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From 893322f214fbb916dc8eb6be5acbf7bdb7785e77 Mon Sep 17 00:00:00 2001
From: Lulu Cheng <chenglulu@loongson.cn>
Date: Sat, 20 Aug 2022 15:19:51 +0800
Subject: [PATCH 012/124] LoongArch: Add new code model 'medium'.
The function jump instruction in normal mode is 'bl',
so the scope of the function jump is +-128MB.
Now we've added support for 'medium' mode, this mode is
to complete the function jump through two instructions:
pcalau12i + jirl
So in this mode the function jump range is increased to +-2GB.
Compared with 'normal' mode, 'medium' mode only affects the
jump range of functions.
gcc/ChangeLog:
* config/loongarch/genopts/loongarch-strings: Support code model medium.
* config/loongarch/genopts/loongarch.opt.in: Likewise.
* config/loongarch/loongarch-def.c: Likewise.
* config/loongarch/loongarch-def.h (CMODEL_LARGE): Likewise.
(CMODEL_EXTREME): Likewise.
(N_CMODEL_TYPES): Likewise.
(CMODEL_MEDIUM): Likewise.
* config/loongarch/loongarch-opts.cc: Likewise.
* config/loongarch/loongarch-opts.h (TARGET_CMODEL_MEDIUM): Likewise.
* config/loongarch/loongarch-str.h (STR_CMODEL_MEDIUM): Likewise.
* config/loongarch/loongarch.cc (loongarch_call_tls_get_addr):
Tls symbol Loading support medium mode.
(loongarch_legitimize_call_address): When medium mode, make a symbolic
jump with two instructions.
(loongarch_option_override_internal): Support medium.
* config/loongarch/loongarch.md (@pcalau12i<mode>): New template.
(@sibcall_internal_1<mode>): New function call templates added to support
medium mode.
(@sibcall_value_internal_1<mode>): Likewise.
(@sibcall_value_multiple_internal_1<mode>): Likewise.
(@call_internal_1<mode>): Likewise.
(@call_value_internal_1<mode>): Likewise.
(@call_value_multiple_internal_1<mode>): Likewise.
* config/loongarch/loongarch.opt: Support medium.
* config/loongarch/predicates.md: Add processing about medium mode.
* doc/invoke.texi: Document for '-mcmodel=medium'.
gcc/testsuite/ChangeLog:
* gcc.target/loongarch/func-call-medium-1.c: New test.
* gcc.target/loongarch/func-call-medium-2.c: New test.
* gcc.target/loongarch/func-call-medium-3.c: New test.
* gcc.target/loongarch/func-call-medium-4.c: New test.
* gcc.target/loongarch/func-call-medium-5.c: New test.
* gcc.target/loongarch/func-call-medium-6.c: New test.
* gcc.target/loongarch/func-call-medium-7.c: New test.
* gcc.target/loongarch/func-call-medium-8.c: New test.
* gcc.target/loongarch/tls-gd-noplt.c: Add compile parameter '-mexplicit-relocs'.
Signed-off-by: Peng Fan <fanpeng@loongson.cn>
Signed-off-by: ticat_fp <fanpeng@loongson.cn>
---
.../loongarch/genopts/loongarch-strings | 1 +
gcc/config/loongarch/genopts/loongarch.opt.in | 3 +
gcc/config/loongarch/loongarch-def.c | 1 +
gcc/config/loongarch/loongarch-def.h | 7 +-
gcc/config/loongarch/loongarch-opts.cc | 15 ++-
gcc/config/loongarch/loongarch-opts.h | 1 +
gcc/config/loongarch/loongarch-str.h | 1 +
gcc/config/loongarch/loongarch.cc | 123 +++++++++++++----
gcc/config/loongarch/loongarch.md | 125 +++++++++++++++++-
gcc/config/loongarch/loongarch.opt | 3 +
gcc/config/loongarch/predicates.md | 15 ++-
gcc/doc/invoke.texi | 3 +
.../gcc.target/loongarch/func-call-medium-1.c | 41 ++++++
