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| author | Paul Mackerras <paulus@samba.org> | 2008-01-24 15:29:14 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-01-24 15:29:14 +1100 |
| commit | dcb571be2019ae677bc5ed64437dbc87ae1eb67f (patch) | |
| tree | 1b93f9ea3568be4dcc49ffb2adc0d3ab0a02b47f /arch/powerpc/math-emu/op-4.h | |
| parent | 9156ad48338e0306e508ead5c0d9986050744475 (diff) | |
| parent | 96f39c1718091d63dc1c5012d566737ea0d2a20c (diff) | |
| download | blackbird-op-linux-dcb571be2019ae677bc5ed64437dbc87ae1eb67f.tar.gz blackbird-op-linux-dcb571be2019ae677bc5ed64437dbc87ae1eb67f.zip | |
Merge branch 'for-2.6.25' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into for-2.6.25
Diffstat (limited to 'arch/powerpc/math-emu/op-4.h')
| -rw-r--r-- | arch/powerpc/math-emu/op-4.h | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/arch/powerpc/math-emu/op-4.h b/arch/powerpc/math-emu/op-4.h index fcdd6d064c54..c9ae626070da 100644 --- a/arch/powerpc/math-emu/op-4.h +++ b/arch/powerpc/math-emu/op-4.h @@ -194,19 +194,39 @@ (X##_f[3] = I3, X##_f[2] = I2, X##_f[1] = I1, X##_f[0] = I0) #ifndef __FP_FRAC_ADD_4 -#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ - (r0 = x0 + y0, \ - r1 = x1 + y1 + (r0 < x0), \ - r2 = x2 + y2 + (r1 < x1), \ - r3 = x3 + y3 + (r2 < x2)) +#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ + do { \ + int _c1, _c2, _c3; \ + r0 = x0 + y0; \ + _c1 = r0 < x0; \ + r1 = x1 + y1; \ + _c2 = r1 < x1; \ + r1 += _c1; \ + _c2 |= r1 < _c1; \ + r2 = x2 + y2; \ + _c3 = r2 < x2; \ + r2 += _c2; \ + _c3 |= r2 < _c2; \ + r3 = x3 + y3 + _c3; \ + } while (0) #endif #ifndef __FP_FRAC_SUB_4 -#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ - (r0 = x0 - y0, \ - r1 = x1 - y1 - (r0 > x0), \ - r2 = x2 - y2 - (r1 > x1), \ - r3 = x3 - y3 - (r2 > x2)) +#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ + do { \ + int _c1, _c2, _c3; \ + r0 = x0 - y0; \ + _c1 = r0 > x0; \ + r1 = x1 - y1; \ + _c2 = r1 > x1; \ + r1 -= _c1; \ + _c2 |= r1 > _c1; \ + r2 = x2 - y2; \ + _c3 = r2 > x2; \ + r2 -= _c2; \ + _c3 |= r2 > _c2; \ + r3 = x3 - y3 - _c3; \ + } while (0) #endif #ifndef __FP_FRAC_ADDI_4 |
