(sched_analyze_2): Don't ignore USE insns when creating dependencies.

(sched_analyze): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@4656 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/sched.c b/gcc/sched.c
index 1797d1c..8ddf4bd 100644 (file)
--- a/gcc/sched.c
+++ b/gcc/sched.c
@@ -1881,11 +1881,9 @@ sched_analyze_2 (x, insn)
            for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
              {
                for (u = reg_last_uses[i]; u; u = XEXP (u, 1))
-                 if (GET_CODE (PATTERN (XEXP (u, 0))) != USE)
-                   add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
+                 add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
                reg_last_uses[i] = 0;
-               if (reg_last_sets[i]
-                   && GET_CODE (PATTERN (reg_last_sets[i])) != USE)
+               if (reg_last_sets[i])
                  add_dependence (insn, reg_last_sets[i], 0);
                reg_last_sets[i] = insn;
              }
@@ -2026,11 +2024,9 @@ sched_analyze (head, tail)
            if (call_used_regs[i] || global_regs[i])
              {
                for (u = reg_last_uses[i]; u; u = XEXP (u, 1))
-                 if (GET_CODE (PATTERN (XEXP (u, 0))) != USE)
-                   add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
+                 add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
                reg_last_uses[i] = 0;
-               if (reg_last_sets[i]
-                   && GET_CODE (PATTERN (reg_last_sets[i])) != USE)
+               if (reg_last_sets[i])
                  add_dependence (insn, reg_last_sets[i], REG_DEP_ANTI);
                reg_last_sets[i] = insn;
                /* Insn, being a CALL_INSN, magically depends on