.../gcc.target/loongarch/func-call-medium-2.c | 41 ++++++
.../gcc.target/loongarch/func-call-medium-3.c | 41 ++++++
.../gcc.target/loongarch/func-call-medium-4.c | 41 ++++++
.../gcc.target/loongarch/func-call-medium-5.c | 42 ++++++
.../gcc.target/loongarch/func-call-medium-6.c | 42 ++++++
.../gcc.target/loongarch/func-call-medium-7.c | 43 ++++++
.../gcc.target/loongarch/func-call-medium-8.c | 42 ++++++
.../gcc.target/loongarch/tls-gd-noplt.c | 4 +-
21 files changed, 595 insertions(+), 40 deletions(-)
create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-medium-1.c
create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-medium-2.c
create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-medium-3.c
create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-medium-4.c
create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-medium-5.c
create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-medium-6.c
create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-medium-7.c
create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-medium-8.c
diff --git a/gcc/config/loongarch/genopts/loongarch-strings b/gcc/config/loongarch/genopts/loongarch-strings
index cb88ed56b..44ebb7ab1 100644
--- a/gcc/config/loongarch/genopts/loongarch-strings
+++ b/gcc/config/loongarch/genopts/loongarch-strings
@@ -54,5 +54,6 @@ OPTSTR_CMODEL cmodel
STR_CMODEL_NORMAL normal
STR_CMODEL_TINY tiny
STR_CMODEL_TS tiny-static
+STR_CMODEL_MEDIUM medium
STR_CMODEL_LARGE large
STR_CMODEL_EXTREME extreme
diff --git a/gcc/config/loongarch/genopts/loongarch.opt.in b/gcc/config/loongarch/genopts/loongarch.opt.in
index a571b6b75..ebdd9538d 100644
--- a/gcc/config/loongarch/genopts/loongarch.opt.in
+++ b/gcc/config/loongarch/genopts/loongarch.opt.in
@@ -172,6 +172,9 @@ Enum(cmodel) String(@@STR_CMODEL_TINY@@) Value(CMODEL_TINY)
EnumValue
Enum(cmodel) String(@@STR_CMODEL_TS@@) Value(CMODEL_TINY_STATIC)
+EnumValue
+Enum(cmodel) String(@@STR_CMODEL_MEDIUM@@) Value(CMODEL_MEDIUM)
+
EnumValue
Enum(cmodel) String(@@STR_CMODEL_LARGE@@) Value(CMODEL_LARGE)
diff --git a/gcc/config/loongarch/loongarch-def.c b/gcc/config/loongarch/loongarch-def.c
index c8769b7d6..cbf995d81 100644
--- a/gcc/config/loongarch/loongarch-def.c
+++ b/gcc/config/loongarch/loongarch-def.c
@@ -152,6 +152,7 @@ loongarch_cmodel_strings[] = {
[CMODEL_NORMAL] = STR_CMODEL_NORMAL,
[CMODEL_TINY] = STR_CMODEL_TINY,
[CMODEL_TINY_STATIC] = STR_CMODEL_TS,
+ [CMODEL_MEDIUM] = STR_CMODEL_MEDIUM,
[CMODEL_LARGE] = STR_CMODEL_LARGE,
[CMODEL_EXTREME] = STR_CMODEL_EXTREME,
};
diff --git a/gcc/config/loongarch/loongarch-def.h b/gcc/config/loongarch/loongarch-def.h
index c2c35b6ba..b5985f070 100644
--- a/gcc/config/loongarch/loongarch-def.h
+++ b/gcc/config/loongarch/loongarch-def.h
@@ -82,9 +82,10 @@ extern const char* loongarch_cmodel_strings[];
#define CMODEL_NORMAL 0
#define CMODEL_TINY 1
#define CMODEL_TINY_STATIC 2
-#define CMODEL_LARGE 3
-#define CMODEL_EXTREME 4
-#define N_CMODEL_TYPES 5
+#define CMODEL_MEDIUM 3
+#define CMODEL_LARGE 4
+#define CMODEL_EXTREME 5
+#define N_CMODEL_TYPES 6
/* enum switches */
/* The "SW_" codes represent command-line switches (options that
diff --git a/gcc/config/loongarch/loongarch-opts.cc b/gcc/config/loongarch/loongarch-opts.cc
