re PR target/64411 (ICE: in verify_target_availability, at sel-sched.c:1577 with -Os -mcmodel=medium -fPIC -fschedule-insns -fselective-scheduling)

gcc/

        PR target/64411
        * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
        factored out from ...
        (sched_analyze_insn): ... here.
        * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
        * sel-sched-ir.c (setup_id_implicit_regs): New function, use
        get_implicit_reg_pending_clobbers in it.
        (setup_id_reg_sets): Use setup_id_implicit_regs.
        (deps_init_id): Ditto.

testsuite/

	PR target/64411
	* gcc.target/i386/pr64411.C: New test.

From-SVN: r234216

1 files changed, 12 insertions, 6 deletions

diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c
index 4961dfb..5cc8e63 100644
--- a/gcc/sched-deps.c
+++ b/gcc/sched-deps.c
@@ -2860,6 +2860,17 @@ sched_macro_fuse_insns (rtx_insn *insn)
 
 }
 
+/* Get the implicit reg pending clobbers for INSN and save them in TEMP.  */
+void
+get_implicit_reg_pending_clobbers (HARD_REG_SET *temp, rtx_insn *insn)
+{
+  extract_insn (insn);
+  preprocess_constraints (insn);
+  alternative_mask preferred = get_preferred_alternatives (insn);
+  ira_implicitly_set_insn_hard_regs (temp, preferred);
+  AND_COMPL_HARD_REG_SET (*temp, ira_no_alloc_regs);
+}
+
 /* Analyze an INSN with pattern X to find all dependencies.  */
 static void
 sched_analyze_insn (struct deps_desc *deps, rtx x, rtx_insn *insn)
@@ -2872,12 +2883,7 @@ sched_analyze_insn (struct deps_desc *deps, rtx x, rtx_insn *insn)
   if (! reload_completed)
     {
       HARD_REG_SET temp;
-
-      extract_insn (insn);
-      preprocess_constraints (insn);
-      alternative_mask prefrred = get_preferred_alternatives (insn);
-      ira_implicitly_set_insn_hard_regs (&temp, prefrred);
-      AND_COMPL_HARD_REG_SET (temp, ira_no_alloc_regs);
+      get_implicit_reg_pending_clobbers (&temp, insn);
       IOR_HARD_REG_SET (implicit_reg_pending_clobbers, temp);
     }