diff options
Diffstat (limited to 'gcc/config/fx80')
| -rw-r--r-- | gcc/config/fx80/fx80.md | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/config/fx80/fx80.md b/gcc/config/fx80/fx80.md index 0e8c04b..abadd8f 100644 --- a/gcc/config/fx80/fx80.md +++ b/gcc/config/fx80/fx80.md @@ -2432,6 +2432,43 @@ return \"mov%.l a6@(-4),a0\"; }") +;; Call subroutine returning any type. + +(define_expand "untyped_call" + [(parallel [(call (match_operand 0 "" "") + (const_int 0)) + (match_operand 1 "" "") + (match_operand 2 "" "")])] + "" + " +{ + int i; + + emit_call_insn (gen_call (operands[0], const0_rtx, NULL, const0_rtx)); + + for (i = 0; i < XVECLEN (operands[2], 0); i++) + { + rtx set = XVECEXP (operands[2], 0, i); + emit_move_insn (SET_DEST (set), SET_SRC (set)); + } + + /* The optimizer does not know that the call sets the function value + registers we stored in the result block. We avoid problems by + claiming that all hard registers are used and clobbered at this + point. */ + emit_insn (gen_blockage ()); + + DONE; +}") + +;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and +;; all of memory. This blocks insns from being moved across this point. + +(define_insn "blockage" + [(unspec_volatile [(const_int 0)] 0)] + "" + "") + (define_insn "nop" [(const_int 0)] "" |