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| author | Ken Raeburn <raeburn@cygnus.com> | 1998-10-07 18:23:51 +0000 |
|---|---|---|
| committer | Ken Raeburn <raeburn@gcc.gnu.org> | 1998-10-07 18:23:51 +0000 |
| commit | 5924eecfbcaf4606d1a8093d7de5a229a3c76ffb (patch) | |
| tree | bafca9f56fa236b39f38776a16ad1b6592d83179 | |
| parent | 1bba6199035a12b6a16334a6962d960aa7862e52 (diff) | |
| download | gcc-5924eecfbcaf4606d1a8093d7de5a229a3c76ffb.zip gcc-5924eecfbcaf4606d1a8093d7de5a229a3c76ffb.tar.gz gcc-5924eecfbcaf4606d1a8093d7de5a229a3c76ffb.tar.bz2 | |
mips.md (tablejump_internal3, [...]): Tack on a `use' of the table label, so flow analysis will recognize a tablejump.
* config/mips/mips.md (tablejump_internal3, tablejump_internal4 and matching
define_insns): Tack on a `use' of the table label, so flow analysis will
recognize a tablejump.
From-SVN: r22898
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/mips/mips.md | 20 |
2 files changed, 18 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ce6b19a..fd74fa0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com> + + * config/mips/mips.md (tablejump_internal3, tablejump_internal4 + and matching define_insns): Tack on a `use' of the table label, so + flow analysis will recognize a tablejump. + Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com> * gcse.c (pre_insert_insn): Tweek to notice that calls do not diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index 17bd10f..c6c187e 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -8883,9 +8883,10 @@ move\\t%0,%z4\\n\\ (set_attr "length" "1")]) (define_expand "tablejump_internal3" - [(set (pc) - (plus:SI (match_operand:SI 0 "register_operand" "d") - (label_ref:SI (match_operand:SI 1 "" ""))))] + [(parallel [(set (pc) + (plus:SI (match_operand:SI 0 "register_operand" "d") + (label_ref:SI (match_operand:SI 1 "" "")))) + (use (label_ref:SI (match_dup 1)))])] "" "") @@ -8942,7 +8943,8 @@ move\\t%0,%z4\\n\\ (define_insn "" [(set (pc) (plus:SI (match_operand:SI 0 "register_operand" "d") - (label_ref:SI (match_operand:SI 1 "" ""))))] + (label_ref:SI (match_operand:SI 1 "" "")))) + (use (label_ref:SI (match_dup 1)))] "!(Pmode == DImode) && next_active_insn (insn) != 0 && GET_CODE (PATTERN (next_active_insn (insn))) == ADDR_DIFF_VEC && PREV_INSN (next_active_insn (insn)) == operands[1]" @@ -8958,9 +8960,10 @@ move\\t%0,%z4\\n\\ (set_attr "length" "2")]) (define_expand "tablejump_internal4" - [(set (pc) - (plus:DI (match_operand:DI 0 "se_register_operand" "d") - (label_ref:DI (match_operand:SI 1 "" ""))))] + [(parallel [(set (pc) + (plus:DI (match_operand:DI 0 "se_register_operand" "d") + (label_ref:DI (match_operand:SI 1 "" "")))) + (use (label_ref:DI (match_dup 1)))])] "" "") @@ -8970,7 +8973,8 @@ move\\t%0,%z4\\n\\ (define_insn "" [(set (pc) (plus:DI (match_operand:DI 0 "se_register_operand" "d") - (label_ref:DI (match_operand:SI 1 "" ""))))] + (label_ref:DI (match_operand:SI 1 "" "")))) + (use (label_ref:DI (match_dup 1)))] "Pmode == DImode && next_active_insn (insn) != 0 && GET_CODE (PATTERN (next_active_insn (insn))) == ADDR_DIFF_VEC && PREV_INSN (next_active_insn (insn)) == operands[1]" |