diff options
Diffstat (limited to 'gcc-4.9/gcc/config/i386/driver-i386.c')
| -rw-r--r-- | gcc-4.9/gcc/config/i386/driver-i386.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/i386/driver-i386.c b/gcc-4.9/gcc/config/i386/driver-i386.c index 1f5a11c9c..80f6a0879 100644 --- a/gcc-4.9/gcc/config/i386/driver-i386.c +++ b/gcc-4.9/gcc/config/i386/driver-i386.c @@ -739,6 +739,11 @@ const char *host_detect_local_cpu (int argc, const char **argv) /* Assume Core 2. */ cpu = "core2"; } + else if (has_longmode) + /* Perhaps some emulator? Assume x86-64, otherwise gcc + -march=native would be unusable for 64-bit compilations, + as all the CPUs below are 32-bit only. */ + cpu = "x86-64"; else if (has_sse3) /* It is Core Duo. */ cpu = "pentium-m"; |