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Implement --ujit-stats and instructoin counting

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VM and ujit instruction counting in debug builds.

shopify/ruby#19
This commit is contained in:
Alan Wu 2021-01-26 15:21:47 -05:00
parent 36232a48a6
commit b7f93e81df
7 changed files with 86 additions and 12 deletions
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27
ruby.c
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@ -189,6 +189,8 @@ struct ruby_cmdline_options {
#if USE_MJIT
struct mjit_options mjit;
#endif
struct rb_ujit_options ujit;
int sflag, xflag;
unsigned int warning: 1;
unsigned int verbose: 1;
@ -1018,10 +1020,6 @@ set_option_encoding_once(const char *type, VALUE *name, const char *e, long elen
#define set_source_encoding_once(opt, e, elen) \
set_option_encoding_once("source", &(opt)->src.enc.name, (e), (elen))
#if USE_MJIT
static void
setup_mjit_options(const char *s, struct mjit_options *mjit_opt)
{
#define opt_match(s, l, name) \
((((l) > rb_strlen_lit(name)) ? (s)[rb_strlen_lit(name)] == '=' : \
(l) == rb_strlen_lit(name)) && \
@ -1031,6 +1029,24 @@ setup_mjit_options(const char *s, struct mjit_options *mjit_opt)
opt_match(s, l, name) && (*(s) ? (rb_warn("argument to --jit-" name " is ignored"), 1) : 1)
#define opt_match_arg(s, l, name) \
opt_match(s, l, name) && (*(s) ? 1 : (rb_raise(rb_eRuntimeError, "--jit-" name " needs an argument"), 0))
static void
setup_ujit_options(const char *s, struct rb_ujit_options *ujit_opt)
{
*ujit_opt = (struct rb_ujit_options) { 0 };
if (*s != '-') return;
const size_t l = strlen(++s);
if (opt_match_noarg(s, l, "stats")) {
ujit_opt->gen_stats = true;
}
}
#if USE_MJIT
static void
setup_mjit_options(const char *s, struct mjit_options *mjit_opt)
{
if (*s != '-') return;
const size_t l = strlen(++s);
if (*s == 0) return;
@ -1442,6 +1458,7 @@ proc_options(long argc, char **argv, ruby_cmdline_options_t *opt, int envopt)
}
else if (strncmp("ujit", s, 4) == 0) {
FEATURE_SET(opt->features, FEATURE_BIT(ujit));
setup_ujit_options(s + 4, &opt->ujit);
}
else if (strcmp("yydebug", s) == 0) {
if (envopt) goto noenvopt_long;
@ -1804,7 +1821,7 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
rb_warning("-K is specified; it is for 1.8 compatibility and may cause odd behavior");
if (opt->features.set & FEATURE_BIT(ujit))
rb_ujit_init();
rb_ujit_init(&opt->ujit);
#if USE_MJIT
if (opt->features.set & FEATURE_BIT(jit)) {
opt->mjit.on = TRUE; /* set mjit.on for ruby_show_version() API and check to call mjit_init() */