[llvm-commits] [llvm-gcc-4.2] r63076 - in /llvm-gcc-4.2/trunk/gcc: config/i386/llvm-i386-target.h llvm-backend.cpp

[Evan Cheng]

Hi Dan,

This seems to pass --disable-red-zone when target is i386. Obviously  
it causes no harm but it seems a bit strange. Is it intended?

Evan

On Jan 26, 2009, at 4:42 PM, Dan Gohman wrote:

> Author: djg
> Date: Mon Jan 26 18:42:11 2009
> New Revision: 63076
>
> URL: http://llvm.org/viewvc/llvm-project?rev=63076&view=rev
> Log:
> Translate GCC's -mno-red-zone option to LLVM's -disable-red-zone  
> option.
>
> Modified:
>    llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h
>    llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp
>
> Modified: llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h
> URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h?rev=63076&r1=63075&r2=63076&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h (original)
> +++ llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386-target.h Mon Jan 26  
> 18:42:11 2009
> @@ -89,6 +89,10 @@
>     }                                                           \
>   }
>
> +#define LLVM_SET_ARCH_OPTIONS(argvec)                           \
> +  if (TARGET_NO_RED_ZONE)                                       \
> +    argvec.push_back("--disable-red-zone");
> +
> #ifdef LLVM_ABI_H
>
> /* On x86-32 objects containing SSE vectors are 16 byte aligned,  
> everything
>
> Modified: llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp?rev=63076&r1=63075&r2=63076&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp (original)
> +++ llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp Mon Jan 26 18:42:11 2009
> @@ -131,6 +131,9 @@
>
>   // Allow targets to specify PIC options and other stuff to the  
> corresponding
>   // LLVM backends.
> +#ifdef LLVM_SET_ARCH_OPTIONS
> +  LLVM_SET_ARCH_OPTIONS(Args);
> +#endif
> #ifdef LLVM_SET_TARGET_OPTIONS
>   LLVM_SET_TARGET_OPTIONS(Args);
> #endif
>
>
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