From: Richard Kenner <kenner@gcc.gnu.org>
Date: Mon, 28 Oct 1996 22:22:21 +0000 (-0500)
Subject: (emit_move_sequence): If reload in progress, replace reference to
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8a642d97fd65ebd948367a803313ec7ac2c09a03;p=gcc.git

(emit_move_sequence): If reload in progress, replace reference to
pseudo with reference to corresponding MEM.

From-SVN: r13056
---

diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c
index 0cffa6007b6..74d7b8802a5 100644
--- a/gcc/config/pa/pa.c
+++ b/gcc/config/pa/pa.c
@@ -32,6 +32,7 @@ Boston, MA 02111-1307, USA.  */
 #include "insn-attr.h"
 #include "flags.h"
 #include "tree.h"
+#include "reload.h"
 #include "c-tree.h"
 #include "expr.h"
 #include "obstack.h"
@@ -1059,6 +1060,22 @@ emit_move_sequence (operands, mode, scratch_reg)
   register rtx operand0 = operands[0];
   register rtx operand1 = operands[1];
 
+  if (reload_in_progress && GET_CODE (operand0) == REG
+      && REGNO (operand0) >= FIRST_PSEUDO_REGISTER)
+    operand0 = reg_equiv_mem[REGNO (operand0)];
+  else if (reload_in_progress && GET_CODE (operand0) == SUBREG
+	   && GET_CODE (SUBREG_REG (operand0)) == REG
+	   && REGNO (SUBREG_REG (operand0)) >= FIRST_PSEUDO_REGISTER)
+    SUBREG_REG (operand0) = reg_equiv_mem[REGNO (SUBREG_REG (operand0))];
+
+  if (reload_in_progress && GET_CODE (operand1) == REG
+      && REGNO (operand1) >= FIRST_PSEUDO_REGISTER)
+    operand1 = reg_equiv_mem[REGNO (operand1)];
+  else if (reload_in_progress && GET_CODE (operand1) == SUBREG
+	   && GET_CODE (SUBREG_REG (operand1)) == REG
+	   && REGNO (SUBREG_REG (operand1)) >= FIRST_PSEUDO_REGISTER)
+    SUBREG_REG (operand1) = reg_equiv_mem[REGNO (SUBREG_REG (operand1))];
+
   /* Handle secondary reloads for loads/stores of FP registers from
      REG+D addresses where D does not fit in 5 bits, including 
      (subreg (mem (addr))) cases.  */