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LoongArch: Merge template got_load_tls_{ld/gd/le/ie}.

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gcc/ChangeLog:

	* config/loongarch/loongarch.cc (loongarch_load_tls):
	Load all types of tls symbols through one function.
	(loongarch_got_load_tls_gd): Delete.
	(loongarch_got_load_tls_ld): Delete.
	(loongarch_got_load_tls_ie): Delete.
	(loongarch_got_load_tls_le): Delete.
	(loongarch_call_tls_get_addr): Modify the called function name.
	(loongarch_legitimize_tls_address): Likewise.
	* config/loongarch/loongarch.md (@got_load_tls_gd<mode>): Delete.
	(@load_tls<mode>): New template.
	(@got_load_tls_ld<mode>): Delete.
	(@got_load_tls_le<mode>): Delete.
	(@got_load_tls_ie<mode>): Delete.
This commit is contained in:
Lulu Cheng 2024-01-25 14:44:39 +08:00
parent 3499793d04
commit 252f7705a5
2 changed files with 30 additions and 76 deletions
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47
gcc/config/loongarch/loongarch.cc
View file

@ -2736,36 +2736,12 @@ loongarch_add_offset (rtx temp, rtx reg, HOST_WIDE_INT offset)
/* The __tls_get_attr symbol. */
static GTY (()) rtx loongarch_tls_symbol;
/* Load an entry from the GOT for a TLS GD access. */
/* Load an entry for a TLS access. */
static rtx
loongarch_got_load_tls_gd (rtx dest, rtx sym)
loongarch_load_tls (rtx dest, rtx sym)
{
return gen_got_load_tls_gd (Pmode, dest, sym);
}
/* Load an entry from the GOT for a TLS LD access. */
static rtx
loongarch_got_load_tls_ld (rtx dest, rtx sym)
{
return gen_got_load_tls_ld (Pmode, dest, sym);
}
/* Load an entry from the GOT for a TLS IE access. */
static rtx
loongarch_got_load_tls_ie (rtx dest, rtx sym)
{
return gen_got_load_tls_ie (Pmode, dest, sym);
}
/* Add in the thread pointer for a TLS LE access. */
static rtx
loongarch_got_load_tls_le (rtx dest, rtx sym)
{
return gen_got_load_tls_le (Pmode, dest, sym);
return gen_load_tls (Pmode, dest, sym);
}
/* Return an instruction sequence that calls __tls_get_addr. SYM is
@ -2809,14 +2785,7 @@ loongarch_call_tls_get_addr (rtx sym, enum loongarch_symbol_type type, rtx v0)
emit_insn (gen_tls_low (Pmode, a0, high, loc));
}
else
{
if (type == SYMBOL_TLSLDM)
emit_insn (loongarch_got_load_tls_ld (a0, loc));
else if (type == SYMBOL_TLSGD)
emit_insn (loongarch_got_load_tls_gd (a0, loc));
else
gcc_unreachable ();
}
emit_insn (loongarch_load_tls (a0, loc));
if (flag_plt)
{
@ -2953,10 +2922,10 @@ loongarch_legitimize_tls_address (rtx loc)
/* la.tls.ie; tp-relative add. */
tp = gen_rtx_REG (Pmode, THREAD_POINTER_REGNUM);
tmp1 = gen_reg_rtx (Pmode);
tmp2 = loongarch_unspec_address (loc, SYMBOL_TLS_IE);
dest = gen_reg_rtx (Pmode);
if (la_opt_explicit_relocs != EXPLICIT_RELOCS_NONE)
{
tmp2 = loongarch_unspec_address (loc, SYMBOL_TLS_IE);
tmp3 = gen_reg_rtx (Pmode);
rtx high = gen_rtx_HIGH (Pmode, copy_rtx (tmp2));
high = loongarch_force_temporary (tmp3, high);
@ -2979,7 +2948,7 @@ loongarch_legitimize_tls_address (rtx loc)
emit_insn (gen_ld_from_got (Pmode, tmp1, high, tmp2));
}
else
emit_insn (loongarch_got_load_tls_ie (tmp1, loc));
emit_insn (loongarch_load_tls (tmp1, tmp2));
emit_insn (gen_add3_insn (dest, tmp1, tp));
}
break;
@ -3011,11 +2980,11 @@ loongarch_legitimize_tls_address (rtx loc)
tp = gen_rtx_REG (Pmode, THREAD_POINTER_REGNUM);
tmp1 = gen_reg_rtx (Pmode);
tmp2 = loongarch_unspec_address (loc, SYMBOL_TLS_LE);
dest = gen_reg_rtx (Pmode);
if (la_opt_explicit_relocs != EXPLICIT_RELOCS_NONE)
{
tmp2 = loongarch_unspec_address (loc, SYMBOL_TLS_LE);
tmp3 = gen_reg_rtx (Pmode);
rtx high = gen_rtx_HIGH (Pmode, copy_rtx (tmp2));
high = loongarch_force_temporary (tmp3, high);
@ -3043,7 +3012,7 @@ loongarch_legitimize_tls_address (rtx loc)
}
}
else
emit_insn (loongarch_got_load_tls_le (tmp1, loc));
emit_insn (loongarch_load_tls (tmp1, tmp2));
emit_insn (gen_add3_insn (dest, tmp1, tp));
}
break;