index 2ae89f234..e13eafb58 100644
--- a/gcc/config/loongarch/loongarch-opts.cc
+++ b/gcc/config/loongarch/loongarch-opts.cc
@@ -376,11 +376,24 @@ fallback:
/* 5. Target code model */
t.cmodel = constrained.cmodel ? opt_cmodel : CMODEL_NORMAL;
- if (t.cmodel != CMODEL_NORMAL && t.cmodel != CMODEL_EXTREME)
+
+ switch (t.cmodel)
{
+ case CMODEL_TINY:
+ case CMODEL_TINY_STATIC:
+ case CMODEL_LARGE:
warning (0, "%qs is not supported, now cmodel is set to %qs",
loongarch_cmodel_strings[t.cmodel], "normal");
t.cmodel = CMODEL_NORMAL;
+ break;
+
+ case CMODEL_NORMAL:
+ case CMODEL_MEDIUM:
+ case CMODEL_EXTREME:
+ break;
+
+ default:
+ gcc_unreachable ();
}
/* Cleanup and return. */
diff --git a/gcc/config/loongarch/loongarch-opts.h b/gcc/config/loongarch/loongarch-opts.h
index da24ecd2b..3523a4cf7 100644
--- a/gcc/config/loongarch/loongarch-opts.h
+++ b/gcc/config/loongarch/loongarch-opts.h
@@ -46,6 +46,7 @@ loongarch_config_target (struct loongarch_target *target,
#define TARGET_CMODEL_NORMAL (la_target.cmodel == CMODEL_NORMAL)
#define TARGET_CMODEL_TINY (la_target.cmodel == CMODEL_TINY)
#define TARGET_CMODEL_TINY_STATIC (la_target.cmodel == CMODEL_TINY_STATIC)
+#define TARGET_CMODEL_MEDIUM (la_target.cmodel == CMODEL_MEDIUM)
#define TARGET_CMODEL_LARGE (la_target.cmodel == CMODEL_LARGE)
#define TARGET_CMODEL_EXTREME (la_target.cmodel == CMODEL_EXTREME)
diff --git a/gcc/config/loongarch/loongarch-str.h b/gcc/config/loongarch/loongarch-str.h
index 0e8889b8c..9f1b0989c 100644
--- a/gcc/config/loongarch/loongarch-str.h
+++ b/gcc/config/loongarch/loongarch-str.h
@@ -53,6 +53,7 @@ along with GCC; see the file COPYING3. If not see
#define STR_CMODEL_NORMAL "normal"
#define STR_CMODEL_TINY "tiny"
#define STR_CMODEL_TS "tiny-static"
+#define STR_CMODEL_MEDIUM "medium"
#define STR_CMODEL_LARGE "large"
#define STR_CMODEL_EXTREME "extreme"
diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc
index 1a33f668f..04c4ddaed 100644
--- a/gcc/config/loongarch/loongarch.cc
+++ b/gcc/config/loongarch/loongarch.cc
@@ -2461,44 +2461,96 @@ loongarch_call_tls_get_addr (rtx sym, enum loongarch_symbol_type type, rtx v0)
}
if (flag_plt)
- insn = emit_call_insn (gen_call_value_internal (v0,
- loongarch_tls_symbol,
- const0_rtx));
- else
{
- rtx dest = gen_reg_rtx (Pmode);
-
- if (TARGET_CMODEL_EXTREME)
+ switch (la_opt_cmodel)
{
- gcc_assert (TARGET_EXPLICIT_RELOCS);
+ case CMODEL_NORMAL:
+ insn = emit_call_insn (gen_call_value_internal (v0,
+ loongarch_tls_symbol,
+ const0_rtx));
+ break;
- rtx tmp1 = gen_reg_rtx (Pmode);
- rtx high = gen_reg_rtx (Pmode);
+ case CMODEL_MEDIUM:
+ {
+ rtx reg = gen_reg_rtx (Pmode);
+ if (TARGET_EXPLICIT_RELOCS)
+ {
+ emit_insn (gen_pcalau12i (Pmode, reg, loongarch_tls_symbol));
+ rtx call = gen_call_value_internal_1 (Pmode, v0, reg,
+ loongarch_tls_symbol,
+ const0_rtx);
+ insn = emit_call_insn (call);
+ }
+ else
+ {
+ emit_move_insn (reg, loongarch_tls_symbol);
+ insn = emit_call_insn (gen_call_value_internal (v0,
+ reg,
+ const0_rtx));
+ }
+ break;
+ }
- loongarch_emit_move (high,
- gen_rtx_HIGH (Pmode, loongarch_tls_symbol));
- loongarch_emit_move (tmp1, gen_rtx_LO_SUM (Pmode,
- gen_rtx_REG (Pmode, 0),
- loongarch_tls_symbol));
