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-rw-r--r--src/emu/validity.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/emu/validity.cpp b/src/emu/validity.cpp
index a7e87c39f12..ff29b1b7442 100644
--- a/src/emu/validity.cpp
+++ b/src/emu/validity.cpp
@@ -514,9 +514,13 @@ void validity_checker::validate_inlines()
testi32a = (testi32a & 0x0000ffff) | 0x400000;
if (count_leading_zeros(testi32a) != 9)
osd_printf_error("Error testing count_leading_zeros\n");
+ if (count_leading_zeros(0) != 32)
+ osd_printf_error("Error testing count_leading_zeros\n");
testi32a = (testi32a | 0xffff0000) & ~0x400000;
if (count_leading_ones(testi32a) != 9)
osd_printf_error("Error testing count_leading_ones\n");
+ if (count_leading_ones(0xffffffff) != 32)
+ osd_printf_error("Error testing count_leading_ones\n");
}