Add ARM operations for 16-bit copy functions

relic-se · relic-se · commit 9c763bae4099 · 2026-03-30T13:16:09.000-05:00
diff --git a/shared-module/audiomixer/Mixer.c b/shared-module/audiomixer/Mixer.c
@@ -156,13 +156,21 @@ static inline uint32_t pack8(uint32_t val) {
 }
 
 static inline uint32_t copy16lsb(uint32_t val) {
+    #if (defined(__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))
+    return __PKHBT(val, val, 16);
+    #else
     val &= 0x0000ffff;
     return val | (val << 16);
+    #endif;
 }
 
 static inline uint32_t copy16msb(uint32_t val) {
+    #if (defined(__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))
+    return __PKHTB(val, val, 16);
+    #else
     val &= 0xffff0000;
     return val | (val >> 16);
+    #endif;
 }
 
 #define ALMOST_ONE (MICROPY_FLOAT_CONST(32767.) / 32768)

Original file line number	Diff line number	Diff line change
`@@ -156,13 +156,21 @@ static inline uint32_t pack8(uint32_t val) {`
`156`	`156`	`}`
`157`	`157`
`158`	`158`	`static inline uint32_t copy16lsb(uint32_t val) {`
	`159`	`+ #if (defined(__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))`
	`160`	`+ return __PKHBT(val, val, 16);`
	`161`	`+ #else`
`159`	`162`	`val &= 0x0000ffff;`
`160`	`163`	`return val \| (val << 16);`
	`164`	`+ #endif;`
`161`	`165`	`}`
`162`	`166`
`163`	`167`	`static inline uint32_t copy16msb(uint32_t val) {`
	`168`	`+ #if (defined(__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1))`
	`169`	`+ return __PKHTB(val, val, 16);`
	`170`	`+ #else`
`164`	`171`	`val &= 0xffff0000;`
`165`	`172`	`return val \| (val >> 16);`
	`173`	`+ #endif;`
`166`	`174`	`}`
`167`	`175`
`168`	`176`	`#define ALMOST_ONE (MICROPY_FLOAT_CONST(32767.) / 32768)`