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Make more vm_x86 macros use braces so they work with if blah run macro

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MASK_REG in EmitMovEDXStack would incorrectly emit asm if 'andit' was 0.
'andit' would never be 0 though so it wasn't causing issues.

Found by Coverity.
This commit is contained in:
Zack Middleton 2015-07-12 18:56:15 -05:00
parent ee2541efee
commit 2e904141ff
1 changed files with 13 additions and 7 deletions
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20
code/qcommon/vm_x86.c
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@ -203,19 +203,25 @@ static void EmitRexString(byte rex, const char *string)
#define MASK_REG(modrm, mask) \
EmitString("81"); \
EmitString((modrm)); \
Emit4((mask))
do { \
EmitString("81"); \
EmitString((modrm)); \
Emit4((mask)); \
} while(0)
// add bl, bytes
#define STACK_PUSH(bytes) \
EmitString("80 C3"); \
Emit1(bytes)
do { \
EmitString("80 C3"); \
Emit1(bytes); \
} while(0)
// sub bl, bytes
#define STACK_POP(bytes) \
EmitString("80 EB"); \
Emit1(bytes)
do { \
EmitString("80 EB"); \
Emit1(bytes); \
} while(0)
static void EmitCommand(ELastCommand command)
{