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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24627.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24627.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24627.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24627.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24627.c
new file mode 100644
index 000000000..c065eef84
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24627.c
@@ -0,0 +1,67 @@
+/* { dg-do run } */
+/* { dg-options "-O" } */
+/* { dg-require-effective-target int32plus } */
+
+extern void abort (void);
+typedef unsigned int u_int32;
+
+typedef struct {
+ union {u_int32 Xl_ui;} Ul_i;
+ union {u_int32 Xl_uf;} Ul_f;
+} l_fp;
+
+void
+dolfptoa (short ndec)
+{
+ l_fp work, ftmp;
+
+ work.Ul_i.Xl_ui = 0;
+ work.Ul_f.Xl_uf = 0x535f3d8;
+
+ while (ndec > 0)
+ {
+ u_int32 lo_tmp;
+ u_int32 hi_tmp;
+
+ ndec--;
+ work.Ul_i.Xl_ui = 0;
+ work.Ul_i.Xl_ui <<= 1;
+ if ((work.Ul_f.Xl_uf) & 0x80000000)
+ (work.Ul_i.Xl_ui) |= 0x1;
+ (work.Ul_f.Xl_uf) <<= 1;
+
+ ftmp = work;
+ (work.Ul_i.Xl_ui) <<= 1;
+ if ((work.Ul_f.Xl_uf) & 0x80000000)
+ (work.Ul_i.Xl_ui) |= 0x1;
+ (work.Ul_f.Xl_uf) <<= 1;
+
+ (work.Ul_i.Xl_ui) <<= 1;
+ if ((work.Ul_f.Xl_uf) & 0x80000000)
+ (work.Ul_i.Xl_ui) |= 0x1;
+ (work.Ul_f.Xl_uf) <<= 1;
+
+ lo_tmp = ((work.Ul_f.Xl_uf) & 0xffff) + ((ftmp.Ul_f.Xl_uf) & 0xffff);
+ hi_tmp = (((work.Ul_f.Xl_uf) >> 16) & 0xffff)
+ + (((ftmp.Ul_f.Xl_uf) >> 16) & 0xffff);
+
+ if (lo_tmp & 0x10000)
+ hi_tmp++;
+
+ (work.Ul_f.Xl_uf) = ((hi_tmp & 0xffff) << 16) | (lo_tmp & 0xffff);
+ (work.Ul_i.Xl_ui) += (ftmp.Ul_i.Xl_ui);
+
+ if (hi_tmp & 0x10000)
+ (work.Ul_i.Xl_ui)++;
+
+
+ if (!(work.Ul_i.Xl_ui < 10))
+ abort ();
+ }
+}
+
+int main()
+{
+ dolfptoa(6);
+ return 0;
+}