From b9342cdfeb475c7f11dcade7cffd5d8e060f3039 Mon Sep 17 00:00:00 2001
From: James Van Artsdalen <jrv@gnu.org>
Date: Fri, 12 Mar 1993 09:27:29 +0000
Subject: [PATCH] (get_true_reg): Don't ignore FLOAT_TRUNCATE.

(subst_stack_regs_pat): Substitute in FLOAT_TRUNCATE insns.
(compare_for_stack_reg): Reset insn code after swapping operands.

From-SVN: r3715
---
 gcc/reg-stack.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index 731a9487e7e..c0a37ee94d2 100644
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -442,8 +442,7 @@ get_true_reg (pat)
   while (GET_CODE (*pat) == SUBREG
 	 || GET_CODE (*pat) == FLOAT
 	 || GET_CODE (*pat) == FIX
-	 || GET_CODE (*pat) == FLOAT_EXTEND
-	 || GET_CODE (*pat) == FLOAT_TRUNCATE)
+	 || GET_CODE (*pat) == FLOAT_EXTEND)
     pat = & XEXP (*pat, 0);
 
   return pat;
@@ -1786,6 +1785,7 @@ compare_for_stack_reg (insn, regstack, pat)
 
       swap_rtx_condition (PATTERN (next));
       INSN_CODE (next) = -1;
+      INSN_CODE (insn) = -1;
     }
 
   /* We will fix any death note later. */
@@ -1896,6 +1896,7 @@ subst_stack_regs_pat (insn, regstack, pat)
 
 	/* Fall through. */
 
+      case FLOAT_TRUNCATE:
       case SQRT:
       case ABS:
       case NEG: