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Commit 3bae1d98 by Alan Modra Committed by Alan Modra
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rs6000.c (create_TOC_reference): Wrap high part of toc-relative address in CONST. 

	* config/rs6000/rs6000.c (create_TOC_reference): Wrap high part
	of toc-relative address in CONST.
	(rs6000_delegitimize_address): Recognize changed address.
	(rs6000_legitimize_reload_address): Likewise.
	(rs6000_emit_move): Don't force these constants to memory.
	* config/rs6000/rs6000.md (tls_gd, tls_gd_high): Wrap high part of
	toc-relative address in CONST.
	(tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
	(tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.

From-SVN: r175200
parent 8fe2f961
Showing with 67 additions and 38 deletions
gcc/ChangeLog
2011-06-20 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.c (create_TOC_reference): Wrap high part
of toc-relative address in CONST.
(rs6000_delegitimize_address): Recognize changed address.
(rs6000_legitimize_reload_address): Likewise.
(rs6000_emit_move): Don't force these constants to memory.
* config/rs6000/rs6000.md (tls_gd, tls_gd_high): Wrap high part of
toc-relative address in CONST.
(tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
(tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
2011-06-18 H.J. Lu <hongjiu.lu@intel.com>
* longlong.h (count_leading_zeros): Use long long builtin for
......
gcc/config/rs6000/rs6000.c
......@@ -5803,12 +5803,13 @@ rs6000_delegitimize_address (rtx orig_x)
|| TARGET_MINIMAL_TOC
|| TARGET_CMODEL != CMODEL_SMALL))
|| (TARGET_CMODEL != CMODEL_SMALL
&& GET_CODE (XEXP (x, 0)) == PLUS
&& GET_CODE (XEXP (XEXP (x, 0), 0)) == REG
&& REGNO (XEXP (XEXP (x, 0), 0)) == TOC_REGISTER
&& GET_CODE (XEXP (XEXP (x, 0), 1)) == HIGH
&& GET_CODE (XEXP (x, 0)) == CONST
&& GET_CODE (XEXP (XEXP (x, 0), 0)) == PLUS
&& GET_CODE (XEXP (XEXP (XEXP (x, 0), 0), 0)) == REG
&& REGNO (XEXP (XEXP (XEXP (x, 0), 0), 0)) == TOC_REGISTER
&& GET_CODE (XEXP (XEXP (XEXP (x, 0), 0), 1)) == HIGH
&& rtx_equal_p (XEXP (x, 1),
XEXP (XEXP (XEXP (x, 0), 1), 0)))))
XEXP (XEXP (XEXP (XEXP (x, 0), 0), 1), 0)))))
{
y = XVECEXP (y, 0, 0);
if (offset != NULL_RTX)
......@@ -6147,11 +6148,12 @@ rs6000_legitimize_reload_address (rtx x, enum machine_mode mode,
&& GET_CODE (XEXP (x, 0)) == PLUS
&& GET_CODE (XEXP (XEXP (x, 0), 0)) == REG
&& REGNO (XEXP (XEXP (x, 0), 0)) == TOC_REGISTER
&& GET_CODE (XEXP (XEXP (x, 0), 1)) == HIGH
&& GET_CODE (XEXP (XEXP (x, 0), 1)) == CONST
&& GET_CODE (XEXP (XEXP (XEXP (x, 0), 1), 0)) == HIGH
&& GET_CODE (XEXP (x, 1)) == CONST
&& GET_CODE (XEXP (XEXP (x, 1), 0)) == UNSPEC
&& XINT (XEXP (XEXP (x, 1), 0), 1) == UNSPEC_TOCREL
&& rtx_equal_p (XEXP (XEXP (XEXP (x, 0), 1), 0), XEXP (x, 1)))
&& rtx_equal_p (XEXP (XEXP (XEXP (XEXP (x, 0), 1), 0), 0), XEXP (x, 1)))
{
push_reload (XEXP (x, 0), NULL_RTX, &XEXP (x, 0), NULL,
