diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/compile/pr38554.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr38554.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr38554.c b/gcc/testsuite/gcc.c-torture/compile/pr38554.c new file mode 100644 index 000000000..7d40a223b --- /dev/null +++ b/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)); + } + } +} |