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Diffstat (limited to 'gcc/testsuite/gcc.target/i386/i386.exp')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/i386.exp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/i386.exp b/gcc/testsuite/gcc.target/i386/i386.exp index 13d8cff..167b79b 100644 --- a/gcc/testsuite/gcc.target/i386/i386.exp +++ b/gcc/testsuite/gcc.target/i386/i386.exp @@ -186,6 +186,16 @@ proc check_effective_target_xop { } { } "-O2 -mxop" ] } +# Return 1 if lzcnt instruction can be compiled. +proc check_effective_target_lzcnt { } { + return [check_no_compiler_messages lzcnt object { + unsigned short _lzcnt (unsigned short __X) + { + return __builtin_clzs (__X); + } + } "-mlzcnt" ] +} + # Return 1 if bmi instructions can be compiled. proc check_effective_target_bmi { } { return [check_no_compiler_messages bmi object { |