- emit_insn (gen_lui_h_lo20 (tmp1, tmp1, loongarch_tls_symbol));
- emit_insn (gen_lui_h_hi12 (tmp1, tmp1, loongarch_tls_symbol));
- loongarch_emit_move (dest,
- gen_rtx_MEM (Pmode,
- gen_rtx_PLUS (Pmode, high, tmp1)));
+ /* code model extreme not support plt. */
+ case CMODEL_EXTREME:
+ case CMODEL_LARGE:
+ case CMODEL_TINY:
+ case CMODEL_TINY_STATIC:
+ default:
+ gcc_unreachable ();
}
- else
+ }
+ else
+ {
+ rtx dest = gen_reg_rtx (Pmode);
+
+ switch (la_opt_cmodel)
{
- if (TARGET_EXPLICIT_RELOCS)
+ case CMODEL_NORMAL:
+ case CMODEL_MEDIUM:
+ {
+ if (TARGET_EXPLICIT_RELOCS)
+ {
+ rtx high = gen_reg_rtx (Pmode);
+ loongarch_emit_move (high,
+ gen_rtx_HIGH (Pmode,
+ loongarch_tls_symbol));
+ emit_insn (gen_ld_from_got (Pmode, dest, high,
+ loongarch_tls_symbol));
+ }
+ else
+ loongarch_emit_move (dest, loongarch_tls_symbol);
+ break;
+ }
+
+ case CMODEL_EXTREME:
{
+ gcc_assert (TARGET_EXPLICIT_RELOCS);
+
+ rtx tmp1 = gen_reg_rtx (Pmode);
rtx high = gen_reg_rtx (Pmode);
+
loongarch_emit_move (high,
gen_rtx_HIGH (Pmode, loongarch_tls_symbol));
- emit_insn (gen_ld_from_got (Pmode, dest, high,
- loongarch_tls_symbol));
+ loongarch_emit_move (tmp1, gen_rtx_LO_SUM (Pmode,
+ gen_rtx_REG (Pmode, 0),
+ loongarch_tls_symbol));
+ emit_insn (gen_lui_h_lo20 (tmp1, tmp1, loongarch_tls_symbol));
+ emit_insn (gen_lui_h_hi12 (tmp1, tmp1, loongarch_tls_symbol));
+ loongarch_emit_move (dest,
+ gen_rtx_MEM (Pmode,
+ gen_rtx_PLUS (Pmode,
+ high, tmp1)));
}
- else
- loongarch_emit_move (dest, loongarch_tls_symbol);
+ break;
+
+ case CMODEL_LARGE:
+ case CMODEL_TINY:
+ case CMODEL_TINY_STATIC:
+ default:
+ gcc_unreachable ();
}
+
insn = emit_call_insn (gen_call_value_internal (v0, dest, const0_rtx));
}
@@ -2618,6 +2670,24 @@ loongarch_legitimize_call_address (rtx addr)
loongarch_emit_move (reg, addr);
return reg;
}
+
+ enum loongarch_symbol_type symbol_type = loongarch_classify_symbol (addr);
+
+ /* Split function call insn 'bl sym' or 'bl %plt(sym)' to :
+ pcalau12i $rd, %pc_hi20(sym)
+ jr $rd, %pc_lo12(sym). */
+
+ if (TARGET_CMODEL_MEDIUM
+ && TARGET_EXPLICIT_RELOCS
+ && (SYMBOL_REF_P (addr) || LABEL_REF_P (addr))
+ && (symbol_type == SYMBOL_PCREL
+ || (symbol_type == SYMBOL_GOT_DISP && flag_plt)))
+ {
+ rtx reg = gen_reg_rtx (Pmode);
+ emit_insn (gen_pcalau12i (Pmode, reg, addr));
+ return gen_rtx_LO_SUM (Pmode, reg, addr);
+ }
+
return addr;
}
@@ -5996,6 +6066,7 @@ loongarch_option_override_internal (struct gcc_options *opts)
break;
case CMODEL_TINY_STATIC:
+ case CMODEL_MEDIUM:
case CMODEL_NORMAL:
case CMODEL_TINY:
case CMODEL_LARGE:
diff --git a/gcc/config/loongarch/loongarch.md b/gcc/config/loongarch/loongarch.md
index 8fc10444c..3787fd823 100644
--- a/gcc/config/loongarch/loongarch.md
+++ b/gcc/config/loongarch/loongarch.md
@@ -59,11 +59,15 @@
UNSPEC_CRCC
UNSPEC_LOAD_FROM_GOT
+ UNSPEC_PCALAU12I
UNSPEC_ORI_L_LO12
UNSPEC_LUI_L_HI20
UNSPEC_LUI_H_LO20
UNSPEC_LUI_H_HI12
UNSPEC_TLS_LOW
+
+ UNSPEC_SIBCALL_VALUE_MULTIPLE_INTERNAL_1
+ UNSPEC_CALL_VALUE_MULTIPLE_INTERNAL_1
])
(define_c_enum "unspecv" [
@@ -1946,6 +1950,14 @@
[(set_attr "type" "move")]
)
+(define_insn "@pcalau12i<mode>"
+ [(set (match_operand:P 0 "register_operand" "=j")
+ (unspec:P [(match_operand:P 1 "symbolic_operand" "")]
