diff options
Diffstat (limited to 'gcc/config/arm/constraints.md')
| -rw-r--r-- | gcc/config/arm/constraints.md | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/config/arm/constraints.md b/gcc/config/arm/constraints.md index 775f8afd7f3..767ebfb6080 100644 --- a/gcc/config/arm/constraints.md +++ b/gcc/config/arm/constraints.md @@ -21,7 +21,7 @@ ;; The following register constraints have been used: ;; - in ARM/Thumb-2 state: t, w, x, y, z ;; - in Thumb state: h, b -;; - in both states: l, c, k +;; - in both states: l, c, k, q ;; In ARM state, 'l' is an alias for 'r' ;; 'f' and 'v' were previously used for FPA and MAVERICK registers. @@ -86,6 +86,9 @@ (define_register_constraint "k" "STACK_REG" "@internal The stack register.") +(define_register_constraint "q" "(TARGET_ARM && TARGET_LDRD) ? CORE_REGS : GENERAL_REGS" + "@internal In ARM state with LDRD support, core registers, otherwise general registers.") + (define_register_constraint "b" "TARGET_THUMB ? BASE_REGS : NO_REGS" "@internal Thumb only. The union of the low registers and the stack register.") @@ -248,6 +251,12 @@ (and (match_code "const_int") (match_test "TARGET_32BIT && const_ok_for_dimode_op (ival, PLUS)"))) +(define_constraint "De" + "@internal + In ARM/Thumb-2 state a const_int that can be used by insn anddi." + (and (match_code "const_int") + (match_test "TARGET_32BIT && const_ok_for_dimode_op (ival, AND)"))) + (define_constraint "Di" "@internal In ARM/Thumb-2 state a const_int or const_double where both the high |