Merge pull request #2262 from colinleroy/optimize-long-assign

Optimize static long assignment a bit
2023-12-08 01:58:01 +01:00
parent 09735b26c5 63861766e1
commit 66bfc31988
7 changed files with 373 additions and 35 deletions
--- a/test/val/long.c
+++ b/test/val/long.c
@@ -0,0 +1,41 @@
+#include <stdint.h>
+#include <stdio.h>
+
+int res = 0;
+
+int main(void)
+{
+    long a, b;
+
+    a = 0x12345678L;
+
+    /* Test assignment */
+    b = a;
+    if (b != a) {
+      res++;
+    }
+
+    /* Test increment */
+    b++;
+    if (b != 0x12345679L) {
+      res++;
+    }
+
+    /* Test decrement */
+    b--;
+    if (b != 0x12345678L) {
+      res++;
+    }
+
+    /* Test pre-decrement with test */
+    if (--b != 0x12345677L) {
+      res++;
+    }
+
+    a = --b;
+    if (a != 0x12345676L) {
+      res++;
+    }
+
+    return res;
+}
--- a/test/val/static-long.c
+++ b/test/val/static-long.c
@@ -0,0 +1,41 @@
+#include <stdint.h>
+#include <stdio.h>
+
+int res = 0;
+
+int main(void)
+{
+    static long a, b;
+
+    a = 0x12345678L;
+
+    /* Test assignment */
+    b = a;
+    if (b != a) {
+      res++;
+    }
+
+    /* Test increment */
+    b++;
+    if (b != 0x12345679L) {
+      res++;
+    }
+
+    /* Test decrement */
+    b--;
+    if (b != 0x12345678L) {
+      res++;
+    }
+
+    /* Test pre-decrement with test */
+    if (--b != 0x12345677L) {
+      res++;
+    }
+
+    a = --b;
+    if (a != 0x12345676L) {
+      res++;
+    }
+
+    return res;
+}