+ UNSPEC_PCALAU12I))]
+ ""
+ "pcalau12i\t%0,%%pc_hi20(%1)"
+ [(set_attr "type" "move")])
+
(define_insn "@ori_l_lo12<mode>"
[(set (match_operand:P 0 "register_operand" "=r")
(unspec:P [(match_operand:P 1 "register_operand" "r")
@@ -2877,7 +2889,12 @@
{
rtx target = loongarch_legitimize_call_address (XEXP (operands[0], 0));
- emit_call_insn (gen_sibcall_internal (target, operands[1]));
+ if (GET_CODE (target) == LO_SUM)
+ emit_call_insn (gen_sibcall_internal_1 (Pmode, XEXP (target, 0),
+ XEXP (target, 1),
+ operands[1]));
+ else
+ emit_call_insn (gen_sibcall_internal (target, operands[1]));
DONE;
})
@@ -2891,6 +2908,14 @@
b\t%%plt(%0)"
[(set_attr "jirl" "indirect,direct,direct")])
+(define_insn "@sibcall_internal_1<mode>"
+ [(call (mem:P (lo_sum:P (match_operand:P 0 "register_operand" "j")
+ (match_operand:P 1 "symbolic_operand" "")))
+ (match_operand 2 "" ""))]
+ "SIBLING_CALL_P (insn) && TARGET_CMODEL_MEDIUM"
+ "jirl\t$r0,%0,%%pc_lo12(%1)"
+ [(set_attr "jirl" "indirect")])
+
(define_expand "sibcall_value"
[(parallel [(set (match_operand 0 "")
(call (match_operand 1 "")
@@ -2906,7 +2931,14 @@
rtx arg1 = XEXP (XVECEXP (operands[0],0, 0), 0);
rtx arg2 = XEXP (XVECEXP (operands[0],0, 1), 0);
- emit_call_insn (gen_sibcall_value_multiple_internal (arg1, target,
+ if (GET_CODE (target) == LO_SUM)
+ emit_call_insn (gen_sibcall_value_multiple_internal_1 (Pmode, arg1,
+ XEXP (target, 0),
+ XEXP (target, 1),
+ operands[2],
+ arg2));
+ else
+ emit_call_insn (gen_sibcall_value_multiple_internal (arg1, target,
operands[2],
arg2));
}
@@ -2916,7 +2948,13 @@
if (GET_CODE (operands[0]) == PARALLEL && XVECLEN (operands[0], 0) == 1)
operands[0] = XEXP (XVECEXP (operands[0], 0, 0), 0);
- emit_call_insn (gen_sibcall_value_internal (operands[0], target,
+ if (GET_CODE (target) == LO_SUM)
+ emit_call_insn (gen_sibcall_value_internal_1 (Pmode, operands[0],
+ XEXP (target, 0),
+ XEXP (target, 1),
+ operands[2]));
+ else
+ emit_call_insn (gen_sibcall_value_internal (operands[0], target,
operands[2]));
}
DONE;
@@ -2933,6 +2971,15 @@
b\t%%plt(%1)"
[(set_attr "jirl" "indirect,direct,direct")])
+(define_insn "@sibcall_value_internal_1<mode>"
+ [(set (match_operand 0 "register_operand" "")
+ (call (mem:P (lo_sum:P (match_operand:P 1 "register_operand" "j")
+ (match_operand:P 2 "symbolic_operand" "")))
+ (match_operand 3 "" "")))]
+ "SIBLING_CALL_P (insn) && TARGET_CMODEL_MEDIUM"
+ "jirl\t$r0,%1,%%pc_lo12(%2)"
+ [(set_attr "jirl" "indirect")])
+
(define_insn "sibcall_value_multiple_internal"
[(set (match_operand 0 "register_operand" "")
(call (mem:SI (match_operand 1 "call_insn_operand" "j,c,b"))
@@ -2947,6 +2994,21 @@
b\t%%plt(%1)"
[(set_attr "jirl" "indirect,direct,direct")])
+(define_insn "@sibcall_value_multiple_internal_1<mode>"
+ [(set (match_operand 0 "register_operand" "")
+ (call (mem:P (unspec:P [(match_operand:P 1 "register_operand" "j")
+ (match_operand:P 2 "symbolic_operand" "")]
+ UNSPEC_SIBCALL_VALUE_MULTIPLE_INTERNAL_1))
+ (match_operand 3 "" "")))
+ (set (match_operand 4 "register_operand" "")
+ (call (mem:P (unspec:P [(match_dup 1)
+ (match_dup 2)]
+ UNSPEC_SIBCALL_VALUE_MULTIPLE_INTERNAL_1))
+ (match_dup 3)))]
+ "SIBLING_CALL_P (insn) && TARGET_CMODEL_MEDIUM"
