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py/compile: Support multiple inline asm emitters.

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This commit is contained in:
Damien George
2019-03-09 12:32:09 +11:00
parent 9c9bc65e74
commit 55fcb83a42
4 changed files with 49 additions and 3 deletions
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37
py/compile.c
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@@ -115,7 +115,25 @@ STATIC const emit_method_table_t *emit_native_table[] = {
#define NATIVE_EMITTER_TABLE &NATIVE_EMITTER(method_table)
#endif
#if MICROPY_EMIT_INLINE_ASM
#if MICROPY_EMIT_INLINE_ASM && MICROPY_DYNAMIC_COMPILER
#define ASM_EMITTER(f) emit_asm_table[mp_dynamic_compiler.native_arch]->asm_##f
#define ASM_EMITTER_TABLE emit_asm_table[mp_dynamic_compiler.native_arch]
STATIC const emit_inline_asm_method_table_t *emit_asm_table[] = {
NULL,
NULL,
NULL,
NULL,
&emit_inline_thumb_method_table,
&emit_inline_thumb_method_table,
&emit_inline_thumb_method_table,
&emit_inline_thumb_method_table,
&emit_inline_thumb_method_table,
&emit_inline_xtensa_method_table,
};
#elif MICROPY_EMIT_INLINE_ASM
// define macros for inline assembler
#if MICROPY_EMIT_INLINE_THUMB
#define ASM_DECORATOR_QSTR MP_QSTR_asm_thumb
@@ -126,6 +144,7 @@ STATIC const emit_method_table_t *emit_native_table[] = {
#else
#error "unknown asm emitter"
#endif
#define ASM_EMITTER_TABLE &ASM_EMITTER(method_table)
#endif
#define EMIT_INLINE_ASM(fun) (comp->emit_inline_asm_method_table->fun(comp->emit_inline_asm))
@@ -819,9 +838,16 @@ STATIC bool compile_built_in_decorator(compiler_t *comp, int name_len, mp_parse_
*emit_options = MP_EMIT_OPT_VIPER;
#endif
#if MICROPY_EMIT_INLINE_ASM
#if MICROPY_DYNAMIC_COMPILER
} else if (attr == MP_QSTR_asm_thumb) {
*emit_options = MP_EMIT_OPT_ASM;
} else if (attr == MP_QSTR_asm_xtensa) {
*emit_options = MP_EMIT_OPT_ASM;
#else
} else if (attr == ASM_DECORATOR_QSTR) {
*emit_options = MP_EMIT_OPT_ASM;
#endif
#endif
} else {
compile_syntax_error(comp, name_nodes[1], "invalid micropython decorator");
}
@@ -3465,13 +3491,18 @@ mp_raw_code_t *mp_compile_to_raw_code(mp_parse_tree_t *parse_tree, qstr source_f
comp->emit_inline_asm = ASM_EMITTER(new)(max_num_labels);
}
comp->emit = NULL;
comp->emit_inline_asm_method_table = &ASM_EMITTER(method_table);
comp->emit_inline_asm_method_table = ASM_EMITTER_TABLE;
compile_scope_inline_asm(comp, s, MP_PASS_CODE_SIZE);
#if MICROPY_EMIT_INLINE_XTENSA
// Xtensa requires an extra pass to compute size of l32r const table
// TODO this can be improved by calculating it during SCOPE pass
// but that requires some other structural changes to the asm emitters
compile_scope_inline_asm(comp, s, MP_PASS_CODE_SIZE);
#if MICROPY_DYNAMIC_COMPILER
if (mp_dynamic_compiler.native_arch == MP_NATIVE_ARCH_XTENSA)
#endif
{
compile_scope_inline_asm(comp, s, MP_PASS_CODE_SIZE);
}
#endif
if (comp->compile_error == MP_OBJ_NULL) {
compile_scope_inline_asm(comp, s, MP_PASS_EMIT);