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Add -microarch:<string> (e.g. -microarch:native)

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This commit is contained in:
gingerBill
2020-10-20 12:25:11 +01:00
parent b1bdd95f19
commit 0be6ddc7e2
5 changed files with 67 additions and 9 deletions
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src/build_settings.cpp
+27 -5
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@@ -137,6 +137,7 @@ struct BuildContext {
String llc_flags;
String link_flags;
String extra_linker_flags;
String microarch;
BuildModeKind build_mode;
bool generate_docs;
i32 optimization_level;
@@ -706,7 +707,9 @@ void init_build_context(TargetMetrics *cross_target) {
// across OSs. It doesn't make sense to allocate extra data on the heap
// here, so I just #defined the linker flags to keep things concise.
if (bc->metrics.arch == TargetArch_amd64) {
llc_flags = gb_string_appendc(llc_flags, "-march=x86-64 ");
if (bc->microarch.len == 0) {
llc_flags = gb_string_appendc(llc_flags, "-march=x86-64 ");
}
switch (bc->metrics.os) {
case TargetOs_windows:
@@ -718,11 +721,13 @@ void init_build_context(TargetMetrics *cross_target) {
bc->link_flags = str_lit("-arch x86-64 ");
break;
case TargetOs_freebsd:
bc->link_flags = str_lit("-arch x86-64");
bc->link_flags = str_lit("-arch x86-64 ");
break;
}
} else if (bc->metrics.arch == TargetArch_386) {
llc_flags = gb_string_appendc(llc_flags, "-march=x86 ");
if (bc->microarch.len == 0) {
llc_flags = gb_string_appendc(llc_flags, "-march=x86 ");
}
switch (bc->metrics.os) {
case TargetOs_windows:
@@ -736,7 +741,7 @@ void init_build_context(TargetMetrics *cross_target) {
bc->link_flags = str_lit("-arch x86 ");
break;
case TargetOs_freebsd:
bc->link_flags = str_lit("-arch x86");
bc->link_flags = str_lit("-arch x86 ");
break;
}
} else if (bc->metrics.arch == TargetArch_wasm32) {
@@ -745,11 +750,25 @@ void init_build_context(TargetMetrics *cross_target) {
gb_printf_err("Compiler Error: Unsupported architecture\n");;
gb_exit(1);
}
llc_flags = gb_string_appendc(llc_flags, " ");
bc->optimization_level = gb_clamp(bc->optimization_level, 0, 3);
gbString opt_flags = gb_string_make_reserve(heap_allocator(), 64);
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);
opt_flags = gb_string_appendc(opt_flags, " ");
// llc_flags = gb_string_appendc(opt_flags, "-march=");
// llc_flags = gb_string_append_length(llc_flags, bc->microarch.text, bc->microarch.len);
// llc_flags = gb_string_appendc(llc_flags, " ");
}
if (bc->optimization_level != 0) {
opt_flags = gb_string_append_fmt(opt_flags, "-O%d ", bc->optimization_level);
// NOTE(lachsinc): The following options were previously passed during call
@@ -761,7 +780,9 @@ void init_build_context(TargetMetrics *cross_target) {
opt_flags = gb_string_appendc(opt_flags, "-mem2reg -memcpyopt -die ");
}
bc->llc_flags = make_string_c(llc_flags);
// NOTE(lachsinc): This optimization option was previously required to get
@@ -772,6 +793,7 @@ void init_build_context(TargetMetrics *cross_target) {
// }
bc->opt_flags = make_string_c(opt_flags);
bc->llc_flags = make_string_c(llc_flags);
#undef LINK_FLAG_X64