3 files changed, 208 insertions, 3 deletions
diff --git a/benchtests/Makefile b/benchtests/Makefile
index f5488c1339..b184461ffd 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -22,9 +22,8 @@
 subdir := benchtests
 
 include ../Makeconfig
-
-bench := acos acosh asin asinh atan atanh cos cosh exp exp2 log log2 modf pow \
-	 rint sin sincos sinh sqrt tan tanh
+bench := acos acosh asin asinh atan atanh cos cosh exp exp2 ffs ffsll \
+	log log2 modf pow rint sin sincos sinh sqrt tan tanh
 
 # String function benchmarks.
 string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
diff --git a/benchtests/ffs-inputs b/benchtests/ffs-inputs
new file mode 100644
index 0000000000..484fe579b1
--- /dev/null
+++ b/benchtests/ffs-inputs
@@ -0,0 +1,103 @@
+## args: int
+## ret: int
+## includes: strings.h
+0x33ed4
+0x2b
+0xba3f6965
+0x4
+0x927e0ceb
+0x7
+0x0
+0x3418b
+0x318c
+0x19a7402
+0x699d4586
+0x392e4
+0x66
+0x7fc86
+0x13d
+0x2aa7a61
+0x29d
+0x1d729b2
+0x13a
+0x7
+0x11b958
+0x3a6a23
+0x1b0d749
+0x1f12ecb
+0x21
+0x285a
+0x24702
+0x88799
+0x10b
+0x5
+0x572739
+0x12f0
+0xa36c89
+0x1
+0x1f58
+0x33743ce8
+0xbefe
+0x7
+0x3
+0xdc
+0x1713e
+0x8d28
+0xbb0ef6d
+0x3c7
+0x2
+0xd0e53fcc
+0x2e2
+0x762
+0xf
+0x35
+0x2fc6e7a
+0x105
+0x58e3
+0x3
+0x16aa
+0x7b1b38
+0x0
+0x2b
+0x99538d
+0xb3234
+0x322
+0x806bd
+0xd73
+0x503a
+0x7d
+0xb88bb919
+0x4f5
+0x1f757c4f
+0xc37e5
+0xd9e519
+0xf0a
+0xe9f1e8d
+0x4664
+0x4
+0x1
+0x1
+0x0
+0x1ee25
+0x75a24
+0x73c57b0
+0x300e9
+0x9
+0x5b
+0x6d25
+0x38bf436e
+0xf4724994
+0x2b
+0xb8a5de
+0x4a
+0x281da
+0x905db8
+0x3d606
+0x6c200855
+0x21
+0x354e0dfa
+0x2
+0x1
+0xf8297c3
+0x2fed30
+0xd4ab7
diff --git a/benchtests/ffsll-inputs b/benchtests/ffsll-inputs
new file mode 100644
index 0000000000..6b74d89371
--- /dev/null
+++ b/benchtests/ffsll-inputs
@@ -0,0 +1,103 @@
+## args: long long
+## ret: int
+## includes: string.h
+0xedada05aba9463
+0x7c4e52bbc75241
+0x16ab7ad
+0x20ec623a4ccdb
+0x1e24e9ed059d
+0x3acf
+0x6eb28fbb803a274
+0xc1
+0x25fc2148c092529f
+0x1d10ba752e5
+0x322bd878b3
+0x26fa11b70e20
+0x30cd6a05a17ca14b
+0x1591d3a2d0cc7
+0x8119d76e910c1a
+0x2b24d878fee314
+0x1c
+0x3022a3955
+0xedc7b7b6a818
+0x40
+0xf28
+0xa2ecb
+0x56a7e4211a2ca38
+0x6a0ee2316382
+0x634
+0x58
+0x4fad66fb43f5
+0x1f004b76
+0x7
+0x6ff84575bb70af
+0x5d5b4e
+0xaa614b130
+0x15504
+0x1a2e2e7e
+0x54b0f28b383cc
+0x6
+0x2a2a3440b7
+0x158a132dc0c20836
+0x77aa8e9c91c43b1
+0x33f526901fc08594
+0x7bf156c
+0xb458b5e
+0x6289fcb44
+0x4d84973bbd8c00
+0x2e8c2de648
+0x150fab
+0x16ebb7bae02934
+0x485285b6065272
+0xfdde0b16299
+0x747d3c940cb
+0x1bdb379
+0xfcb26a
+0x20b90cc92bbef
+0x46
+0xf0e681aaec28b2d5
+0x10c738cf1109
+0x8509bef69993908
+0x3332
+0x219167d
+0x7eb19c6f88f
+0x32a1b4ead441e65
+0xdc93
+0x327a7e6676802312
+0xcc7296c957
+0xb0b20c47c6b500a
+0x55d614072f1
+0x3c8e4
+0x1a
+0x5809b7ae
+0x2
+0x1525
+0x13
+0x6e
+0x1b
+0x7c58cf
+0x2f5347197bcf6
+0x516a0d576e2c3
+0x4f3cf315
+0x3c16a7531f3a1
+0xa929f8
+0x1ce88e5
+0x6ab464e92bc3
+0x3ff39bb2
+0xea9921
+0xb3009
+0x39b037793bef0da0
+0x5d
+0x39a9989019c92
+0x108bae
+0x239c1c
+0x1851dc9178f4
+0x1fc6f70
+0x38
+0xa8f606a147
+0x30dac66b
+0x76d377c20b0e836
+0x2425
+0x4e5a82884
+0x7a1f128a894728
+0xb5f0af24e3f7347