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Signed-off-by: Ian Romanick <[email protected]>
Suggested-by: Matt Turner <[email protected]>
Reviewed-by: Eduardo Lima Mitev <[email protected]>
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Eduardo Lima Mitev <[email protected]>
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util_is_power_of_two_or_zero
The new name make the zero-input behavior more obvious. The next
patch adds a new function with different zero-input behavior.
Signed-off-by: Ian Romanick <[email protected]>
Suggested-by: Matt Turner <[email protected]>
Reviewed-by: Alejandro Piñeiro <[email protected]>
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It can't parse "llu".
Reviewed-by: Thomas Helland <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
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Otherwise we'll get errors such as
error: conflicting types for ‘ffs’
error: conflicting types for ‘ffsll’
We might want to improve the heuristics and provide a definition only
when a native one is missing. We can address that at a later stage.
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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v2: add u_bit_consecutive64
Reviewed-by: Nicolai Hähnle <[email protected]>
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Fix build error with clang.
Compiling src/compiler/glsl/link_varyings.cpp ...
In file included from src/compiler/glsl/link_varyings.cpp:33:
In file included from src/compiler/glsl/glsl_symbol_table.h:34:
In file included from src/compiler/glsl/ir.h:33:
In file included from src/compiler/glsl_types.h:29:
/usr/include/string.h:518:12: error: exception specification in declaration does not match previous declaration
extern int ffs (int __i) __THROW __attribute__ ((__const__));
^
src/util/bitscan.h:51:13: note: expanded from macro 'ffs'
^
src/util/bitscan.h:96:18: note: previous declaration is here
const int i = ffs(*mask) - 1;
^
src/util/bitscan.h:51:13: note: expanded from macro 'ffs'
^
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97952
Signed-off-by: Vinson Lee <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
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v2: Split into two patches.
v3: Fix off by one problem.
Signed-off-by: Mathias Fröhlich <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Tested-by: Brian Paul <[email protected]>
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As requested with the initial creation of util/bitscan.h
now move other bitscan related functions into util.
v2: Split into two patches.
Signed-off-by: Mathias Fröhlich <[email protected]>
Tested-by: Brian Paul <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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The functions are also useful for mesa.
Introduce src/util/bitscan.{h,c}. Move ffs function
implementations from src/mesa/main/imports.{h,c}.
Move bit scan related functions from
src/gallium/auxiliary/util/u_math.h. Merge platform
handling with what is available from within mesa.
v2: Try to fix MSVC compile.
Reviewed-by: Brian Paul <[email protected]>
Tested-by: Brian Paul <[email protected]>
Signed-off-by: Mathias Fröhlich <[email protected]>
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