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[avr,committed] Fix PR target/110220: Set JUMP_LABEL as required.

Message ID 0e42ec71-3927-b06a-e531-c70ca5b6ab34@gjlay.de
State New
Headers show
Series [avr,committed] Fix PR target/110220: Set JUMP_LABEL as required. | expand

Commit Message

Georg-Johann Lay Aug. 1, 2023, 1:03 p.m. UTC 
Committed as obvious.  An insn emitted by avr specific RTL optimization 
pass missed setting of its JUMP_LABEL.

Johann

     target/110220: Set JUMP_LABEL and LABEL_NUSES of new branch insn 
generated by
     target specific RTL optimization pass .avr-casesi.

     gcc/
             PR target/110220
             * config/avr/avr.cc (avr_optimize_casesi): Set JUMP_LABEL and
             LABEL_NUSES of new conditional branch instruction.
diff mbox series

Patch

diff --git a/gcc/config/avr/avr.cc b/gcc/config/avr/avr.cc
index 0447641a8e9..25f3f4c22e0 100644
--- a/gcc/config/avr/avr.cc
+++ b/gcc/config/avr/avr.cc
@@ -644,9 +644,11 @@  avr_optimize_casesi (rtx_insn *insns[5], rtx *xop)
    emit_insn (gen_add (reg, reg, gen_int_mode (-low_idx, mode)));
    rtx op0 = reg; rtx op1 = gen_int_mode (num_idx, mode);
    rtx labelref = copy_rtx (xop[4]);
-  emit_jump_insn (gen_cbranch (gen_rtx_fmt_ee (GTU, VOIDmode, op0, op1),
-                               op0, op1,
-                               labelref));
+  rtx xbranch = gen_cbranch (gen_rtx_fmt_ee (GTU, VOIDmode, op0, op1),
+                            op0, op1, labelref);
+  rtx_insn *cbranch = emit_jump_insn (xbranch);
+  JUMP_LABEL (cbranch) = xop[4];
+  ++LABEL_NUSES (xop[4]);

    seq1 = get_insns();
    last1 = get_last_insn();