diff options
Diffstat (limited to 'gcc/config/riscv/constraints.md')
| -rw-r--r-- | gcc/config/riscv/constraints.md | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/config/riscv/constraints.md b/gcc/config/riscv/constraints.md index 951dcc5..4088c48 100644 --- a/gcc/config/riscv/constraints.md +++ b/gcc/config/riscv/constraints.md @@ -21,8 +21,9 @@ ;; Register constraints -(define_register_constraint "f" "TARGET_HARD_FLOAT ? FP_REGS : NO_REGS" - "A floating-point register (if available).") +(define_register_constraint "f" "TARGET_HARD_FLOAT ? FP_REGS : + (TARGET_ZFINX ? GR_REGS : NO_REGS)" + "A floating-point register (if available, reuse GPR as FPR when use zfinx).") (define_register_constraint "j" "SIBCALL_REGS" "@internal") |