diff options
Diffstat (limited to 'py/asmxtensa.c')
| -rw-r--r-- | py/asmxtensa.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/py/asmxtensa.c b/py/asmxtensa.c index ab2e7aeae..2b36a56ea 100644 --- a/py/asmxtensa.c +++ b/py/asmxtensa.c @@ -34,6 +34,12 @@ #include "py/asmxtensa.h" +#if N_XTENSAWIN +#define REG_TEMP ASM_XTENSA_REG_TEMPORARY_WIN +#else +#define REG_TEMP ASM_XTENSA_REG_TEMPORARY +#endif + #define WORD_SIZE (4) #define SIGNED_FIT8(x) ((((x) & 0xffffff80) == 0) || (((x) & 0xffffff80) == 0xffffff80)) #define SIGNED_FIT12(x) ((((x) & 0xfffff800) == 0) || (((x) & 0xfffff800) == 0xfffff800)) @@ -248,7 +254,9 @@ void asm_xtensa_l32i_optimised(asm_xtensa_t *as, uint reg_dest, uint reg_base, u } else if (word_offset < 256) { asm_xtensa_op_l32i(as, reg_dest, reg_base, word_offset); } else { - mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("asm overflow")); + asm_xtensa_mov_reg_i32_optimised(as, reg_dest, word_offset * 4); + asm_xtensa_op_add_n(as, reg_dest, reg_base, reg_dest); + asm_xtensa_op_l32i_n(as, reg_dest, reg_dest, 0); } } @@ -258,7 +266,19 @@ void asm_xtensa_s32i_optimised(asm_xtensa_t *as, uint reg_src, uint reg_base, ui } else if (word_offset < 256) { asm_xtensa_op_s32i(as, reg_src, reg_base, word_offset); } else { - mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("asm overflow")); + asm_xtensa_mov_reg_i32_optimised(as, REG_TEMP, word_offset * 4); + asm_xtensa_op_add_n(as, REG_TEMP, reg_base, REG_TEMP); + asm_xtensa_op_s32i_n(as, reg_src, REG_TEMP, 0); + } +} + +void asm_xtensa_l16ui_optimised(asm_xtensa_t *as, uint reg_dest, uint reg_base, uint halfword_offset) { + if (halfword_offset < 256) { + asm_xtensa_op_l16ui(as, reg_dest, reg_base, halfword_offset); + } else { + asm_xtensa_mov_reg_i32_optimised(as, reg_dest, halfword_offset * 2); + asm_xtensa_op_add_n(as, reg_dest, reg_base, reg_dest); + asm_xtensa_op_l16ui(as, reg_dest, reg_dest, 0); } } |