer with index register and long displacement." - (match_test "s390_mem_constraint (\"ZT\", op)")) |