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| author | Richard Kenner <kenner@gcc.gnu.org> | 1992-09-23 19:21:45 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1992-09-23 19:21:45 -0400 |
| commit | fd8c9e1cb9a9fb0e65087a8a507d168ec5845f22 (patch) | |
| tree | 019439d8c2217b097f52a37bba7fa7ef64363c91 /gcc | |
| parent | 305aa9e2b1256fb8c170e9ff4832ed728f30a029 (diff) | |
| download | gcc-fd8c9e1cb9a9fb0e65087a8a507d168ec5845f22.zip gcc-fd8c9e1cb9a9fb0e65087a8a507d168ec5845f22.tar.gz gcc-fd8c9e1cb9a9fb0e65087a8a507d168ec5845f22.tar.bz2 | |
(define_attr "type"): New type "ibranch".
(define_attr "length"): Set length for "ibranch" type.
(define_attr "in_delay_slot"): Add new type "ibranch"; for "branch", only has
delay slot if length is 4.
(define_attr "cc_type"): Add new type "ibranch".
(indirect branches): Now type "ibranch".
From-SVN: r2213
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/romp/romp.md | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/gcc/config/romp/romp.md b/gcc/config/romp/romp.md index 93b121c..93d61c4 100644 --- a/gcc/config/romp/romp.md +++ b/gcc/config/romp/romp.md @@ -26,7 +26,7 @@ ;; Insn type. Used to default other attribute values. (define_attr "type" - "branch,return,fp,load,loadz,store,call,address,arith,compare,multi,misc" + "branch,ibranch,return,fp,load,loadz,store,call,address,arith,compare,multi,misc" (const_string "arith")) ;; Length in bytes. @@ -39,7 +39,7 @@ (const_int 254))) (const_int 2) (const_int 4)) - (eq_attr "type" "return") (const_int 2) + (eq_attr "type" "return,ibranch") (const_int 2) (eq_attr "type" "fp") (const_int 10) (eq_attr "type" "call") (const_int 4) (eq_attr "type" "load") @@ -60,12 +60,19 @@ (define_attr "in_delay_slot" "yes,no" (cond [(eq_attr "length" "8,10,38") (const_string "no") - (eq_attr "type" "branch,return,call,multi") (const_string "no")] + (eq_attr "type" "branch,ibranch,return,call,multi") + (const_string "no")] (const_string "yes"))) -;; Whether insn needs a delay slot. +;; Whether insn needs a delay slot. We have to say that two-byte +;; branches do not need a delay slot. Otherwise, branch shortening will +;; try to do something with delay slot insns (we want it to on the PA). +;; This is a kludge, which should be cleaned up at some point. + (define_attr "needs_delay_slot" "yes,no" - (if_then_else (eq_attr "type" "branch,return,call") + (if_then_else (ior (and (eq_attr "type" "branch") + (eq_attr "length" "4")) + (eq_attr "type" "ibranch,return,call")) (const_string "yes") (const_string "no"))) ;; What insn does to the condition code. @@ -75,7 +82,7 @@ (cond [(eq_attr "type" "load,loadz") (const_string "change0") (eq_attr "type" "store") (const_string "none") (eq_attr "type" "fp,call") (const_string "clobber") - (eq_attr "type" "branch,return") (const_string "none") + (eq_attr "type" "branch,ibranch,return") (const_string "none") (eq_attr "type" "address") (const_string "change0") (eq_attr "type" "compare") (const_string "compare") (eq_attr "type" "arith") (const_string "sets")] @@ -2711,8 +2718,7 @@ [(set (pc) (match_operand:SI 0 "register_operand" "r"))] "" "br%# %0" - [(set_attr "type" "branch") - (set_attr "length" "2")]) + [(set_attr "type" "ibranch")]) ;; Table jump for switch statements: (define_insn "tablejump" @@ -2721,8 +2727,7 @@ (use (label_ref (match_operand 1 "" "")))] "" "br%# %0" - [(set_attr "type" "branch") - (set_attr "length" "2")]) + [(set_attr "type" "ibranch")]) ;;- Local variables: ;;- mode:emacs-lisp |