re PR target/49606 (mips64: o64 Unrecognizable insn when one noreturn function calling another noreturn function)

gcc/
	PR target/49606
	* config/mips/mips.h (ABI_HAS_64BIT_SYMBOLS): Check Pmode.
	(PMODE_INSN): New macro.
	* config/mips/mips.c (gen_load_const_gp): Use PMODE_INSN.
	(mips_got_load, mips_expand_synci_loop): Likewise.
	(mips_save_gp_to_cprestore_slot): Handle SImode and DImode
	cprestore patterns.
	(mips_emit_loadgp): Use PMODE_INSN.  Handle SImode and DImode
	copygp_mips16 patterns.
	(mips_expand_prologue): Handle SImode and DImode potential_cprestore
	and use_cprestore patterns.
	(mips_override_options): Check for incompatible -mabi and -mlong
	combinations.
	* config/mips/mips.md (unspec_got<mode>): Rename to...
	(unspec_got_<mode>): ...this.
	(copygp_mips16): Use the Pmode iterator.
	(potential_cprestore, cprestore, use_cprestore): Likewise.
	(clear_cache, indirect_jump): Use PMODE_INSN.
	(indirect_jump<mode>): Rename to...
	(indirect_jump_<mode>): ...this.
	(tablejump): Use PMODE_INSN.
	(tablejump<mode>): Rename to...
	(tablejump_<mode>): ...this.
	(exception_receiver): Handle restore_gp_si and restore_gp_di.
	(restore_gp): Use the Pmode iterator.
	* config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Use
	PMODE_INSN.

gcc/testsuite/
	PR target/49606
	* gcc.target/mips/abi-main.h: New file.
	* gcc.target/mips/abi-o32-long32.c: New test.
	* gcc.target/mips/abi-o32-long64.c: Likewise.
	* gcc.target/mips/abi-o64-long32.c: Likewise.
	* gcc.target/mips/abi-o64-long64.c: Likewise.
	* gcc.target/mips/abi-n32-long32.c: Likewise.
	* gcc.target/mips/abi-n32-long64.c: Likewise.
	* gcc.target/mips/abi-n64-long32.c: Likewise.
	* gcc.target/mips/abi-n64-long64.c: Likewise.
	* gcc.target/mips/abi-o32-long32-no-shared.c: Likewise.
	* gcc.target/mips/abi-o32-long64-no-shared.c: Likewise.
	* gcc.target/mips/abi-o64-long32-no-shared.c: Likewise.
	* gcc.target/mips/abi-o64-long64-no-shared.c: Likewise.
	* gcc.target/mips/abi-n32-long32-no-shared.c: Likewise.
	* gcc.target/mips/abi-n32-long64-no-shared.c: Likewise.
	* gcc.target/mips/abi-n64-long32-no-shared.c: Likewise.
	* gcc.target/mips/abi-n64-long64-no-shared.c: Likewise.
	* gcc.target/mips/abi-o32-long32-pic.c: Likewise.
	* gcc.target/mips/abi-o32-long64-pic.c: Likewise.
	* gcc.target/mips/abi-o64-long32-pic.c: Likewise.
	* gcc.target/mips/abi-o64-long64-pic.c: Likewise.
	* gcc.target/mips/abi-n32-long32-pic.c: Likewise.
	* gcc.target/mips/abi-n32-long64-pic.c: Likewise.
	* gcc.target/mips/abi-n64-long32-pic.c: Likewise.
	* gcc.target/mips/abi-n64-long64-pic.c: Likewise.
	* gcc.target/mips/abi-eabi32-long32.c: Likewise.
	* gcc.target/mips/abi-eabi32-long64.c: Likewise.
	* gcc.target/mips/abi-eabi64-long32.c: Likewise.
	* gcc.target/mips/abi-eabi64-long64.c: Likewise.
	* gcc.target/mips/mips.exp: Make -mshared implied -mabicalls.
	* gcc.target/mips/branch-2.c: Remove -mabicalls.
	* gcc.target/mips/branch-3.c: Likewise.
	* gcc.target/mips/branch-4.c: Likewise.
	* gcc.target/mips/branch-5.c: Likewise.
	* gcc.target/mips/branch-6.c: Likewise.
	* gcc.target/mips/branch-7.c: Likewise.
	* gcc.target/mips/branch-8.c: Likewise.
	* gcc.target/mips/branch-9.c: Likewise.
	* gcc.target/mips/branch-10.c: Likewise.
	* gcc.target/mips/branch-11.c: Likewise.
	* gcc.target/mips/branch-12.c: Likewise.
	* gcc.target/mips/branch-13.c: Likewise.
	* gcc.target/mips/lazy-binding-1.c: Likewise.

From-SVN: r178557