diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/mn10300/constraints.md | 11 | ||||
| -rw-r--r-- | gcc/config/mn10300/mn10300.md | 8 |
3 files changed, 19 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8d5fb422d77..5b290b788cf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2011-01-11 Richard Henderson <rth@redhat.com> + * config/mn10300/constraints.md ("c"): Rename from "A". + ("A", "D"): New constraint letters. + * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint. + (fmssf4, fnmasf4, fnmssf4): Likewise. + * config/mn10300/mn10300.md (isa): New attribute. (enabled): New attribute. diff --git a/gcc/config/mn10300/constraints.md b/gcc/config/mn10300/constraints.md index 509970cd4b6..c9863fc508c 100644 --- a/gcc/config/mn10300/constraints.md +++ b/gcc/config/mn10300/constraints.md @@ -23,6 +23,15 @@ (define_register_constraint "a" "ADDRESS_REGS" "An address register.") +;; This can be used for QI/HImode memory operations, and most arithmetic. +;; AM33 supports these on all registers, where MN103 needs DATA_REGS. +(define_register_constraint "D" "TARGET_AM33 ? GENERAL_REGS : DATA_REGS" + "A general register for AM33, and a data register otherwise.") + +;; Similarly for ADDRESS_REGS vs GENERAL_REGS. +(define_register_constraint "A" "TARGET_AM33 ? GENERAL_REGS : ADDRESS_REGS" + "A general register for AM33, and an address register otherwise.") + (define_register_constraint "y" "SP_REGS" "An SP register (if available).") @@ -32,7 +41,7 @@ (define_register_constraint "f" "TARGET_AM33_2 ? FP_REGS : NO_REGS" "A floating point register.") -(define_register_constraint "A" "TARGET_AM33_2 ? FP_ACC_REGS : NO_REGS" +(define_register_constraint "c" "TARGET_AM33_2 ? FP_ACC_REGS : NO_REGS" "A floating point accumulator register.") (define_memory_constraint "Q" diff --git a/gcc/config/mn10300/mn10300.md b/gcc/config/mn10300/mn10300.md index bfa453f17c0..1773a03624b 100644 --- a/gcc/config/mn10300/mn10300.md +++ b/gcc/config/mn10300/mn10300.md @@ -2717,7 +2717,7 @@ ) (define_insn "fmasf4" - [(set (match_operand:SF 0 "register_operand" "=A") + [(set (match_operand:SF 0 "register_operand" "=c") (fma:SF (match_operand:SF 1 "register_operand" "f") (match_operand:SF 2 "register_operand" "f") (match_operand:SF 3 "register_operand" "f"))) @@ -2730,7 +2730,7 @@ ) (define_insn "fmssf4" - [(set (match_operand:SF 0 "register_operand" "=A") + [(set (match_operand:SF 0 "register_operand" "=c") (fma:SF (match_operand:SF 1 "register_operand" "f") (match_operand:SF 2 "register_operand" "f") (neg:SF (match_operand:SF 3 "register_operand" "f")))) @@ -2743,7 +2743,7 @@ ) (define_insn "fnmasf4" - [(set (match_operand:SF 0 "register_operand" "=A") + [(set (match_operand:SF 0 "register_operand" "=c") (fma:SF (neg:SF (match_operand:SF 1 "register_operand" "f")) (match_operand:SF 2 "register_operand" "f") (match_operand:SF 3 "register_operand" "f"))) @@ -2756,7 +2756,7 @@ ) (define_insn "fnmssf4" - [(set (match_operand:SF 0 "register_operand" "=A") + [(set (match_operand:SF 0 "register_operand" "=c") (fma:SF (neg:SF (match_operand:SF 1 "register_operand" "f")) (match_operand:SF 2 "register_operand" "f") (neg:SF (match_operand:SF 3 "register_operand" "f")))) |
