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better divTrunc codegen

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branch and phi instead of select instruction

fixes division test for windows. See #302
This commit is contained in:
Andrew Kelley
2017-09-30 16:59:31 -04:00
parent 588d2862d9
commit ba3d21ca67
3 changed files with 29 additions and 5 deletions
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5
src/main.cpp
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@@ -48,6 +48,7 @@ static int usage(const char *arg0) {
" --target-os [name] specify target operating system\n"
" --verbose turn on compiler debug output\n"
" --verbose-link turn on compiler debug output for linking only\n"
" --verbose-ir turn on compiler debug output for IR only\n"
" --zig-std-dir [path] directory where zig standard library resides\n"
" -dirafter [dir] same as -isystem but do it last\n"
" -isystem [dir] add additional search path for other .h files\n"
@@ -186,6 +187,7 @@ int main(int argc, char **argv) {
const char *out_name = nullptr;
bool verbose = false;
bool verbose_link = false;
bool verbose_ir = false;
ErrColor color = ErrColorAuto;
const char *libc_lib_dir = nullptr;
const char *libc_static_lib_dir = nullptr;
@@ -352,6 +354,8 @@ int main(int argc, char **argv) {
verbose = true;
} else if (strcmp(arg, "--verbose-link") == 0) {
verbose_link = true;
} else if (strcmp(arg, "--verbose-ir") == 0) {
verbose_ir = true;
} else if (strcmp(arg, "-mwindows") == 0) {
mwindows = true;
} else if (strcmp(arg, "-mconsole") == 0) {
@@ -630,6 +634,7 @@ int main(int argc, char **argv) {
codegen_set_dynamic_linker(g, buf_create_from_str(dynamic_linker));
codegen_set_verbose(g, verbose);
g->verbose_link = verbose_link;
g->verbose_ir = verbose_ir;
codegen_set_errmsg_color(g, color);
for (size_t i = 0; i < lib_dirs.length; i += 1) {