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i386.c (legitimate_tls_address): Add tp after DTPOFF.

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* config/i386/i386.c (legitimate_tls_address)
<TARGET_GNU2_TLS>: Add tp after DTPOFF.
* config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
(*tls_dynamic_gnu2_combine_64): Likewise.

From-SVN: r114741
This commit is contained in:
Alexandre Oliva 2006-06-17 17:07:42 +00:00 committed by Alexandre Oliva
parent 4dc3fbb0eb
commit 31ebc801bc
3 changed files with 28 additions and 24 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2006-06-17 Alexandre Oliva <aoliva@redhat.com>
* config/i386/i386.c (legitimate_tls_address)
<TARGET_GNU2_TLS>: Add tp after DTPOFF.
* config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
(*tls_dynamic_gnu2_combine_64): Likewise.
2006-06-16 Richard Guenther <rguenther@suse.de>
PR middle-end/27116

13
gcc/config/i386/i386.c
View File

@ -6750,15 +6750,22 @@ legitimize_tls_address (rtx x, enum tls_model model, int for_mov)
{
rtx x = ix86_tls_module_base ();
base = force_reg (Pmode, gen_rtx_PLUS (Pmode, tp, base));
set_unique_reg_note (get_last_insn (), REG_EQUIV, x);
set_unique_reg_note (get_last_insn (), REG_EQUIV,
gen_rtx_MINUS (Pmode, x, tp));
}
off = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, x), UNSPEC_DTPOFF);
off = gen_rtx_CONST (Pmode, off);
dest = force_reg (Pmode, gen_rtx_PLUS (Pmode, base, off));
if (TARGET_GNU2_TLS)
{
dest = force_reg (Pmode, gen_rtx_PLUS (Pmode, dest, tp));
set_unique_reg_note (get_last_insn (), REG_EQUIV, x);
}
break;
case TLS_MODEL_INITIAL_EXEC:

32
gcc/config/i386/i386.md
View File

@ -14434,12 +14434,11 @@
(define_insn_and_split "*tls_dynamic_gnu2_combine_32"
[(set (match_operand:SI 0 "register_operand" "=&a")
(plus:SI
(plus:SI (match_operand:SI 3 "tp_or_register_operand" "ir")
(unspec:SI [(match_operand:SI 4 "tls_modbase_operand" "")
(match_operand:SI 5 "" "")
(match_operand:SI 2 "register_operand" "b")
(reg:SI SP_REG)]
UNSPEC_TLSDESC))
(unspec:SI [(match_operand:SI 3 "tls_modbase_operand" "")
(match_operand:SI 4 "" "")
(match_operand:SI 2 "register_operand" "b")
(reg:SI SP_REG)]
UNSPEC_TLSDESC)
(const:SI (unspec:SI
[(match_operand:SI 1 "tls_symbolic_operand" "")]
UNSPEC_DTPOFF))))
@ -14447,11 +14446,7 @@
"!TARGET_64BIT && TARGET_GNU2_TLS"
"#"
""
[(parallel
[(set (match_dup 0)
(plus:SI (match_dup 3)
(match_dup 5)))
(clobber (reg:CC FLAGS_REG))])]
[(set (match_dup 0) (match_dup 5))]
{
operands[5] = no_new_pseudos ? operands[0] : gen_reg_rtx (Pmode);
emit_insn (gen_tls_dynamic_gnu2_32 (operands[5], operands[1], operands[2]));
@ -14499,11 +14494,10 @@
(define_insn_and_split "*tls_dynamic_gnu2_combine_64"
[(set (match_operand:DI 0 "register_operand" "=&a")
(plus:DI
(plus:DI (match_operand:DI 2 "tp_or_register_operand" "ir")
(unspec:DI [(match_operand:DI 3 "tls_modbase_operand" "")
(match_operand:DI 4 "" "")
(reg:DI SP_REG)]
UNSPEC_TLSDESC))
(unspec:DI [(match_operand:DI 2 "tls_modbase_operand" "")
(match_operand:DI 3 "" "")
(reg:DI SP_REG)]
UNSPEC_TLSDESC)
(const:DI (unspec:DI
[(match_operand:DI 1 "tls_symbolic_operand" "")]
UNSPEC_DTPOFF))))
@ -14511,11 +14505,7 @@
"TARGET_64BIT && TARGET_GNU2_TLS"
"#"
""
[(parallel
[(set (match_dup 0)
(plus:DI (match_dup 2)
(match_dup 4)))
(clobber (reg:CC FLAGS_REG))])]
[(set (match_dup 0) (match_dup 4))]
{
operands[4] = no_new_pseudos ? operands[0] : gen_reg_rtx (Pmode);
emit_insn (gen_tls_dynamic_gnu2_64 (operands[4], operands[1]));