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-rw-r--r--tccgen.c9
-rw-r--r--tests/tests2/82_nocode_wanted.c80
-rw-r--r--tests/tests2/82_nocode_wanted.expect10
3 files changed, 96 insertions, 3 deletions
diff --git a/tccgen.c b/tccgen.c
index 7be2f2f..c1d5cae 100644
--- a/tccgen.c
+++ b/tccgen.c
@@ -3848,7 +3848,8 @@ ST_FUNC void unary(void)
if (const_wanted)
tcc_error("expected constant");
/* save all registers */
- save_regs(0);
+ if (!nocode_wanted)
+ save_regs(0);
/* statement expression : we do not accept break/continue
inside as GCC does */
block(NULL, NULL, NULL, NULL, 0, 1);
@@ -4878,7 +4879,8 @@ static void block(int *bsym, int *csym, int *case_sym, int *def_sym,
a = gvtst(1, 0);
b = 0;
block(&a, &b, case_sym, def_sym, case_reg, 0);
- gjmp_addr(d);
+ if(!nocode_wanted)
+ gjmp_addr(d);
gsym(a);
gsym_addr(b, d);
} else if (tok == '{') {
@@ -5070,7 +5072,8 @@ static void block(int *bsym, int *csym, int *case_sym, int *def_sym,
}
skip(')');
block(&a, &b, case_sym, def_sym, case_reg, 0);
- gjmp_addr(c);
+ if(!nocode_wanted)
+ gjmp_addr(c);
gsym(a);
gsym_addr(b, c);
scope_stack_bottom = scope_stack_bottom->next;
diff --git a/tests/tests2/82_nocode_wanted.c b/tests/tests2/82_nocode_wanted.c
new file mode 100644
index 0000000..18b4914
--- /dev/null
+++ b/tests/tests2/82_nocode_wanted.c
@@ -0,0 +1,80 @@
+extern int printf(const char *format, ...);
+static void kb_wait_1(void)
+{
+ unsigned long timeout = 2;
+ do {
+ (1 ?
+ printf("timeout=%ld\n", timeout) :
+ ({
+ while (1)
+ printf("error\n");
+ })
+ );
+ timeout--;
+ } while (timeout);
+}
+static void kb_wait_2(void)
+{
+ unsigned long timeout = 2;
+ do {
+ (1 ?
+ printf("timeout=%ld\n", timeout) :
+ ({
+ for (;;)
+ printf("error\n");
+ })
+ );
+ timeout--;
+ } while (timeout);
+}
+static void kb_wait_3(void)
+{
+ unsigned long timeout = 2;
+ do {
+ (1 ?
+ printf("timeout=%ld\n", timeout) :
+ ({
+ int i = 1;
+ goto label;
+ i = i + 2;
+ label:
+ i = i + 3;
+ })
+ );
+ timeout--;
+ } while (timeout);
+}
+static void kb_wait_4(void)
+{
+ unsigned long timeout = 2;
+ do {
+ (1 ?
+ printf("timeout=%ld\n", timeout) :
+ ({
+ switch(timeout) {
+ case 2:
+ printf("timeout is 2");
+ break;
+ case 1:
+ printf("timeout is 1");
+ break;
+ default:
+ printf("timeout is 0?");
+ break;
+ };
+ // return;
+ })
+ );
+ timeout--;
+ } while (timeout);
+}
+int main()
+{
+ printf("begin\n");
+ kb_wait_1();
+ kb_wait_2();
+ kb_wait_3();
+ kb_wait_4();
+ printf("end\n");
+ return 0;
+}
diff --git a/tests/tests2/82_nocode_wanted.expect b/tests/tests2/82_nocode_wanted.expect
new file mode 100644
index 0000000..3828ca8
--- /dev/null
+++ b/tests/tests2/82_nocode_wanted.expect
@@ -0,0 +1,10 @@
+begin
+timeout=2
+timeout=1
+timeout=2
+timeout=1
+timeout=2
+timeout=1
+timeout=2
+timeout=1
+end