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.
---
drivers/gpu/drm/radeon/r600_blit.c | 2 +-
drivers/gpu/drm/radeon/r600_blit_shaders.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/radeon/r600_blit.c b/drivers/gpu/drm/radeon/r600_blit.c
index 7c748ba..e3c2d48 100644
--- a/drivers/gpu/drm/radeon/r600_blit.c
+++ b/drivers/gpu/drm/radeon/r600_blit.c
@@ -501,7 +501,7 @@ set_default_state(drm_radeon_private_t *dev_priv)
* This routine depends on the mod(32) behaviour of the rotate instructions
* on x86.
*/
-uint32_t int2float(uint32_t x)
+__pure uint32_t int2float(uint32_t x)
{
uint32_t msb, exponent, fraction;
diff --git a/drivers/gpu/drm/radeon/r600_blit_shaders.h b/drivers/gpu/drm/radeon/r600_blit_shaders.h
index e17c2cb..2f3ce7a 100644
--- a/drivers/gpu/drm/radeon/r600_blit_shaders.h
+++ b/drivers/gpu/drm/radeon/r600_blit_shaders.h
@@ -35,5 +35,5 @@ extern const u32 r6xx_default_state[];
extern const u32 r6xx_ps_size, r6xx_vs_size;
extern const u32 r6xx_default_size, r7xx_default_size;
-uint32_t int2float(uint32_t x);
+__pure uint32_t int2float(uint32_t x);
#endif
--
1.7.10.4
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