+ "jirl\t$r0,%1,%%pc_lo12(%2)"
+ [(set_attr "jirl" "indirect")])
+
(define_expand "call"
[(parallel [(call (match_operand 0 "")
(match_operand 1 ""))
@@ -2956,7 +3018,11 @@
{
rtx target = loongarch_legitimize_call_address (XEXP (operands[0], 0));
- emit_call_insn (gen_call_internal (target, operands[1]));
+ if (GET_CODE (target) == LO_SUM)
+ emit_call_insn (gen_call_internal_1 (Pmode, XEXP (target, 0),
+ XEXP (target, 1), operands[1]));
+ else
+ emit_call_insn (gen_call_internal (target, operands[1]));
DONE;
})
@@ -2971,6 +3037,15 @@
bl\t%%plt(%0)"
[(set_attr "jirl" "indirect,direct,direct")])
+(define_insn "@call_internal_1<mode>"
+ [(call (mem:P (lo_sum:P (match_operand:P 0 "register_operand" "j")
+ (match_operand:P 1 "symbolic_operand" "")))
+ (match_operand 2 "" ""))
+ (clobber (reg:SI RETURN_ADDR_REGNUM))]
+ "TARGET_CMODEL_MEDIUM"
+ "jirl\t$r1,%0,%%pc_lo12(%1)"
+ [(set_attr "jirl" "indirect")])
+
(define_expand "call_value"
[(parallel [(set (match_operand 0 "")
(call (match_operand 1 "")
@@ -2985,7 +3060,13 @@
rtx arg1 = XEXP (XVECEXP (operands[0], 0, 0), 0);
rtx arg2 = XEXP (XVECEXP (operands[0], 0, 1), 0);
- emit_call_insn (gen_call_value_multiple_internal (arg1, target,
+ if (GET_CODE (target) == LO_SUM)
+ emit_call_insn (gen_call_value_multiple_internal_1 (Pmode, arg1,
+ XEXP (target, 0),
+ XEXP (target, 1),
+ operands[2], arg2));
+ else
+ emit_call_insn (gen_call_value_multiple_internal (arg1, target,
operands[2], arg2));
}
else
@@ -2994,7 +3075,13 @@
if (GET_CODE (operands[0]) == PARALLEL && XVECLEN (operands[0], 0) == 1)
operands[0] = XEXP (XVECEXP (operands[0], 0, 0), 0);
- emit_call_insn (gen_call_value_internal (operands[0], target,
+ if (GET_CODE (target) == LO_SUM)
+ emit_call_insn (gen_call_value_internal_1 (Pmode, operands[0],
+ XEXP (target, 0),
+ XEXP (target, 1),
+ operands[2]));
+ else
+ emit_call_insn (gen_call_value_internal (operands[0], target,
operands[2]));
}
DONE;
@@ -3012,6 +3099,16 @@
bl\t%%plt(%1)"
[(set_attr "jirl" "indirect,direct,direct")])
+(define_insn "@call_value_internal_1<mode>"
+ [(set (match_operand 0 "register_operand" "")
+ (call (mem:P (lo_sum:P (match_operand:P 1 "register_operand" "j")
+ (match_operand:P 2 "symbolic_operand" "")))
+ (match_operand 3 "" "")))
+ (clobber (reg:SI RETURN_ADDR_REGNUM))]
+ "TARGET_CMODEL_MEDIUM"
+ "jirl\t$r1,%1,%%pc_lo12(%2)"
+ [(set_attr "jirl" "indirect")])
+
(define_insn "call_value_multiple_internal"
[(set (match_operand 0 "register_operand" "")
(call (mem:SI (match_operand 1 "call_insn_operand" "e,c,b"))
@@ -3027,6 +3124,22 @@
bl\t%%plt(%1)"
[(set_attr "jirl" "indirect,direct,direct")])
+(define_insn "@call_value_multiple_internal_1<mode>"
+ [(set (match_operand 0 "register_operand" "")
+ (call (mem:P (unspec:P [(match_operand:P 1 "register_operand" "j")
+ (match_operand:P 2 "symbolic_operand" "")]
+ UNSPEC_CALL_VALUE_MULTIPLE_INTERNAL_1))
+ (match_operand 3 "" "")))
+ (set (match_operand 4 "register_operand" "")
+ (call (mem:P (unspec:P [(match_dup 1)
+ (match_dup 2)]
+ UNSPEC_CALL_VALUE_MULTIPLE_INTERNAL_1))
+ (match_dup 3)))
+ (clobber (reg:SI RETURN_ADDR_REGNUM))]
+ "TARGET_CMODEL_MEDIUM"
+ "jirl\t$r1,%1,%%pc_lo12(%2)"
+ [(set_attr "jirl" "indirect")])
+
;; Call subroutine returning any type.
