From c99cffd412a041586e8a475bbb75212f3746ca1d Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Sun, 11 Aug 2019 02:31:34 +0000
Subject: strace: Probe for __builtin_popcount

---
 probe/HAVE___BUILTIN_POPCOUNT | 4 ++++
 probe/gen.lua                 | 1 +
 2 files changed, 5 insertions(+)
 create mode 100644 probe/HAVE___BUILTIN_POPCOUNT

(limited to 'probe')

diff --git a/probe/HAVE___BUILTIN_POPCOUNT b/probe/HAVE___BUILTIN_POPCOUNT
new file mode 100644
index 00000000..0ec4e656
--- /dev/null
+++ b/probe/HAVE___BUILTIN_POPCOUNT
@@ -0,0 +1,4 @@
+unsigned x = 0;
+int main(void) {
+	return __builtin_popcount(x);
+}
diff --git a/probe/gen.lua b/probe/gen.lua
index 082f697e..ab2cb3d2 100644
--- a/probe/gen.lua
+++ b/probe/gen.lua
@@ -7,6 +7,7 @@ probe('HAVE__MM_MOVEMASK_EPI8')
 probe('HAVE__THREAD_LOCAL')
 probe('HAVE___BUILTIN_CLZ')
 probe('HAVE___BUILTIN_CTZL')
+probe('HAVE___BUILTIN_POPCOUNT')
 
 local function probesize(var)
 	build('probesize', '$outdir/'..var, {'$dir/'..var, '|', 'scripts/probe-size.sh'}, {var=var})
-- 
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