util: Add a helper for faster remainders
This should be at least as fast as using fast_idiv_by_const, and has the
advantage that the precomputation is simple enough to be evaluated at
Mesa-compile time for hash tables and sets which have a fixed table of
possible divisors.
Acked-by: Eric Anholt <eric@anholt.net>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
diff --git a/meson.build b/meson.build
index 2cefbb3..cd994c7 100644
--- a/meson.build
+++ b/meson.build
@@ -834,6 +834,10 @@
name : '__attribute__((__noreturn__))')
pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
endif
+if cc.compiles('__uint128_t foo(void) { return 0; }',
+ name : '__uint128_t')
+ pre_args += '-DHAVE_UINT128'
+endif
# TODO: this is very incomplete
if ['linux', 'cygwin', 'gnu'].contains(host_machine.system())