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view runtime/internal/ldc/bitmanip.d @ 1650:40bd4a0d4870
Update to work with LLVM 2.7.
Removed use of dyn_cast, llvm no compiles
without exceptions and rtti by
default. We do need exceptions for the libconfig stuff, but rtti isn't
necessary (anymore).
Debug info needs to be rewritten, as in LLVM 2.7 the format has
completely changed. To have something to look at while rewriting, the
old code has been wrapped inside #ifndef DISABLE_DEBUG_INFO , this means
that you have to define this to compile at the moment.
Updated tango 0.99.9 patch to include updated EH runtime code, which is
needed for LLVM 2.7 as well.
author | Tomas Lindquist Olsen |
---|---|
date | Wed, 19 May 2010 12:42:32 +0200 |
parents | 5dbc63f83380 |
children |
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/* * D phobos intrinsics for LDC * * From GDC ... public domain! */ module ldc.bitmanip; // Check for the right compiler version(LDC) { // OK } else { static assert(false, "This module is only valid for LDC"); } int bsf(uint v) { uint m = 1; uint i; for (i = 0; i < 32; i++,m<<=1) { if (v&m) return i; } return i; // supposed to be undefined } int bsr(uint v) { uint m = 0x80000000; uint i; for (i = 32; i ; i--,m>>>=1) { if (v&m) return i-1; } return i; // supposed to be undefined } int bt(uint *p, uint bitnum) { return (p[bitnum / (uint.sizeof*8)] & (1<<(bitnum & ((uint.sizeof*8)-1)))) ? -1 : 0 ; } int btc(uint *p, uint bitnum) { uint * q = p + (bitnum / (uint.sizeof*8)); uint mask = 1 << (bitnum & ((uint.sizeof*8) - 1)); int result = *q & mask; *q ^= mask; return result ? -1 : 0; } int btr(uint *p, uint bitnum) { uint * q = p + (bitnum / (uint.sizeof*8)); uint mask = 1 << (bitnum & ((uint.sizeof*8) - 1)); int result = *q & mask; *q &= ~mask; return result ? -1 : 0; } int bts(uint *p, uint bitnum) { uint * q = p + (bitnum / (uint.sizeof*8)); uint mask = 1 << (bitnum & ((uint.sizeof*8) - 1)); int result = *q & mask; *q |= mask; return result ? -1 : 0; } pragma(intrinsic, "llvm.bswap.i32") uint bswap(uint val); ubyte inp(uint p) { throw new Exception("inp intrinsic not yet implemented"); } ushort inpw(uint p) { throw new Exception("inpw intrinsic not yet implemented"); } uint inpl(uint p) { throw new Exception("inpl intrinsic not yet implemented"); } ubyte outp(uint p, ubyte v) { throw new Exception("outp intrinsic not yet implemented"); } ushort outpw(uint p, ushort v) { throw new Exception("outpw intrinsic not yet implemented"); } uint outpl(uint p, uint v) { throw new Exception("outpl intrinsic not yet implemented"); }