diff options
Diffstat (limited to 'build/SConstruct')
| -rw-r--r-- | build/SConstruct | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/build/SConstruct b/build/SConstruct index cbb966196..45461b0af 100644 --- a/build/SConstruct +++ b/build/SConstruct @@ -233,6 +233,9 @@ sticky_opts.AddOptions( BoolOption('SS_COMPATIBLE_FP', 'Make floating-point results compatible with SimpleScalar', False), + BoolOption('USE_SSE2', + 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', + False), BoolOption('STATS_BINNING', 'Bin statistics by CPU mode', have_mysql), BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql), BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), @@ -376,6 +379,9 @@ for build_dir in build_dirs: env['CC'] = env['BATCH_CMD'] + ' ' + env['CC'] env['CXX'] = env['BATCH_CMD'] + ' ' + env['CXX'] + if env['USE_SSE2']: + env.Append(CCFLAGS='-msse2') + # The m5/SConscript file sets up the build rules in 'env' according # to the configured options. It returns a list of environments, # one for each variant build (debug, opt, etc.) |