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(push_topmost_sequence, pop_topmost_sequence): New 

functions.

From-SVN: r3841
This commit is contained in:
Tom Wood 1993-03-23 12:52:39 +00:00
parent a93821e903
commit f15ae3a138
1 changed files with 34 additions and 0 deletions
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34
gcc/emit-rtl.c
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@ -2614,6 +2614,40 @@ push_to_sequence (first)
last_insn = last;
}
/* Set up the outer-level insn chain
as the current sequence, saving the previously current one. */
void
push_topmost_sequence ()
{
struct sequence_stack *stack, *top;
start_sequence ();
for (stack = sequence_stack; stack; stack = stack->next)
top = stack;
first_insn = top->first;
last_insn = top->last;
}
/* After emitting to the outer-level insn chain, update the outer-level
insn chain, and restore the previous saved state. */
void
pop_topmost_sequence ()
{
struct sequence_stack *stack, *top;
for (stack = sequence_stack; stack; stack = stack->next)
top = stack;
top->first = first_insn;
top->last = last_insn;
end_sequence ();
}
/* After emitting to a sequence, restore previous saved state.
To get the contents of the sequence just made,