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| author | Jeffrey A Law <law@cygnus.com> | 1999-01-24 07:13:55 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-01-24 00:13:55 -0700 |
| commit | 09554da93e20b43c842a342c82062c18606252f1 (patch) | |
| tree | 8f8542a01950f6de95417cf8452e551edaa154ea | |
| parent | 50c3308739f502960f3c39ce00fcaac47cd6d391 (diff) | |
| download | gcc-09554da93e20b43c842a342c82062c18606252f1.zip gcc-09554da93e20b43c842a342c82062c18606252f1.tar.gz gcc-09554da93e20b43c842a342c82062c18606252f1.tar.bz2 | |
rtl.def (CALL_PLACEHOLDER): New rtx code.
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* rtl.def (CALL_PLACEHOLDER): New rtx code.
From-SVN: r24843
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/rtl.def | 18 |
2 files changed, 22 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 776dcdb..f06b6c2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com) + + * rtl.def (CALL_PLACEHOLDER): New rtx code. + Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info): diff --git a/gcc/rtl.def b/gcc/rtl.def index 970a937..7b8c845 100644 --- a/gcc/rtl.def +++ b/gcc/rtl.def @@ -855,6 +855,24 @@ DEF_RTL_EXPR(RANGE_LIVE, "range_live", "bi", 'x') eliminated by the first CSE pass. */ DEF_RTL_EXPR(CONSTANT_P_RTX, "constant_p_rtx", "e", 'x') +/* A placeholder for a CALL_INSN which may be turned into a normal call, + a sibling (tail) call or tail recursion. + + Immediately after RTL generation, this placeholder will be replaced + by the insns to perform the call, sibcall or tail recursion. + + This RTX has 4 operands. The first three are lists of instructions to + perform the call as a normal call, sibling call and tail recursion + respectively. The latter two lists may be NULL, the first may never + be NULL. + + The last operand is the tail recursion CODE_LABEL, which may be NULL if no + potential tail recursive calls were found. + + The tail recursion label is needed so that we can clear LABEL_PRESERVE_P + after we select a call method. */ +DEF_RTL_EXPR(CALL_PLACEHOLDER, "call_placeholder", "uuuu", 'x') + /* Local variables: mode:c |