Return X86_TDESC_MMX in x86_get_ipa_tdesc_idx

gdb/gdbserver:

2017-09-05  Yao Qi  <yao.qi@linaro.org>

	* linux-x86-low.c (x86_get_ipa_tdesc_idx): Use X86_TDESC_MMX
	instead of 0.

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 8fa8ef1..b6febf2 100644 (file)
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,5 +1,10 @@
 2017-09-05  Yao Qi  <yao.qi@linaro.org>
 
+       * linux-x86-low.c (x86_get_ipa_tdesc_idx): Use X86_TDESC_MMX
+       instead of 0.
+
+2017-09-05  Yao Qi  <yao.qi@linaro.org>
+
        * Makefile.in (IPA_OBJS): Add vec-ipa.o
        * regcache.c (get_thread_regcache): Use VEC_length.
        (init_register_cache): Likewise.

diff --git a/gdb/gdbserver/linux-x86-low.c b/gdb/gdbserver/linux-x86-low.c
index 12c7a1b..5c56a5d 100644 (file)
--- a/gdb/gdbserver/linux-x86-low.c
+++ b/gdb/gdbserver/linux-x86-low.c
@@ -2927,7 +2927,8 @@ x86_get_ipa_tdesc_idx (void)
   if (tdesc == tdesc_i386_avx_avx512_linux)
     return X86_TDESC_AVX_AVX512;
 
-  return 0;
+  /* If none tdesc is found, return the one with minimum features.  */
+  return X86_TDESC_MMX;
 }
 
 /* This is initialized assuming an amd64 target.