[Patch ARM] Unified assembler in ARM state.

[Patch ARM] Unified assembler in ARM state.

gcc/ChangeLog:

2015-11-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm-ldmstm.ml: Rewrite to generate unified asm templates.
	* config/arm/arm.c (arm_asm_trampoline_template): Make unified asm safe.
	(arm_output_multireg_pop): Likewise.
	(output_move_double):  Likewise.
	(output_move_quad):  Likewise.
	(output_return_instruction): Likewise.
	(arm_print_operand): Remove support for %( and %. print modifiers.
	(arm_output_shift): Make unified asm.
	(arm_declare_function_name): Likewise.
	* config/arm/arm.h (TARGET_UNIFIED_ASM): Delete.
         (ASM_APP_OFF): Adjust.
         (ASM_OUTPUT_REG_PUSH): Undo special casing for TARGET_ARM.
         (ASM_OUTPUT_REG_POP): Likewise.
	* config/arm/arm.md: Adjust uses of %., %(, %)
	* config/arm/sync.md: Likewise.
	* config/arm/thumb2.md: Likewise.
	* config/arm/ldmstm.md: Regenerate.
	* config/arm/arm.opt (masm-unified-syntax): Do not special case Thumb.
	* doc/invoke.texi (masm-unified-syntax): Update documentation.

gcc/testsuite/ChangeLog:

2015-11-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* gcc.target/arm/combine-movs.c:
	* gcc.target/arm/interrupt-1.c:
	* gcc.target/arm/interrupt-2.c:
	* gcc.target/arm/unaligned-memcpy-4.c:

From-SVN: r229875