From: Daniel Jacobowitz <dan@debian.org>
Date: Fri, 3 Sep 2004 19:34:15 +0000 (+0000)
Subject: reload.c (find_reloads): Swap operand_loc pointers for find_dummy_reload if we have... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=87cda9d6cadaff58cbebb89bc5c0b8bd72ed1ff1;p=gcc.git

reload.c (find_reloads): Swap operand_loc pointers for find_dummy_reload if we have swapped two operands.

	* reload.c (find_reloads): Swap operand_loc pointers for
	find_dummy_reload if we have swapped two operands.

From-SVN: r87049
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9c4561fa2fa..c20d4a9b5d3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-09-03  Daniel Jacobowitz  <dan@debian.org>
+
+	* reload.c (find_reloads): Swap operand_loc pointers for
+	find_dummy_reload if we have swapped two operands.
+
 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
 
 	* config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
diff --git a/gcc/reload.c b/gcc/reload.c
index 260e4b7a3aa..950d6fd3088 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -3079,6 +3079,7 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known,
 		  {
 		    /* Operands don't match.  */
 		    rtx value;
+		    int loc1, loc2;
 		    /* Retroactively mark the operand we had to match
 		       as a loser, if it wasn't already.  */
 		    if (this_alternative_win[m])
@@ -3087,12 +3088,26 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known,
 		    if (this_alternative[m] == (int) NO_REGS)
 		      bad = 1;
 		    /* But count the pair only once in the total badness of
-		       this alternative, if the pair can be a dummy reload.  */
+		       this alternative, if the pair can be a dummy reload.
+		       The pointers in operand_loc are not swapped; swap
+		       them by hand if necessary.  */
+		    if (swapped && i == commutative)
+		      loc1 = commutative + 1;
+		    else if (swapped && i == commutative + 1)
+		      loc1 = commutative;
+		    else
+		      loc1 = i;
+		    if (swapped && m == commutative)
+		      loc2 = commutative + 1;
+		    else if (swapped && m == commutative + 1)
+		      loc2 = commutative;
+		    else
+		      loc2 = m;
 		    value
 		      = find_dummy_reload (recog_data.operand[i],
 					   recog_data.operand[m],
-					   recog_data.operand_loc[i],
-					   recog_data.operand_loc[m],
+					   recog_data.operand_loc[loc1],
+					   recog_data.operand_loc[loc2],
 					   operand_mode[i], operand_mode[m],
 					   this_alternative[m], -1,
 					   this_alternative_earlyclobber[m]);