diff options
| author | Eric Anholt <eric@anholt.net> | 2010-11-02 19:55:07 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-11-03 06:08:27 -0700 |
| commit | bb1540835056cdea5db6f55b19c0c87358f14cd1 (patch) | |
| tree | 0706831df699c89f82558d983651fdf4489dfe6c /src/mesa/drivers/dri/intel/intel_context.h | |
| parent | b19b8580602a6ba37e81dc8b64c4ed30c1518886 (diff) | |
intel: Annotate debug printout checks with unlikely().
This provides the optimizer with hints about code hotness, which we're
quite certain about for debug printouts (or, rather, while we
developers often hit the checks for debug printouts, we don't care
about performance while doing so).
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_context.h')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_context.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h index 46d10d74ba..2ec65b8302 100644 --- a/src/mesa/drivers/dri/intel/intel_context.h +++ b/src/mesa/drivers/dri/intel/intel_context.h @@ -98,6 +98,16 @@ extern void intelFallback(struct intel_context *intel, GLbitfield bit, #define INTEL_MAX_FIXUP 64 +#ifndef likely +#ifdef __GNUC__ +#define likely(expr) (__builtin_expect(expr, 1)) +#define unlikely(expr) (__builtin_expect(expr, 0)) +#else +#define likely(expr) (expr) +#define unlikely(expr) (expr) +#endif +#endif + struct intel_sync_object { struct gl_sync_object Base; @@ -359,10 +369,15 @@ extern int INTEL_DEBUG; #define DEBUG_CLIP 0x8000000 #define DBG(...) do { \ - if (INTEL_DEBUG & FILE_DEBUG_FLAG) \ + if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \ printf(__VA_ARGS__); \ } while(0) +#define fallback_debug(...) do { \ + if (unlikely(INTEL_DEBUG & DEBUG_FALLBACKS)) \ + printf(__VA_ARGS__); \ +} while(0) + #define PCI_CHIP_845_G 0x2562 #define PCI_CHIP_I830_M 0x3577 #define PCI_CHIP_I855_GM 0x3582 |