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remove ineffective compiler assist from printf

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The switch statement has no 'default:' case and the function ends
immediately following the switch, so the extra comparison did not
communicate any extra information to the compiler.
This commit is contained in:
Alexander Monakov 2017-07-04 22:53:12 +03:00 committed by Rich Felker
parent bc42dcbfd9
commit 2e6e08423b
2 changed files with 0 additions and 4 deletions
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2
src/stdio/vfprintf.c
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@ -107,8 +107,6 @@ union arg
static void pop_arg(union arg *arg, int type, va_list *ap) static void pop_arg(union arg *arg, int type, va_list *ap)
{ {
/* Give the compiler a hint for optimizing the switch. */
if ((unsigned)type > MAXSTATE) return;
switch (type) { switch (type) {
case PTR: arg->p = va_arg(*ap, void *); case PTR: arg->p = va_arg(*ap, void *);
break; case INT: arg->i = va_arg(*ap, int); break; case INT: arg->i = va_arg(*ap, int);

2
src/stdio/vfwprintf.c
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@ -98,8 +98,6 @@ union arg
static void pop_arg(union arg *arg, int type, va_list *ap) static void pop_arg(union arg *arg, int type, va_list *ap)
{ {
/* Give the compiler a hint for optimizing the switch. */
if ((unsigned)type > MAXSTATE) return;
switch (type) { switch (type) {
case PTR: arg->p = va_arg(*ap, void *); case PTR: arg->p = va_arg(*ap, void *);
break; case INT: arg->i = va_arg(*ap, int); break; case INT: arg->i = va_arg(*ap, int);