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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/i386/i386.md20
2 files changed, 19 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1bacc99..1fad8d5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-05-27 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (UNSPECV_EH_RETURN): Kill.
+ (eh_return): Use jump_insn.
+ (eh_return_si, eh_return_di): Change pattern to jump instruction.
+
2004-05-26 Jan Hubicka <jh@suse.cz>
* cfgcleanup.c (try_forward_edges): Do not check loop structure when
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 270168f..40f33fb 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -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)
@@ -13880,6 +13881,7 @@
""
{
rtx tmp, sa = EH_RETURN_STACKADJ_RTX, ra = operands[0];
+ rtx jmp;
/* Tricky bit: we write the address of the handler to which we will
be returning into someone else's stack frame, one word below the
@@ -13890,16 +13892,19 @@
emit_move_insn (tmp, ra);
if (Pmode == SImode)
- emit_insn (gen_eh_return_si (sa));
+ jmp = emit_jump_insn (gen_eh_return_si (sa));
else
- emit_insn (gen_eh_return_di (sa));
+ jmp = emit_jump_insn (gen_eh_return_di (sa));
+ REG_NOTES (jmp) = alloc_EXPR_LIST (REG_NON_LOCAL_GOTO, const0_rtx,
+ REG_NOTES (jmp));
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 +13912,9 @@
"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"