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(contains): Return the number of insns.

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(reposition_prologue_and_epilogue_notes): Count all the prologue and
        epilogue insns.

From-SVN: r1814
This commit is contained in:
Tom Wood 1992-08-13 20:49:10 +00:00
parent e5ed215546
commit 109140655e
1 changed files with 8 additions and 6 deletions
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14
gcc/function.c
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@ -4278,9 +4278,9 @@ record_insns (insns)
return vec;
}
/* Determine whether INSN is in the array of INSN_UIDs VEC. */
/* Determine how many INSN_UIDs in VEC are part of INSN. */
static rtx
static int
contains (insn, vec)
rtx insn;
int *vec;
@ -4290,16 +4290,18 @@ contains (insn, vec)
if (GET_CODE (insn) == INSN
&& GET_CODE (PATTERN (insn)) == SEQUENCE)
{
int count = 0;
for (i = XVECLEN (PATTERN (insn), 0) - 1; i >= 0; i--)
for (j = 0; vec[j]; j++)
if (INSN_UID (XVECEXP (PATTERN (insn), 0, i)) == vec[j])
return XVECEXP (PATTERN (insn), 0, i);
count++;
return count;
}
else
{
for (j = 0; vec[j]; j++)
if (INSN_UID (insn) == vec[j])
return insn;
return 1;
}
return 0;
}
@ -4411,7 +4413,7 @@ reposition_prologue_and_epilogue_notes (f)
if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_PROLOGUE_END)
note = insn;
}
else if (contains (insn, prologue) && --len == 0)
else if ((len -= contains (insn, prologue)) == 0)
{
/* Find the prologue-end note if we haven't already, and
move it to just after the last prologue insn. */
@ -4446,7 +4448,7 @@ reposition_prologue_and_epilogue_notes (f)
if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_EPILOGUE_BEG)
note = insn;
}
else if (contains (insn, epilogue) && --len == 0)
else if ((len -= contains (insn, epilogue)) == 0)
{
/* Find the epilogue-begin note if we haven't already, and
move it to just before the first epilogue insn. */