BASE_REG_CLASS, Pmode, VOIDmode, 0, 0,
......@@ -7197,6 +7199,11 @@ rs6000_emit_move (rtx dest, rtx source, enum machine_mode mode)
}
else if (mode == Pmode
&& CONSTANT_P (operands[1])
&& GET_CODE (operands[1]) != HIGH
&& !(TARGET_CMODEL != CMODEL_SMALL
&& GET_CODE (operands[1]) == CONST
&& GET_CODE (XEXP (operands[1], 0)) == PLUS
&& GET_CODE (XEXP (XEXP (operands[1], 0), 1)) == HIGH)
&& ((GET_CODE (operands[1]) != CONST_INT
&& ! easy_fp_constant (operands[1], mode))
|| (GET_CODE (operands[1]) == CONST_INT
......@@ -7204,7 +7211,6 @@ rs6000_emit_move (rtx dest, rtx source, enum machine_mode mode)
> (TARGET_CMODEL != CMODEL_SMALL ? 3 : 2)))
|| (GET_CODE (operands[0]) == REG
&& FP_REGNO_P (REGNO (operands[0]))))
&& GET_CODE (operands[1]) != HIGH
&& ! legitimate_constant_pool_address_p (operands[1], mode,
false)
&& ! toc_relative_expr_p (operands[1])
......@@ -19063,7 +19069,9 @@ create_TOC_reference (rtx symbol, rtx largetoc_reg)
tocreg = gen_rtx_REG (Pmode, TOC_REGISTER);
if (TARGET_CMODEL != CMODEL_SMALL)
{
rtx hi = gen_rtx_PLUS (Pmode, tocreg, gen_rtx_HIGH (Pmode, tocrel));
rtx hi = gen_rtx_CONST (Pmode,
gen_rtx_PLUS (Pmode, tocreg,
gen_rtx_HIGH (Pmode, tocrel)));
if (largetoc_reg != NULL)
{
emit_move_insn (largetoc_reg, hi);
......
gcc/config/rs6000/rs6000.md
......@@ -11523,9 +11523,10 @@
"addi %0,%1,%2@got@tlsgd"
"&& TARGET_CMODEL != CMODEL_SMALL"
[(set (match_dup 3)
(plus:TLSmode (match_dup 1)
(high:TLSmode
(unspec:TLSmode [(match_dup 2)] UNSPEC_TLSGD))))
(const:TLSmode
(plus:TLSmode (match_dup 1)
(high:TLSmode
(unspec:TLSmode [(match_dup 2)] UNSPEC_TLSGD)))))
(set (match_dup 0)
(lo_sum:TLSmode (match_dup 3)
(unspec:TLSmode [(match_dup 2)] UNSPEC_TLSGD)))]
......@@ -11540,10 +11541,11 @@
(define_insn "*tls_gd_high<TLSmode:tls_abi_suffix>"
[(set (match_operand:TLSmode 0 "gpc_reg_operand" "=b")
(plus:TLSmode (match_operand:TLSmode 1 "gpc_reg_operand" "b")
(high:TLSmode
(unspec:TLSmode [(match_operand:TLSmode 2 "rs6000_tls_symbol_ref" "")]
UNSPEC_TLSGD))))]
(const:TLSmode
(plus:TLSmode (match_operand:TLSmode 1 "gpc_reg_operand" "b")
(high:TLSmode
(unspec:TLSmode [(match_operand:TLSmode 2 "rs6000_tls_symbol_ref" "")]
UNSPEC_TLSGD)))))]
"HAVE_AS_TLS && TARGET_TLS_MARKERS && TARGET_CMODEL != CMODEL_SMALL"
"addis %0,%1,%2@got@tlsgd@ha"
[(set_attr "length" "4")])
......@@ -11658,9 +11660,10 @@
"addi %0,%1,%&@got@tlsld"
"&& TARGET_CMODEL != CMODEL_SMALL"
[(set (match_dup 2)
(plus:TLSmode (match_dup 1)
(high:TLSmode
(unspec:TLSmode [(const_int 0)] UNSPEC_TLSLD))))
(const:TLSmode
(plus:TLSmode (match_dup 1)
(high:TLSmode
(unspec:TLSmode [(const_int 0)] UNSPEC_TLSLD)))))
(set (match_dup 0)
(lo_sum:TLSmode (match_dup 2)
(unspec:TLSmode [(const_int 0)] UNSPEC_TLSLD)))]
......@@ -11675,9 +11678,10 @@
(define_insn "*tls_ld_high<TLSmode:tls_abi_suffix>"
[(set (match_operand:TLSmode 0 "gpc_reg_operand" "=b")
(plus:TLSmode (match_operand:TLSmode 1 "gpc_reg_operand" "b")
