[PATCH] MIPS: improve Loongson-2E/2F/3A detection for -march=native

[Huacai Chen]

Hi all,

For human-readability, I submit a patch to Linux kernel to display
Loongson-2E/2F/3A in /proc/cpuinfo. But that break -march=native, this
patch fix that.

Regards,

Huacai

2014-01-10  Huacai Chen  <che...@lemote.com>

        * config/mips/driver-native.c: improve Loongson-2E/2F/3A detection

---
 gcc/config/mips/driver-native.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/gcc/config/mips/driver-native.c b/gcc/config/mips/driver-native.c
index 3f1a8d0..63848d2 100644
--- a/gcc/config/mips/driver-native.c
+++ b/gcc/config/mips/driver-native.c
@@ -58,11 +58,17 @@ host_detect_local_cpu (int argc, const char **argv)
     if (strncmp (buf, "cpu model", sizeof ("cpu model") - 1) == 0)
       {
        if (strstr (buf, "Godson2 V0.2") != NULL
-           || strstr (buf, "Loongson-2 V0.2") != NULL)
+                || strstr (buf, "Loongson-2 V0.2") != NULL
+                || strstr (buf, "Loongson-2E") != NULL)
          cpu = "loongson2e";
        else if (strstr (buf, "Godson2 V0.3") != NULL
-                || strstr (buf, "Loongson-2 V0.3") != NULL)
+                || strstr (buf, "Loongson-2 V0.3") != NULL
+                || strstr (buf, "Loongson-2F") != NULL)
          cpu = "loongson2f";
+       else if (strstr (buf, "Godson3 V0.5") != NULL
+                || strstr (buf, "Loongson-3 V0.5") != NULL
+                || strstr (buf, "Loongson-3A") != NULL)
+         cpu = "loongson3a";
        else if (strstr (buf, "SiByte SB1") != NULL)
          cpu = "sb1";
        else if (strstr (buf, "R5000") != NULL)
-- 
1.8.5.2