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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/58269] [4.9 Regression] ICE when building libobjc on x86_64-apple-darwin*  after revision 201915
Date: Fri, 06 Sep 2013 15:52:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58269

--- Comment #17 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Jack Howarth from comment #16)
> Trunk still ICEs on x86_64-apple-darwin12...
> 
> /sw/src/fink.build/gcc49-4.9.0-1000/gcc-4.9-20130906/libobjc/sendmsg.c:848:1:
> internal compiler error: in check_rtl, at lra.c:2034
>  }
>  ^
> using...
> 
> r202335 | hubicka | 2013-09-06 10:39:17 -0400 (Fri, 06 Sep 2013) | 3 lines
> 
>         * i386.c (ix86_hard_regno_mode_ok): AVX modes are valid only when   
> 
>         AVX is enabled.

I have 202322 built with

       /* OImode move is available only when AVX is enabled.  */
       return ((TARGET_AVX && mode == OImode)
-          || VALID_AVX256_REG_MODE (mode)
+          || (TARGET_AVX && VALID_AVX256_REG_MODE (mode))
           || VALID_SSE_REG_MODE (mode)
           || VALID_SSE2_REG_MODE (mode)
           || VALID_MMX_REG_MODE (mode)

and

-  if (TARGET_MACHO)
-    {
-      if (SSE_REGNO_P (regno) && TARGET_SSE)
-        return true;
-    }
-  else
-    {
-      if (TARGET_SSE && SSE_REGNO_P (regno)
-          && (regno < FIRST_SSE_REG + SSE_REGPARM_MAX))
-        return true;
-    }
+  if (TARGET_SSE && SSE_REGNO_P (regno)
+      && (regno < FIRST_SSE_REG + SSE_REGPARM_MAX))
+    return true;


it bootstrapped successfully and is in testing at present.