X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=gcc%2Ftestsuite%2Fgcc.c-torture%2Fexecute%2Fbitfld-1.c;fp=gcc%2Ftestsuite%2Fgcc.c-torture%2Fexecute%2Fbitfld-1.c;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=b7e86e8103e2d5f0bb93f3317237706abb9a708f;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/testsuite/gcc.c-torture/execute/bitfld-1.c b/gcc/testsuite/gcc.c-torture/execute/bitfld-1.c deleted file mode 100644 index b7e86e81..00000000 --- a/gcc/testsuite/gcc.c-torture/execute/bitfld-1.c +++ /dev/null @@ -1,54 +0,0 @@ -/* Copyright 2002 Free Software Foundation, Inc. - - Tests correct signedness of operations on bitfields; in particular - that integer promotions are done correctly, including the case when - casts are present. - - The C front end was eliding the cast of an unsigned bitfield to - unsigned as a no-op, when in fact it forces a conversion to a - full-width unsigned int. (At the time of writing, the C++ front end - has a different bug; it erroneously promotes the uncast unsigned - bitfield to an unsigned int). - - Source: Neil Booth, 25 Jan 2002, based on PR 3325 (and 3326, which - is a different manifestation of the same bug). -*/ - -extern void abort (); - -int -main(int argc, char *argv[]) -{ - struct x { signed int i : 7; unsigned int u : 7; } bit; - - unsigned int u; - int i; - unsigned int unsigned_result = -13U % 61; - int signed_result = -13 % 61; - - bit.u = 61, u = 61; - bit.i = -13, i = -13; - - if (i % u != unsigned_result) - abort (); - if (i % (unsigned int) u != unsigned_result) - abort (); - - /* Somewhat counter-intuitively, bit.u is promoted to an int, making - the operands and result an int. */ - if (i % bit.u != signed_result) - abort (); - - if (bit.i % bit.u != signed_result) - abort (); - - /* But with a cast to unsigned int, the unsigned int is promoted to - itself as a no-op, and the operands and result are unsigned. */ - if (i % (unsigned int) bit.u != unsigned_result) - abort (); - - if (bit.i % (unsigned int) bit.u != unsigned_result) - abort (); - - return 0; -}