contrib/gcc/function.c

98    (ignoring the prologue and epilogue).  This is set prior to
104    (ignoring the prologue and epilogue).  This is only valid after
133 /* These arrays record the INSN_UIDs of the prologue and epilogue insns.  */
134 static VEC(int,heap) *prologue;
322   VEC_free (int, heap, prologue);
2251 	     is passed on the stack.  Ask the prologue code to extend
2256 	     stack space that the prologue should allocate.
3920      function prologue.  Note linenums could be missing, e.g. when
3943   /* No prologue/epilogue insns yet.  Make sure that these vectors are
3945   gcc_assert (VEC_length (int, prologue) == 0);
4691   if (contains (insn, &prologue))
5104    function prologue note rather than after.  If such instructions are
5111    - It finds the first such prologue insn.
5112    - It finds the last such prologue insn.
5113    - It changes the insn locator of all such prologue insns to
5114      the prologue locator.
5118      after the last prologue insn it finds, and if so, returns
5119      the last prologue insn (otherwise it returns NULL).
5122    safe to move the prologue end note to just below the last
5123    prologue insn it finds.  If ALL of the checks succeed then it
5128 	  first prologue insn.
5129 	- If there are any non-prologue insns between the first & last
5130 	  prologue insn, the non-prologue insns do not outnumber the
5131 	 prologue insns.
5132 	- The first prologue insn & the last prologue insn are in the
5149   /* Go through all the insns and find the first prologue insn, the
5150      last prologue insn, the source line location note, and whether or
5152      prologue insn.  Re-set the insn locator for prologue insns to the
5153      prologue locator.  */
5179   /* If there were no prologue insns, return now.  */
5190   /* If other real insns got moved above the prologue insns, we can't
5191      pull out the prologue insns, so return now.  */
5196   /* Count the number of insns between the first prologue insn and the
5197      last prologue insn; also count the number of non-prologue insns
5198      between the first prologue insn and the last prologue insn.  */
5208   /* If more than half of the insns between the first & last prologue
5209      insns are not prologue insns, then there is too much code that
5210      got moved in between prologue insns (by optimizations), so we
5216   /* Make sure all the prologue insns are within one basic block.
5231 /* Generate the prologue and epilogue RTL if the machine supports it.  Thread
5232    this into place with notes indicating where the prologue ends and where
5265       /* Retain a map of the prologue insns.  */
5266       record_insns (seq, &prologue);
5273       /* Ensure that instructions are not moved into the prologue when
5518 	 line note after the prologue.  Which means (1) that if
5520 	 prologue we should move them, and (2) we should generate a
5589 /* Reposition the prologue-end and epilogue-begin notes after instruction
5599   if ((len = VEC_length (int, prologue)) > 0)
5603       /* Scan from the beginning until we reach the last prologue insn.
5613 	  else if (contains (insn, &prologue))
5623 	  /* Find the prologue-end note if we haven't already, and
5624 	     move it to just after the last prologue insn.  */