diff options
Diffstat (limited to 'gcc/config/mips/mips.md')
| -rw-r--r-- | gcc/config/mips/mips.md | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index d7e59f8..0606f92 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -777,6 +777,8 @@ (define_code_iterator any_lt [lt ltu]) (define_code_iterator any_le [le leu]) +(define_code_iterator any_return [return simple_return]) + ;; <u> expands to an empty string when doing a signed operation and ;; "u" when doing an unsigned operation. (define_code_attr u [(sign_extend "") (zero_extend "u") @@ -798,7 +800,9 @@ (xor "xor") (and "and") (plus "add") - (minus "sub")]) + (minus "sub") + (return "return") + (simple_return "simple_return")]) ;; <insn> expands to the name of the insn that implements a particular code. (define_code_attr insn [(ashift "sll") @@ -5713,21 +5717,26 @@ ;; allows jump optimizations to work better. (define_expand "return" - [(return)] + [(simple_return)] "mips_can_use_return_insn ()" { mips_expand_before_return (); }) -(define_insn "*return" - [(return)] - "mips_can_use_return_insn ()" +(define_expand "simple_return" + [(simple_return)] + "" + { mips_expand_before_return (); }) + +(define_insn "*<optab>" + [(any_return)] + "" "%*j\t$31%/" [(set_attr "type" "jump") (set_attr "mode" "none")]) ;; Normal return. -(define_insn "return_internal" - [(return) +(define_insn "<optab>_internal" + [(any_return) (use (match_operand 0 "pmode_register_operand" ""))] "" "%*j\t%0%/" |