resolve impossible constraints at O0. Closes #255

WinterMute · WinterMute · commit 20d90e944b83 · 2026-02-23T17:33:36.000Z
diff --git a/gc/tuxedo/ppc/intrinsics.h b/gc/tuxedo/ppc/intrinsics.h
@@ -61,12 +61,12 @@ MK_INLINE u32 PPCMfmsr(void)
 	return ret;
 }
 
-MK_INLINE void PPCMtspr(unsigned spr, u32 value)
+MK_INLINE void PPCMtspr(const unsigned spr, u32 value)
 {
 	__asm__ __volatile__("mtspr %0, %1" :: "I"(spr), "r"(value) : "memory");
 }
 
-MK_INLINE u32 PPCMfspr(unsigned spr)
+MK_INLINE u32 PPCMfspr(const unsigned spr)
 {
 	u32 ret;
 	__asm__ __volatile__("mfspr %0, %1" : "=r"(ret) : "I"(spr));

Original file line number	Diff line number	Diff line change
`@@ -61,12 +61,12 @@ MK_INLINE u32 PPCMfmsr(void)`
`61`	`61`	`return ret;`
`62`	`62`	`}`
`63`	`63`
`64`		`-MK_INLINE void PPCMtspr(unsigned spr, u32 value)`
	`64`	`+MK_INLINE void PPCMtspr(const unsigned spr, u32 value)`
`65`	`65`	`{`
`66`	`66`	`__asm__ __volatile__("mtspr %0, %1" :: "I"(spr), "r"(value) : "memory");`
`67`	`67`	`}`
`68`	`68`
`69`		`-MK_INLINE u32 PPCMfspr(unsigned spr)`
	`69`	`+MK_INLINE u32 PPCMfspr(const unsigned spr)`
`70`	`70`	`{`
`71`	`71`	`u32 ret;`
`72`	`72`	`__asm__ __volatile__("mfspr %0, %1" : "=r"(ret) : "I"(spr));`