From e0a5c5eb0ac20dfb9a0df30728f2bcd82fc17f31 Mon Sep 17 00:00:00 2001 From: Richard Stallman Date: Fri, 21 Aug 1992 06:12:24 +0000 Subject: [PATCH] (emit_insns_after): New function. From-SVN: r1922 --- gcc/emit-rtl.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 7643d7dcaa6..82e87ceb567 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -2185,6 +2185,37 @@ emit_insns_before (insn, before) return last; } +/* Emit the insns in a chain starting with FIRST and place them in back of + the insn AFTER. Return the last insn emitted. */ + +rtx +emit_insns_after (first, after) + register rtx first; + register rtx after; +{ + register rtx last; + register rtx after_after; + + if (!after) + abort (); + + if (!first) + return first; + + for (last = first; NEXT_INSN (last); last = NEXT_INSN (last)) + continue; + + after_after = NEXT_INSN (after); + + NEXT_INSN (after) = first; + PREV_INSN (first) = after; + NEXT_INSN (last) = after_after; + if (after_after) + PREV_INSN (after_after) = last; + + return last; +} + /* Make an insn of code JUMP_INSN with pattern PATTERN and add it to the end of the doubly-linked list. */ -- 2.30.2