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Begin work on aarch64 ABI for -llvm-api

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This commit is contained in:
gingerBill
2021-02-24 16:49:19 +00:00
parent a6fdb5eb5e
commit 2d88c6c6a5
5 changed files with 221 additions and 20 deletions
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src/build_settings.cpp
+37 -14
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@@ -23,6 +23,7 @@ enum TargetArchKind {
TargetArch_amd64,
TargetArch_386,
TargetArch_aarch64,
TargetArch_wasm32,
TargetArch_COUNT,
@@ -53,6 +54,7 @@ String target_arch_names[TargetArch_COUNT] = {
str_lit(""),
str_lit("amd64"),
str_lit("386"),
str_lit("aarch64"),
str_lit("wasm32"),
};
@@ -268,6 +270,15 @@ gb_global TargetMetrics target_darwin_amd64 = {
str_lit("e-m:o-i64:64-f80:128-n8:16:32:64-S128"),
};
gb_global TargetMetrics target_darwin_aarch64 = {
TargetOs_darwin,
TargetArch_aarch64,
8,
16,
str_lit("aarch64-apple-darwin"),
str_lit("e-m:o-i64:64-f64:128-n8:16:32:64-S128"), // TODO(bill): Is this correct?
};
gb_global TargetMetrics target_freebsd_386 = {
TargetOs_freebsd,
TargetArch_386,
@@ -303,21 +314,23 @@ gb_global TargetMetrics target_js_wasm32 = {
};
struct NamedTargetMetrics {
String name;
TargetMetrics *metrics;
};
gb_global NamedTargetMetrics named_targets[] = {
{ str_lit("darwin_amd64"), &target_darwin_amd64 },
{ str_lit("essence_amd64"), &target_essence_amd64 },
{ str_lit("js_wasm32"), &target_js_wasm32 },
{ str_lit("linux_386"), &target_linux_386 },
{ str_lit("linux_amd64"), &target_linux_amd64 },
{ str_lit("windows_386"), &target_windows_386 },
{ str_lit("windows_amd64"), &target_windows_amd64 },
{ str_lit("freebsd_386"), &target_freebsd_386 },
{ str_lit("freebsd_amd64"), &target_freebsd_amd64 },
{ str_lit("darwin_amd64"), &target_darwin_amd64 },
{ str_lit("darwin_aarch64"), &target_darwin_aarch64 },
{ str_lit("essence_amd64"), &target_essence_amd64 },
{ str_lit("js_wasm32"), &target_js_wasm32 },
{ str_lit("linux_386"), &target_linux_386 },
{ str_lit("linux_amd64"), &target_linux_amd64 },
{ str_lit("windows_386"), &target_windows_386 },
{ str_lit("windows_amd64"), &target_windows_amd64 },
{ str_lit("freebsd_386"), &target_freebsd_386 },
{ str_lit("freebsd_amd64"), &target_freebsd_amd64 },
};
NamedTargetMetrics *selected_target_metrics;
@@ -807,6 +820,21 @@ void init_build_context(TargetMetrics *cross_target) {
bc->link_flags = str_lit("-arch x86 ");
break;
}
} else if (bc->metrics.arch == TargetArch_aarch64) {
if (bc->microarch.len == 0) {
llc_flags = gb_string_appendc(llc_flags, "-march=aarch64 ");
}
switch (bc->metrics.os) {
case TargetOs_darwin:
bc->link_flags = str_lit("-arch aarch64 ");
break;
}
if (!bc->use_llvm_api) {
gb_printf_err("The aarch64 architecture is only supported with -llvm-api\n");;
gb_exit(1);
}
} else if (bc->metrics.arch == TargetArch_wasm32) {
bc->link_flags = str_lit("--no-entry --export-table --export-all --allow-undefined ");
} else {
@@ -820,10 +848,6 @@ void init_build_context(TargetMetrics *cross_target) {
gbString opt_flags = gb_string_make_reserve(heap_allocator(), 64);
if (bc->microarch.len == 0) {
bc->microarch = str_lit("generic");
}
if (bc->microarch.len != 0) {
opt_flags = gb_string_appendc(opt_flags, "-march=");
opt_flags = gb_string_append_length(opt_flags, bc->microarch.text, bc->microarch.len);
@@ -850,7 +874,6 @@ void init_build_context(TargetMetrics *cross_target) {
// NOTE(lachsinc): This optimization option was previously required to get
// around an issue in fmt.odin. Thank bp for tracking it down! Leaving for now until the issue
// is resolved and confirmed by Bill. Maybe it should be readded in non-debug builds.