diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-06-24 15:06:40 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-06-24 15:06:40 +0000 |
| commit | c171253f93c55eda1cf89942959f9bc1e481594b (patch) | |
| tree | 9d885c1ed25ed26fe6036220932d00710e3b507a | |
| parent | 1dda4e7455ce4aea81fb0367ebc84338c4b171dc (diff) | |
PR target/61570
* config/i386/driver-i386.c (host_detect_local_cpu): For unknown
model family 6 CPU with has_longmode never use a CPU without
64-bit support.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@211947 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/driver-i386.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8c6b4d9736c..cb0d5e44140 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2014-06-24 Jakub Jelinek <jakub@redhat.com> + PR target/61570 + * config/i386/driver-i386.c (host_detect_local_cpu): For unknown + model family 6 CPU with has_longmode never use a CPU without + 64-bit support. + * gimplify.c (gimplify_omp_for): For #pragma omp for simd iterator not mentioned in clauses use private clause if the iterator is declared in #pragma omp for simd, and when adding lastprivate diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c index 1f5a11c9c08..80f6a087925 100644 --- a/gcc/config/i386/driver-i386.c +++ b/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"; |