(high:TLSmode
(unspec:TLSmode [(const_int 0)] UNSPEC_TLSLD))))]
(const:TLSmode
(plus:TLSmode (match_operand:TLSmode 1 "gpc_reg_operand" "b")
(high:TLSmode
(unspec:TLSmode [(const_int 0)] UNSPEC_TLSLD)))))]
"HAVE_AS_TLS && TARGET_TLS_MARKERS && TARGET_CMODEL != CMODEL_SMALL"
"addis %0,%1,%&@got@tlsld@ha"
[(set_attr "length" "4")])
......@@ -11753,9 +11757,10 @@
"l<TLSmode:tls_insn_suffix> %0,%2@got@dtprel(%1)"
"&& TARGET_CMODEL != CMODEL_SMALL"
[(set (match_dup 3)
(plus:TLSmode (match_dup 1)
(high:TLSmode
(unspec:TLSmode [(match_dup 2)] UNSPEC_TLSGOTDTPREL))))
(const:TLSmode
(plus:TLSmode (match_dup 1)
(high:TLSmode
(unspec:TLSmode [(match_dup 2)] UNSPEC_TLSGOTDTPREL)))))
(set (match_dup 0)
(lo_sum:TLSmode (match_dup 3)
(unspec:TLSmode [(match_dup 2)] UNSPEC_TLSGOTDTPREL)))]
......@@ -11770,10 +11775,11 @@
(define_insn "*tls_got_dtprel_high<TLSmode:tls_abi_suffix>"
[(set (match_operand:TLSmode 0 "gpc_reg_operand" "=b")
(plus:TLSmode (match_operand:TLSmode 1 "gpc_reg_operand" "b")
(high:TLSmode
(unspec:TLSmode [(match_operand:TLSmode 2 "rs6000_tls_symbol_ref" "")]
UNSPEC_TLSGOTDTPREL))))]
(const:TLSmode
(plus:TLSmode (match_operand:TLSmode 1 "gpc_reg_operand" "b")
(high:TLSmode
(unspec:TLSmode [(match_operand:TLSmode 2 "rs6000_tls_symbol_ref" "")]
UNSPEC_TLSGOTDTPREL)))))]
"HAVE_AS_TLS && TARGET_CMODEL != CMODEL_SMALL"
"addis %0,%1,%2@got@dtprel@ha"
[(set_attr "length" "4")])
......@@ -11823,9 +11829,10 @@
"l<TLSmode:tls_insn_suffix> %0,%2@got@tprel(%1)"
"&& TARGET_CMODEL != CMODEL_SMALL"
[(set (match_dup 3)
(plus:TLSmode (match_dup 1)
(high:TLSmode
(unspec:TLSmode [(match_dup 2)] UNSPEC_TLSGOTTPREL))))
(const:TLSmode
(plus:TLSmode (match_dup 1)
(high:TLSmode
(unspec:TLSmode [(match_dup 2)] UNSPEC_TLSGOTTPREL)))))
(set (match_dup 0)
(lo_sum:TLSmode (match_dup 3)
(unspec:TLSmode [(match_dup 2)] UNSPEC_TLSGOTTPREL)))]
......@@ -11840,10 +11847,11 @@
(define_insn "*tls_got_tprel_high<TLSmode:tls_abi_suffix>"
[(set (match_operand:TLSmode 0 "gpc_reg_operand" "=b")
(plus:TLSmode (match_operand:TLSmode 1 "gpc_reg_operand" "b")
(high:TLSmode
(unspec:TLSmode [(match_operand:TLSmode 2 "rs6000_tls_symbol_ref" "")]
UNSPEC_TLSGOTTPREL))))]
(const:TLSmode
(plus:TLSmode (match_operand:TLSmode 1 "gpc_reg_operand" "b")
(high:TLSmode
(unspec:TLSmode [(match_operand:TLSmode 2 "rs6000_tls_symbol_ref" "")]
UNSPEC_TLSGOTTPREL)))))]
"HAVE_AS_TLS && TARGET_CMODEL != CMODEL_SMALL"
"addis %0,%1,%2@got@tprel@ha"
[(set_attr "length" "4")])
......@@ -12157,8 +12165,9 @@
;; Largetoc support
(define_insn "largetoc_high"
[(set (match_operand:DI 0 "gpc_reg_operand" "=b")
(plus:DI (match_operand:DI 1 "gpc_reg_operand" "b")
(high:DI (match_operand:DI 2 "" ""))))]
(const:DI
(plus:DI (match_operand:DI 1 "gpc_reg_operand" "b")
(high:DI (match_operand:DI 2 "" "")))))]
"TARGET_ELF && TARGET_CMODEL != CMODEL_SMALL"
"{cau|addis} %0,%1,%2@ha")
......
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