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authorAlan Modra <amodra@bigpond.net.au>2009-10-30 00:48:54 -0700
committerUlrich Drepper <drepper@redhat.com>2009-10-30 00:48:54 -0700
commit31c759bf37a7a41faf8b13800deb769e8a5f3871 (patch)
treeb1e594e990e74cff74ab667cfb4a57faa790e6dd /sysdeps/powerpc
parent51a71cf063505d689337cf998670691a0a4b2410 (diff)
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Uglify IFUNC tests for PPC.
Diffstat (limited to 'sysdeps/powerpc')
-rw-r--r--sysdeps/powerpc/elf/ifunc-sel.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/powerpc/elf/ifunc-sel.h b/sysdeps/powerpc/elf/ifunc-sel.h
new file mode 100644
index 0000000000..526d8ed88b
--- /dev/null
+++ b/sysdeps/powerpc/elf/ifunc-sel.h
@@ -0,0 +1,46 @@
+/* Used by the elf ifunc tests.  */
+#ifndef ELF_IFUNC_SEL_H
+#define ELF_IFUNC_SEL_H 1
+
+extern int global;
+
+static inline void *
+ifunc_sel (int (*f1) (void), int (*f2) (void), int (*f3) (void))
+{
+  register void *ret __asm__ ("r3");
+  __asm__ ("mflr 12\n\t"
+	   "bcl 20,31,1f\n"
+	   "1:\tmflr 11\n\t"
+	   "mtlr 12\n\t"
+	   "addis 12,11,global-1b@ha\n\t"
+	   "lwz 12,global-1b@l(12)\n\t"
+	   "addis %0,11,%2-1b@ha\n\t"
+	   "addi %0,%0,%2-1b@l\n\t"
+	   "cmpwi 12,1\n\t"
+	   "beqlr\n\t"
+	   "addis %0,11,%3-1b@ha\n\t"
+	   "addi %0,%0,%3-1b@l\n\t"
+	   "cmpwi 12,-1\n\t"
+	   "beqlr\n\t"
+	   "addis %0,11,%4-1b@ha\n\t"
+	   "addi %0,%0,%4-1b@l"
+	   : "=r" (ret)
+	   : "X" (&global), "X" (f1), "X" (f2), "X" (f3));
+  return ret;
+}
+
+static inline void *
+ifunc_one (int (*f1) (void))
+{
+  register void *ret __asm__ ("r3");
+  __asm__ ("mflr 12\n\t"
+	   "bcl 20,31,1f\n"
+	   "1:\tmflr %0\n\t"
+	   "mtlr 12\n\t"
+	   "addis %0,%0,%1-1b@ha\n\t"
+	   "addi %0,%0,%1-1b@l"
+	   : "=r" (ret)
+	   : "X" (f1));
+  return ret;
+}
+#endif