aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr38554.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr38554.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr38554.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr38554.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr38554.c
new file mode 100644
index 000000000..7d40a223b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr38554.c
@@ -0,0 +1,45 @@
+typedef unsigned long sample;
+struct pam
+{
+ sample maxval;
+};
+typedef sample *tuple;
+enum function
+ {
+ FN_MULTIPLY, FN_DIVIDE, FN_ADD, FN_SUBTRACT, FN_MIN, FN_MAX, FN_AND, FN_OR,
+ FN_XOR, FN_NOT, FN_SHIFTLEFT, FN_SHIFTRIGHT
+ };
+struct cmdlineInfo
+{
+ enum function function;
+ union
+ {
+ float divisor;
+ unsigned int shiftCount;
+ }
+ u;
+};
+applyFunction (struct cmdlineInfo const cmdline, struct pam const inpam,
+ struct pam const outpam, tuple * const inputRow,
+ tuple * const outputRow)
+{
+ float const oneOverDivisor = 1 / cmdline.u.divisor;
+ int col;
+ {
+ int plane;
+ {
+ sample const inSample = inputRow[col][plane];
+ sample outSample;
+ switch (cmdline.function)
+ {
+ case FN_DIVIDE:
+ outSample = ((unsigned int) ((inSample * oneOverDivisor) + 0.5));
+ break;
+ case FN_SHIFTLEFT:
+ outSample = (inSample << cmdline.u.shiftCount) & outpam.maxval;
+ }
+ outputRow[col][plane] =
+ ((outpam.maxval) < (outSample) ? (outpam.maxval) : (outSample));
+ }
+ }
+}