diff gcc/testsuite/gcc.dg/20020103-1.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/20020103-1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,39 @@
+/* Verify that constant equivalences get reloaded properly, either by being
+   spilled to the stack, or regenerated, but not dropped to memory.  */
+/* { dg-do compile { target { { i?86-*-* rs6000-*-* alpha*-*-* x86_64-*-* } || { powerpc*-*-* && ilp32 } } } } */
+/* { dg-require-effective-target fpic } */
+/* { dg-options "-O2 -fpic -fno-omit-frame-pointer -fno-asynchronous-unwind-tables" } */
+/* { dg-final { scan-assembler-not "LC\[0-9\]" } } */
+
+/* Clobber all call-saved registers that can hold a pointer value.  */
+#if defined(__i386__)
+#define clobber \
+  asm volatile("#asm" : : : "si", "di")
+#elif defined(__powerpc__) || defined(__PPC__) || defined(__ppc__) || defined(__POWERPC__) || defined(PPC) || defined (_IBMR2) || defined (__ppc)
+#define clobber \
+  asm volatile("#asm" : : : "14", "15", "16", "17", "18", "19", "20", \
+	       "21", "22", "23", "24", "25", "26", "27", "28", "29")
+#elif defined(__alpha__)
+#define clobber \
+  asm volatile("#asm" : : : "$9", "$10", "$11", "$12", "$13", "$14", \
+	       "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", "$f8", "$f9")
+#elif defined(__x86_64__)
+#define clobber \
+  asm volatile("#asm" : : : "rcx", "rdx", "rsi", "rdi", "r8", "r9", "r10", "r11")
+#else
+#error no clobber macro defined
+#endif
+
+extern void f1(int, int, int);
+extern void f2(int*, int*, int*);
+
+extern int ext;
+static int loc_small;
+static int loc_big[100];
+
+void bar(void)
+{
+  f1(ext, loc_small, loc_big[0]);
+  clobber;
+  f2(&ext, &loc_small, &loc_big[0]);
+}