public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
* [gcc r14-8717] LoongArch: Merge template got_load_tls_{ld/gd/le/ie}.
@ 2024-02-02 1:16 LuluCheng
0 siblings, 0 replies; only message in thread
From: LuluCheng @ 2024-02-02 1:16 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:252f7705a52240a0a2949842c8e33a0db2ea613b
commit r14-8717-g252f7705a52240a0a2949842c8e33a0db2ea613b
Author: Lulu Cheng <chenglulu@loongson.cn>
Date: Thu Jan 25 14:44:39 2024 +0800
LoongArch: Merge template got_load_tls_{ld/gd/le/ie}.
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.
Diff:
---
gcc/config/loongarch/loongarch.cc | 47 ++++++-------------------------
gcc/config/loongarch/loongarch.md | 59 +++++++++++++++------------------------
2 files changed, 30 insertions(+), 76 deletions(-)
diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc
index b8f6f6689bbc..986dc1d80b4e 100644
--- a/gcc/config/loongarch/loongarch.cc
+++ b/gcc/config/loongarch/loongarch.cc
@@ -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;
diff --git a/gcc/config/loongarch/loongarch.md b/gcc/config/loongarch/loongarch.md
index dda3cdf8be57..231c6568c858 100644
--- a/gcc/config/loongarch/loongarch.md
+++ b/gcc/config/loongarch/loongarch.md
@@ -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>")])
-
-(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>")])
+{
+ enum loongarch_symbol_type symbol_type;
+ gcc_assert (loongarch_symbolic_constant_p (operands[1], &symbol_type));
-(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>")])
+ 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_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.
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2024-02-02 1:16 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-02-02 1:16 [gcc r14-8717] LoongArch: Merge template got_load_tls_{ld/gd/le/ie} LuluCheng
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).