diff options
Diffstat (limited to 'gcc/config/riscv/constraints.md')
| -rw-r--r-- | gcc/config/riscv/constraints.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/config/riscv/constraints.md b/gcc/config/riscv/constraints.md index 18556a5..ccab1a2 100644 --- a/gcc/config/riscv/constraints.md +++ b/gcc/config/riscv/constraints.md @@ -43,6 +43,10 @@ (define_register_constraint "cf" "TARGET_HARD_FLOAT ? RVC_FP_REGS : (TARGET_ZFINX ? RVC_GR_REGS : NO_REGS)" "RVC floating-point registers (f8-f15), if available, reuse GPR as FPR when use zfinx.") +(define_register_constraint "cR" "RVC_GR_REGS" + "Even-odd RVC general purpose register (x8-x15)." + "regno % 2 == 0") + ;; General constraints (define_constraint "I" @@ -321,3 +325,7 @@ "A 2-bit unsigned immediate." (and (match_code "const_int") (match_test "IN_RANGE (ival, 0, 3)"))) + +(define_constraint "Q" + "An address operand that is valid for a prefetch instruction" + (match_operand 0 "prefetch_operand")) |