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Re-apply hopefully fixed patch:

Browse source 
* i386.md (UNSPECV_EH_RETURN): Kill.
	(eh_return): Use jump_insn.
	(eh_return_si, eh_return_di): Change pattern to jump instruction.

From-SVN: r82624
This commit is contained in:
Jan Hubicka 2004-06-04 18:07:58 +02:00 • committed by Jan Hubicka
parent 9cf84a3cf0
commit 2e2052b19a
2 changed files with 17 additions and 7 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2004-06-04 Jan Hubicka <jh@suse.cz>
Re-apply hopefully fixed patch:
* i386.md (UNSPECV_EH_RETURN): Kill.
(eh_return): Use jump_insn.
(eh_return_si, eh_return_di): Change pattern to jump instruction.
2004-06-04 Jeff Law <law@redhat.com>
* cfgrtl.c (try_redirect_by_replacing_jump): Fix return value.

17
gcc/config/i386/i386.md
View file

@ -137,11 +137,12 @@
; REP instruction
(UNSPEC_REP 75)
(UNSPEC_EH_RETURN 76)
])
(define_constants
[(UNSPECV_BLOCKAGE 0)
(UNSPECV_EH_RETURN 13)
(UNSPECV_EMMS 31)
(UNSPECV_LDMXCSR 37)
(UNSPECV_STMXCSR 40)
@ -13890,16 +13891,17 @@
emit_move_insn (tmp, ra);
if (Pmode == SImode)
emit_insn (gen_eh_return_si (sa));
emit_jump_insn (gen_eh_return_si (sa));
else
emit_insn (gen_eh_return_di (sa));
emit_jump_insn (gen_eh_return_di (sa));
emit_barrier ();
DONE;
})
(define_insn_and_split "eh_return_si"
[(unspec_volatile [(match_operand:SI 0 "register_operand" "c")]
UNSPECV_EH_RETURN)]
[(set (pc)
(unspec [(match_operand:SI 0 "register_operand" "c")]
UNSPEC_EH_RETURN))]
"!TARGET_64BIT"
"#"
"reload_completed"
@ -13907,8 +13909,9 @@
"ix86_expand_epilogue (2); DONE;")
(define_insn_and_split "eh_return_di"
[(unspec_volatile [(match_operand:DI 0 "register_operand" "c")]
UNSPECV_EH_RETURN)]
[(set (pc)
(unspec [(match_operand:DI 0 "register_operand" "c")]
UNSPEC_EH_RETURN))]
"TARGET_64BIT"
"#"
"reload_completed"