(define_expand "untyped_call"
diff --git a/gcc/config/loongarch/loongarch.opt b/gcc/config/loongarch/loongarch.opt
index 9df7e1872..639523421 100644
--- a/gcc/config/loongarch/loongarch.opt
+++ b/gcc/config/loongarch/loongarch.opt
@@ -179,6 +179,9 @@ Enum(cmodel) String(tiny) Value(CMODEL_TINY)
EnumValue
Enum(cmodel) String(tiny-static) Value(CMODEL_TINY_STATIC)
+EnumValue
+Enum(cmodel) String(medium) Value(CMODEL_MEDIUM)
+
EnumValue
Enum(cmodel) String(large) Value(CMODEL_LARGE)
diff --git a/gcc/config/loongarch/predicates.md b/gcc/config/loongarch/predicates.md
index e38c6fbdd..8bd0c1376 100644
--- a/gcc/config/loongarch/predicates.md
+++ b/gcc/config/loongarch/predicates.md
@@ -123,16 +123,27 @@
if (offset != const0_rtx)
return false;
+ /* When compiling with '-mcmodel=medium -mexplicit-relocs'
+ symbols are splited in loongarch_legitimize_call_address.
+
+ When compiling with '-mcmodel=medium -mno-explicit-relocs',
+ first obtain the symbolic address or the address of the
+ plt entry, and then perform an indirect jump, so return false. */
+
switch (symbol_type)
{
case SYMBOL_PCREL:
- if (TARGET_CMODEL_EXTREME)
+ if (TARGET_CMODEL_EXTREME
+ || (TARGET_CMODEL_MEDIUM && !TARGET_EXPLICIT_RELOCS))
return false;
else
return 1;
case SYMBOL_GOT_DISP:
- if (TARGET_CMODEL_EXTREME || !flag_plt)
+ if (TARGET_CMODEL_EXTREME
+ || !flag_plt
+ || (flag_plt && TARGET_CMODEL_MEDIUM
+ && !TARGET_EXPLICIT_RELOCS))
return false;
else
return 1;
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index c4f83e62a..2a5592516 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -24625,6 +24625,9 @@ Set the code model to one of:
The text segment must be within 128MB addressing space. The data segment must
be within 2GB addressing space.
+@item medium
+The text segment and data segment must be within 2GB addressing space.
+
@item large (Not implemented yet)
@item extreme
diff --git a/gcc/testsuite/gcc.target/loongarch/func-call-medium-1.c b/gcc/testsuite/gcc.target/loongarch/func-call-medium-1.c
new file mode 100644
index 000000000..276d73e5e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/func-call-medium-1.c
@@ -0,0 +1,41 @@
+/* { dg-do compile } */
+/* { dg-options "-mabi=lp64d -O0 -fpic -fplt -mno-explicit-relocs -mcmodel=medium" } */
+/* { dg-final { scan-assembler "test:.*la\.global\t.*g\n\tjirl" } } */
+/* { dg-final { scan-assembler "test1:.*la\.global\t.*f\n\tjirl" } } */
+/* { dg-final { scan-assembler "test2:.*la\.local\t.*l\n\tjirl" } } */
+/* { dg-final { scan-assembler "test3:.*la\.global\t.*\_\_tls\_get\_addr" } } */
+
+extern void g (void);
+void
+f (void)
+{}
+
+static void
+l (void)
+{}
+
+void
+test (void)
+{
+ g ();
+}
+
+void
+test1 (void)
+{
+ f ();
+}
+
+void
+test2 (void)
+{
+ l ();
+}
+
+__attribute__ ((tls_model ("global-dynamic"))) __thread int a;
+
+void
+test3 (void)
+{
+ a = 10;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/func-call-medium-2.c b/gcc/testsuite/gcc.target/loongarch/func-call-medium-2.c
new file mode 100644
index 000000000..237821c06
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/func-call-medium-2.c
@@ -0,0 +1,41 @@
+/* { dg-do compile } */
+/* { dg-options "-mabi=lp64d -O0 -fno-pic -fplt -mno-explicit-relocs -mcmodel=medium" } */
