diff options
| author | Martin Peres <martin.peres@labri.fr> | 2014-08-17 17:33:11 +0200 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-09-15 22:24:56 +1000 |
| commit | 2befd17de2dff0238800ffa0b8364e2053f65e9f (patch) | |
| tree | 295d8d51c43b9ed220c41f39d0609a12d02406e6 /drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/macros.fuc | |
| parent | 9db66fceace9811c4602785364b7e30f308cb9c7 (diff) | |
drm/nouveau/pwr: add some arith functions (mul32_32_64, subu64 and addu64)
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/macros.fuc')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/macros.fuc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/macros.fuc b/drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/macros.fuc index 5668e045bac..9707e3f4460 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/macros.fuc +++ b/drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/macros.fuc @@ -250,3 +250,13 @@ */ st b32 D[$r0] reg /* */ clear b32 $r0 #endif + +// does a 64+64 -> 64 unsigned addition (C = A + B) +#define addu64(reg_a_c_hi, reg_a_c_lo, b_hi, b_lo) /* +*/ add b32 reg_a_c_lo b_lo /* +*/ adc b32 reg_a_c_hi b_hi + +// does a 64+64 -> 64 substraction (C = A - B) +#define subu64(reg_a_c_hi, reg_a_c_lo, b_hi, b_lo) /* +*/ sub b32 reg_a_c_lo b_lo /* +*/ sbb b32 reg_a_c_hi b_hi |