Mouse code for the MacroRat
mbed-dev/targets/TARGET_RENESAS/TARGET_RZ_A1H/device/vfp_neon_push_pop.h
- Committer:
- sahilmgandhi
- Date:
- 2017-06-03
- Revision:
- 46:b156ef445742
- Parent:
- 18:6a4db94011d3
File content as of revision 46:b156ef445742:
#ifndef __VFP_NEON_PUSH_POP_H__ #define __VFP_NEON_PUSH_POP_H__ #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ /* ARM armcc specific functions */ #pragma push #pragma arm __STATIC_ASM void __vfp_neon_push(void) { ARM VMRS R2,FPSCR STMDB SP!,{R2,R4} ; Push FPSCR, maintain 8-byte alignment VSTMDB SP!,{D0-D15} VSTMDB SP!,{D16-D31} BX LR } #pragma pop #pragma push #pragma arm __STATIC_ASM void __vfp_neon_pop(void) { ARM VLDMIA SP!,{D16-D31} VLDMIA SP!,{D0-D15} LDR R2,[SP] VMSR FPSCR,R2 ADD SP,SP,#8 BX LR } #pragma pop #pragma push #pragma arm __STATIC_ASM void __vfp_push(void) { ARM VMRS R2,FPSCR STMDB SP!,{R2,R4} ; Push FPSCR, maintain 8-byte alignment VSTMDB SP!,{D0-D15} BX LR } #pragma pop #pragma push #pragma arm __STATIC_ASM void __vfp_pop(void) { ARM VLDMIA SP!,{D0-D15} LDR R2,[SP] VMSR FPSCR,R2 ADD SP,SP,#8 BX LR } #pragma pop #elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ __arm static inline void __vfp_neon_push(void) { __asm( "ARM \n" "VMRS R2,FPSCR \n" "STMDB SP!,{R2,R4} \n" // Push FPSCR, maintain 8-byte alignment "VSTMDB SP!,{D0-D15} \n" "VSTMDB SP!,{D16-D31} \n" "BX lr \n" ); } __arm static inline void __vfp_neon_pop(void) { __asm( "ARM \n" "VLDMIA SP!,{D16-D31} \n" "VLDMIA SP!,{D0-D15} \n" "LDR R2,[SP] \n" "VMSR FPSCR,R2 \n" "ADD SP,SP,#8 \n" "BX lr \n" ); } __arm static inline void __vfp_push(void) { __asm( "ARM \n" "VMRS R2,FPSCR \n" "STMDB SP!,{R2,R4} \n" // Push FPSCR, maintain 8-byte alignment "VSTMDB SP!,{D0-D15} \n" "BX lr \n" ); } __arm static inline void __vfp_pop(void) { __asm( "ARM \n" "VLDMIA SP!,{D0-D15} \n" "LDR R2,[SP] \n" "VMSR FPSCR,R2 \n" "ADD SP,SP,#8 \n" "BX lr \n" ); } #elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ __attribute__( ( always_inline ) ) __STATIC_INLINE void __vfp_neon_push(void) { __asm__ volatile ( ".ARM;" "VMRS R2,FPSCR;" "STMDB SP!,{R2,R4};" // Push FPSCR, maintain 8-byte alignment "VSTMDB SP!,{D0-D15};" "VSTMDB SP!,{D16-D31};" : : "i"(MODE_USR) : ); return; } __attribute__( ( always_inline ) ) __STATIC_INLINE void __vfp_neon_pop(void) { __asm__ volatile ( ".ARM;" "VLDMIA SP!,{D16-D31};" "VLDMIA SP!,{D0-D15};" "LDR R2,[SP];" "VMSR FPSCR,R2;" "ADD SP,SP,#8;" : : "i"(MODE_USR) : ); return; } __attribute__( ( always_inline ) ) __STATIC_INLINE void __vfp_push(void) { __asm__ volatile ( ".ARM;" "VMRS R2,FPSCR;" "STMDB SP!,{R2,R4};" // Push FPSCR, maintain 8-byte alignment "VSTMDB SP!,{D0-D15};" : : "i"(MODE_USR) : ); return; } __attribute__( ( always_inline ) ) __STATIC_INLINE void __vfp_pop(void) { __asm__ volatile ( ".ARM;" "VLDMIA SP!,{D0-D15};" "LDR R2,[SP];" "VMSR FPSCR,R2;" "ADD SP,SP,#8;" : : "i"(MODE_USR) : ); return; } #endif #endif