59
gcc/config/loongarch/loongarch.md
View file

@ -51,10 +51,7 @@
UNSPEC_BITREV_8B
;; TLS
UNSPEC_TLS_GD
UNSPEC_TLS_LD
UNSPEC_TLS_LE
UNSPEC_TLS_IE
UNSPEC_TLS
;; Stack tie
UNSPEC_TIE
@ -2701,45 +2698,33 @@
;; Thread-Local Storage
(define_insn "@got_load_tls_gd<mode>"
(define_insn "@load_tls<mode>"
[(set (match_operand:P 0 "register_operand" "=r")
(unspec:P
[(match_operand:P 1 "symbolic_operand" "")]
UNSPEC_TLS_GD))]
UNSPEC_TLS))]
""
"la.tls.gd\t%0,%1"
[(set_attr "got" "load")
(set_attr "mode" "<MODE>")])
{
enum loongarch_symbol_type symbol_type;
gcc_assert (loongarch_symbolic_constant_p (operands[1], &symbol_type));
(define_insn "@got_load_tls_ld<mode>"
[(set (match_operand:P 0 "register_operand" "=r")
(unspec:P
[(match_operand:P 1 "symbolic_operand" "")]
UNSPEC_TLS_LD))]
""
"la.tls.ld\t%0,%1"
[(set_attr "got" "load")
(set_attr "mode" "<MODE>")])
switch (symbol_type)
{
case SYMBOL_TLS_LE:
return "la.tls.le\t%0,%1";
case SYMBOL_TLS_IE:
return "la.tls.ie\t%0,%1";
case SYMBOL_TLSLDM:
return "la.tls.ld\t%0,%1";
case SYMBOL_TLSGD:
return "la.tls.gd\t%0,%1";
(define_insn "@got_load_tls_le<mode>"
[(set (match_operand:P 0 "register_operand" "=r")
(unspec:P
[(match_operand:P 1 "symbolic_operand" "")]
UNSPEC_TLS_LE))]
""
"la.tls.le\t%0,%1"
[(set_attr "got" "load")
(set_attr "mode" "<MODE>")])
(define_insn "@got_load_tls_ie<mode>"
[(set (match_operand:P 0 "register_operand" "=r")
(unspec:P
[(match_operand:P 1 "symbolic_operand" "")]
UNSPEC_TLS_IE))]
""
"la.tls.ie\t%0,%1"
[(set_attr "got" "load")
(set_attr "mode" "<MODE>")])
default:
gcc_unreachable ();
}
}
[(set_attr "mode" "<MODE>")
(set_attr "insn_count" "2")])
;; Move operand 1 to the high word of operand 0 using movgr2frh.w, preserving the
;; value in the low word.