Mercurial > projects > ldc
view runtime/internal/ldc/bitmanip.d @ 1602:a413ae7329bf
Merge DMD r243: some harmonization with D2 dmd
---
dmd/aggregate.h | 24 ++++-
dmd/attrib.c | 63 ++++++----
dmd/attrib.h | 10 +-
dmd/declaration.h | 5 +-
dmd/func.c | 337 ++++++++++++++++++++++-------------------------------
dmd/mars.c | 2 +-
dmd/mars.h | 7 +
dmd/mtype.h | 13 ++-
dmd/parse.c | 32 ++++-
dmd/parse.h | 14 ++-
dmd/scope.h | 2 +-
11 files changed, 263 insertions(+), 246 deletions(-)
author | Leandro Lucarella <llucax@gmail.com> |
---|---|
date | Wed, 06 Jan 2010 15:18:19 -0300 |
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"); }