Hi,
On 12/02/07, Andi Kleen <[email protected]> wrote:
setcc() in math-emu is written as a gcc extension statement expression
macro that returns a value. However, it's not used that way and it's not
needed like that, so just make it a do-while non-extension macro so that we
don't use an extension when it's not needed.
This description ...
-#define setcc(cc) ({ \
- partial_status &= ~(SW_C0|SW_C1|SW_C2|SW_C3); \
- partial_status |= (cc) & (SW_C0|SW_C1|SW_C2|SW_C3); })
+static inline void setcc(int cc)
+{
+ partial_status &= ~(SW_C0|SW_C1|SW_C2|SW_C3);
+ partial_status |= (cc) & (SW_C0|SW_C1|SW_C2|SW_C3);
+}
... seems to contradict the implementation. No "do-while" here.
I hope this helps,
Jochen
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http://seehuhn.de/
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