re PR target/54974 ([ARM] [thumb] Incorrect placement of constant pools)

	PR target/54974
	* config/arm/arm.md (thumb2_pool_range, pool_range): Add comment on
	Thumb pool ranges.
	(thumb1_extendhisi2): Reduce Thumb pool range.
	(arm_movdi): Likewise.
	(thumb1_movdi_insn): Likewise.
	(thumb1_movsi_insn): Likewise.
	(pic_load_addr_unified): Likewise.
	(pic_load_addr_32bit): Likewise.
	(pic_load_addr_thumb1): Likewise.
	(thumb1_movhf): Likewise.
	(arm_movsf_soft_insn): Likewise.
	(thumb1_movsf_soft_insn): Likewise.
	(movdf_soft_insn): Likewise.
	(thumb1_movdf_soft_insn): Likewise.
	* config/arm/neon.md (*neon_mov<mode>): Likewise.
	(*neon_mov<mode>): Likwise.
	* config/arm/thumb2.md: (*thumb2_movsi_insn): Likewise.
	(*thumb2_movhi_insn): Likewise.
	(*thumb2_extendqisi_v6): Likewise.
	(*thumb2_zero_extendqisi_v6): Likewise.
	(*thumb2_zero_extendqisi2_v6): Likewise.
	* config/arm/vfp.md: (*thumb2_movsi_vfp): Likewise.
	(*movdi_vfp): Likewise.
	(*movdi_vfp_cortexa8): Likewise.
	(*thumb2_movsf_vfp): Likewise.
	(*thumb2_movdf_vfp): Likewise.

From-SVN: r193930