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| author | Steven Fuerst <svfuerst@gmail.com> | 2012-08-16 02:07:16 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-09-20 21:10:34 +0400 |
| commit | 9e9eb7c60d57620bfe46b2a489e7f56a5925115a (patch) | |
| tree | 8a22cea5cebee49a5e9bdbe205965270cc3414b4 /drivers/gpu/drm/radeon/r600_blit.c | |
| parent | 747f49ba67b8895a5831ab539de551b916f3738c (diff) | |
| download | linux-9e9eb7c60d57620bfe46b2a489e7f56a5925115a.tar.xz | |
Annotate int2float() as being a pure function.
This allows gcc to fold duplicate calls into a single call. Since
the current users do actually call it multiple times with the
same arguments, this is an obvious win.
Signed-off-by: Steven Fuerst <svfuerst@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_blit.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_blit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r600_blit.c b/drivers/gpu/drm/radeon/r600_blit.c index 7d8ac42e3846..661fec2a2cc1 100644 --- a/drivers/gpu/drm/radeon/r600_blit.c +++ b/drivers/gpu/drm/radeon/r600_blit.c @@ -499,7 +499,7 @@ set_default_state(drm_radeon_private_t *dev_priv) * as the fractional bits will not fit in a float. (It would be better to * round towards even as the fpu does, but that is slower.) */ -uint32_t int2float(uint32_t x) +__pure uint32_t int2float(uint32_t x) { uint32_t msb, exponent, fraction; |