PATCH: Properly generate X32 IE sequence

[Paolo Bonzini]

Il 19/03/2012 20:13, Uros Bizjak ha scritto:
> 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
> 
> 	* config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
> 	Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
> 	(legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
> 	DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
> 	(ix86_decompose_address): Allow zero extended UNSPEC_TP references.
> 
> 	Revert:
> 	2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
> 
> 	* config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
> 	* config/i386/i386.c (ix86_decompose_address): Use
> 	TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
> 	(legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
> 	thread pointer to a register.
> 
> 	Revert:
> 	2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
> 
> 	* config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
> 	if Pmode != word_mode.
> 	(legitimize_tls_address): Call gen_tls_initial_exec_x32 if
> 	Pmode == SImode for TARGET_X32.
> 
> 	* config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
> 	(tls_initial_exec_x32): Likewise.
> 
> Tested on x86_64-pc-linux-gnu {,-m32}.

No testcases?

Paolo