[Qemu-devel] [PATCH] More FORCE_RETs

[Gwenole Beauchesne]

Hi,

This tries to enforce one single exit point per function. Mostly useful
with gcc4 patches.

--- qemu-0.8.0/target-i386/op.c.i386-FORCE_RET  2005-12-19 23:51:53.000000000 
+0100
+++ qemu-0.8.0/target-i386/op.c 2006-02-12 17:51:40.000000000 +0100
@@ -1032,6 +1032,7 @@ void OPPROTO op_aaa(void)
     }
     EAX = (EAX & ~0xffff) | al | (ah << 8);
     CC_SRC = eflags;
+    FORCE_RET();
 }
 
 void OPPROTO op_aas(void)
@@ -1056,6 +1057,7 @@ void OPPROTO op_aas(void)
     }
     EAX = (EAX & ~0xffff) | al | (ah << 8);
     CC_SRC = eflags;
+    FORCE_RET();
 }
 
 void OPPROTO op_daa(void)
@@ -1083,6 +1085,7 @@ void OPPROTO op_daa(void)
     eflags |= parity_table[al]; /* pf */
     eflags |= (al & 0x80); /* sf */
     CC_SRC = eflags;
+    FORCE_RET();
 }
 
 void OPPROTO op_das(void)
@@ -1113,6 +1116,7 @@ void OPPROTO op_das(void)
     eflags |= parity_table[al]; /* pf */
     eflags |= (al & 0x80); /* sf */
     CC_SRC = eflags;
+    FORCE_RET();
 }
 
 /* segment handling */


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