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small speedup to VertDataMulN(av, n), when passed expressions to 'n' they were calculated 3 times, cuts 78 instructions from resulting assembly (gcc -O2).

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Campbell Barton 2012-04-22 03:25:48 +00:00
parent ac5058b281
commit cd2b142ba0
1 changed files with 1 additions and 1 deletions
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source/blender/blenkernel/intern/CCGSubSurf.c
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@ -282,7 +282,7 @@ static int VertDataEqual(const float *a, const float *b)
#define VertDataCopy(av, bv) { float *_a = (float *)av, *_b = (float *) bv; _a[0] = _b[0]; _a[1] = _b[1]; _a[2] = _b[2]; }
#define VertDataAdd(av, bv) { float *_a = (float *)av, *_b = (float *) bv; _a[0] += _b[0]; _a[1] += _b[1]; _a[2] += _b[2]; }
#define VertDataSub(av, bv) { float *_a = (float *)av, *_b = (float *) bv; _a[0] -= _b[0]; _a[1] -= _b[1]; _a[2] -= _b[2]; }
#define VertDataMulN(av, n) { float *_a = (float *)av; _a[0] *= n; _a[1] *= n; _a[2] *= n; }
#define VertDataMulN(av, n) { float *_a = (float *)av; float _n = n; _a[0] *= _n; _a[1] *= _n; _a[2] *= _n; }
#define VertDataAvg4(tv, av, bv, cv, dv) \
{ \
float *_t = (float *) tv, *_a = (float *) av, *_b = (float *) bv, *_c = (float *) cv, *_d = (float *) dv; \