From: Jim Wilson <wilson@gcc.gnu.org>
Date: Thu, 10 Jun 1993 16:55:59 +0000 (-0700)
Subject: (sched_analyze_2): Don't ignore USE insns when creating dependencies.
X-Git-Tag: misc/cutover-egcs-0~9287
X-Git-Url: https://gcc.gnu.org/git/?a=commitdiff_plain;h=35c7a24d6446dffd24ce64310af65b3a5b2f9f03;p=gcc.git

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

(sched_analyze): Likewise.

From-SVN: r4656
---

diff --git a/gcc/sched.c b/gcc/sched.c
index 1797d1c73642..8ddf4bd1e43c 100644
--- 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