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Implement xtensa XIP (#1202)

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Lookup table for i32.const and i64.const for xtensa XIP
Lookup const offset from table for load/store opcodes for xtensa XIP
Fill capability flags for xtensa XIP
Enable lower switch pass for xtensa XIP
This commit is contained in:
Wenyong Huang
2022-08-04 14:42:28 +08:00
committed by GitHub
parent b75ae3363d
commit 6922f3ac68
9 changed files with 94 additions and 17 deletions
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19
core/iwasm/aot/aot_intrinsic.c
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@ -61,8 +61,10 @@ static const aot_intrinsic g_intrinsic_mapping[] = {
{ "f64_promote_f32", "aot_intrinsic_f32_to_f64", AOT_INTRINSIC_FLAG_F32_TO_F64 },
{ "f32_cmp", "aot_intrinsic_f32_cmp", AOT_INTRINSIC_FLAG_F32_CMP },
{ "f64_cmp", "aot_intrinsic_f64_cmp", AOT_INTRINSIC_FLAG_F64_CMP },
{ "f32.const", NULL, AOT_INTRINSIC_FLAG_F32_CONST},
{ "f64.const", NULL, AOT_INTRINSIC_FLAG_F64_CONST},
{ "i32.const", NULL, AOT_INTRINSIC_FLAG_I32_CONST },
{ "i64.const", NULL, AOT_INTRINSIC_FLAG_I64_CONST },
{ "f32.const", NULL, AOT_INTRINSIC_FLAG_F32_CONST },
{ "f64.const", NULL, AOT_INTRINSIC_FLAG_F64_CONST },
};
/* clang-format on */
@ -619,6 +621,19 @@ aot_intrinsic_fill_capability_flags(AOTCompContext *comp_ctx)
add_f64_common_intrinsics(comp_ctx);
add_common_float_integer_convertion(comp_ctx);
}
else if (!strncmp(comp_ctx->target_arch, "xtensa", 6)) {
/*
* Note: Use builtin intrinsics since hardware float operation
* will cause rodata relocation
*/
add_f32_common_intrinsics(comp_ctx);
add_f64_common_intrinsics(comp_ctx);
add_common_float_integer_convertion(comp_ctx);
add_intrinsic_capability(comp_ctx, AOT_INTRINSIC_FLAG_F32_CONST);
add_intrinsic_capability(comp_ctx, AOT_INTRINSIC_FLAG_F64_CONST);
add_intrinsic_capability(comp_ctx, AOT_INTRINSIC_FLAG_I32_CONST);
add_intrinsic_capability(comp_ctx, AOT_INTRINSIC_FLAG_I64_CONST);
}
else {
/*
* Use constant value table by default