From: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri, 5 Feb 2010 15:47:02 +0000 (+0000)
Subject: * ppc-instructions: Fix aliasing bugs when calling
X-Git-Tag: gdb_7_1-2010-02-18-branchpoint~181
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2ad0ff16f7cee57d331450162ec1c2214af9792a;p=external%2Fbinutils.git

* ppc-instructions: Fix aliasing bugs when calling
invalid_arithemetic_operation.
---

diff --git a/sim/ppc/ChangeLog b/sim/ppc/ChangeLog
index 85c20f2..f0476e4 100644
--- a/sim/ppc/ChangeLog
+++ b/sim/ppc/ChangeLog
@@ -1,3 +1,8 @@
+2010-02-05  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* ppc-instructions: Fix aliasing bugs when calling
+	invalid_arithemetic_operation.
+
 2009-11-13  Nathan Froyd  <froydnj@codesourcery.com>
 
 	* configure.ac: If build != host, create a separate build-config.h
diff --git a/sim/ppc/ppc-instructions b/sim/ppc/ppc-instructions
index b025f86..495fe62 100644
--- a/sim/ppc/ppc-instructions
+++ b/sim/ppc/ppc-instructions
@@ -3973,12 +3973,14 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia,
 	                         fpscr_vxsnan | fpscr_vximz,
 	                         0, /*single?*/
 	                         0) /*negate?*/) {
+	  union { double d; unsigned64 u; } tmp;
 	  invalid_arithemetic_operation(processor, cia,
-	                                (unsigned64*)&product, *frA, 0, *frC,
+	                                &tmp.u, *frA, 0, *frC,
 	                                0, /*instruction_is_frsp*/
 	                                0, /*instruction_is_convert_to_64bit*/
 	                                0, /*instruction_is_convert_to_32bit*/
 	                                0); /*single-precision*/
+	  product = tmp.d;
 	}
 	else {
 	  /*HACK!*/
@@ -4018,12 +4020,14 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia,
 	                         fpscr_vxsnan | fpscr_vximz,
 	                         1, /*single?*/
 	                         0) /*negate?*/) {
+	  union { double d; unsigned64 u; } tmp;
 	  invalid_arithemetic_operation(processor, cia,
-	                                (unsigned64*)&product, *frA, 0, *frC,
+	                                &tmp.u, *frA, 0, *frC,
 	                                0, /*instruction_is_frsp*/
 	                                0, /*instruction_is_convert_to_64bit*/
 	                                0, /*instruction_is_convert_to_32bit*/
 	                                0); /*single-precision*/
+	  product = tmp.d;
 	}
 	else {
 	  /*HACK!*/
@@ -4063,12 +4067,14 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia,
 	                         fpscr_vxsnan | fpscr_vximz,
 	                         0, /*single?*/
 	                         0) /*negate?*/) {
+	  union { double d; unsigned64 u; } tmp;
 	  invalid_arithemetic_operation(processor, cia,
-	                                (unsigned64*)&product, *frA, 0, *frC,
+	                                &tmp.u, *frA, 0, *frC,
 	                                0, /*instruction_is_frsp*/
 	                                0, /*instruction_is_convert_to_64bit*/
 	                                0, /*instruction_is_convert_to_32bit*/
 	                                0); /*single-precision*/
+	  product = tmp.d;
 	}
 	else {
 	  /*HACK!*/
@@ -4108,12 +4114,14 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia,
 	                         fpscr_vxsnan | fpscr_vximz,
 	                         1, /*single?*/
 	                         0) /*negate?*/) {
+	  union { double d; unsigned64 u; } tmp;
 	  invalid_arithemetic_operation(processor, cia,
-	                                (unsigned64*)&product, *frA, 0, *frC,
+	                                &tmp.u, *frA, 0, *frC,
 	                                0, /*instruction_is_frsp*/
 	                                0, /*instruction_is_convert_to_64bit*/
 	                                0, /*instruction_is_convert_to_32bit*/
 	                                0); /*single-precision*/
+	  product = tmp.d;
 	}
 	else {
 	  /*HACK!*/
@@ -4153,8 +4161,9 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia,
 	                         fpscr_vxsnan | fpscr_vximz,
 	                         0, /*single?*/
 	                         0) /*negate?*/) {
+	  union { double d; unsigned64 u; } tmp;
 	  invalid_arithemetic_operation(processor, cia,
-	                                (unsigned64*)&product, *frA, 0, *frC,
+	                                &tmp.u, *frA, 0, *frC,
 	                                0, /*instruction_is_frsp*/
 	                                0, /*instruction_is_convert_to_64bit*/
 	                                0, /*instruction_is_convert_to_32bit*/
@@ -4198,12 +4207,14 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia,
 	                         fpscr_vxsnan | fpscr_vximz,
 	                         1, /*single?*/
 	                         0) /*negate?*/) {
+	  union { double d; unsigned64 u; } tmp;
 	  invalid_arithemetic_operation(processor, cia,
-	                                (unsigned64*)&product, *frA, 0, *frC,
+	                                &tmp.u, *frA, 0, *frC,
 	                                0, /*instruction_is_frsp*/
 	                                0, /*instruction_is_convert_to_64bit*/
 	                                0, /*instruction_is_convert_to_32bit*/
 	                                0); /*single-precision*/
+	  product = tmp.d;
 	}
 	else {
 	  /*HACK!*/
@@ -4243,12 +4254,14 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia,
 	                         fpscr_vxsnan | fpscr_vximz,
 	                         0, /*single?*/
 	                         0) /*negate?*/) {
+	  union { double d; unsigned64 u; } tmp;
 	  invalid_arithemetic_operation(processor, cia,
-	                                (unsigned64*)&product, *frA, 0, *frC,
+	                                &tmp.u, *frA, 0, *frC,
 	                                0, /*instruction_is_frsp*/
 	                                0, /*instruction_is_convert_to_64bit*/
 	                                0, /*instruction_is_convert_to_32bit*/
 	                                0); /*single-precision*/
+	  product = tmp.d;
 	}
 	else {
 	  /*HACK!*/
@@ -4288,12 +4301,14 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia,
 	                         fpscr_vxsnan | fpscr_vximz,
 	                         1, /*single?*/
 	                         0) /*negate?*/) {
+	  union { double d; unsigned64 u; } tmp;
 	  invalid_arithemetic_operation(processor, cia,
-	                                (unsigned64*)&product, *frA, 0, *frC,
+	                                &tmp.u, *frA, 0, *frC,
 	                                0, /*instruction_is_frsp*/
 	                                0, /*instruction_is_convert_to_64bit*/
 	                                0, /*instruction_is_convert_to_32bit*/
 	                                0); /*single-precision*/
+	  product = tmp.d;
 	}
 	else {
 	  /*HACK!*/