+/* { dg-final { scan-assembler "test:.*la\.global\t.*g\n\tjirl" } } */
+/* { dg-final { scan-assembler "test1:.*la\.local\t.*f\n\tjirl" } } */
+/* { dg-final { scan-assembler "test2:.*la\.local\t.*l\n\tjirl" } } */
+/* { dg-final { scan-assembler "test3:.*la\.global\t.*\_\_tls\_get\_addr" } } */
+
+extern void g (void);
+void
+f (void)
+{}
+
+static void
+l (void)
+{}
+
+void
+test (void)
+{
+ g ();
+}
+
+void
+test1 (void)
+{
+ f ();
+}
+
+void
+test2 (void)
+{
+ l ();
+}
+
+__attribute__ ((tls_model ("global-dynamic"))) __thread int a;
+
+void
+test3 (void)
+{
+ a = 10;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/func-call-medium-3.c b/gcc/testsuite/gcc.target/loongarch/func-call-medium-3.c
new file mode 100644
index 000000000..9a6e16103
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/func-call-medium-3.c
@@ -0,0 +1,41 @@
+/* { dg-do compile } */
+/* { dg-options "-mabi=lp64d -O0 -fpic -fno-plt -mno-explicit-relocs -mcmodel=medium" } */
+/* { dg-final { scan-assembler "test:.*la\.global\t.*g\n\tjirl" } } */
+/* { dg-final { scan-assembler "test1:.*la\.global\t.*f\n\tjirl" } } */
+/* { dg-final { scan-assembler "test2:.*la\.local\t.*l\n\tjirl" } } */
+/* { dg-final { scan-assembler "test3:.*la\.global\t.*\_\_tls\_get\_addr" } } */
+
+extern void g (void);
+void
+f (void)
+{}
+
+static void
+l (void)
+{}
+
+void
+test (void)
+{
+ g ();
+}
+
+void
+test1 (void)
+{
+ f ();
+}
+
+void
+test2 (void)
+{
+ l ();
+}
+
+__attribute__ ((tls_model ("global-dynamic"))) __thread int a;
+
+void
+test3 (void)
+{
+ a = 10;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/func-call-medium-4.c b/gcc/testsuite/gcc.target/loongarch/func-call-medium-4.c
new file mode 100644
index 000000000..2577e3452
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/func-call-medium-4.c
@@ -0,0 +1,41 @@
+/* { dg-do compile } */
+/* { dg-options "-mabi=lp64d -O0 -fno-pic -fno-plt -mno-explicit-relocs -mcmodel=medium" } */
+/* { dg-final { scan-assembler "test:.*la\.global\t.*g\n\tjirl" } } */
+/* { dg-final { scan-assembler "test1:.*la\.local\t.*f\n\tjirl" } } */
+/* { dg-final { scan-assembler "test2:.*la\.local\t.*l\n\tjirl" } } */
+/* { dg-final { scan-assembler "test3:.*la\.global\t.*\_\_tls\_get\_addr" } } */
+
+extern void g (void);
+void
+f (void)
+{}
+
+static void
+l (void)
+{}
+
+void
+test (void)
+{
+ g ();
+}
+
+void
+test1 (void)
+{
+ f ();
+}
+
+void
+test2 (void)
+{
+ l ();
+}
+
+__attribute__ ((tls_model ("global-dynamic"))) __thread int a;
+
+void
+test3 (void)
+{
+ a = 10;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/func-call-medium-5.c b/gcc/testsuite/gcc.target/loongarch/func-call-medium-5.c
new file mode 100644
index 000000000..d70b6ea46
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/func-call-medium-5.c
@@ -0,0 +1,42 @@
+/* { dg-do compile } */
+/* { dg-options "-mabi=lp64d -O0 -fpic -fplt -mexplicit-relocs -mcmodel=medium" } */
+/* { dg-final { scan-assembler "test:.*pcalau12i.*%pc_hi20\\(g\\)\n\tjirl.*pc_lo12\\(g\\)" } } */
+/* { dg-final { scan-assembler "test1:.*pcalau12i.*%pc_hi20\\(f\\)\n\tjirl.*%pc_lo12\\(f\\)" } } */
+/* { dg-final { scan-assembler "test2:.*pcalau12i.*%pc_hi20\\(l\\)\n\tjirl.*%pc_lo12\\(l\\)" } } */
+/* { dg-final { scan-assembler "test3:.*pcalau12i.*%pc_hi20\\(__tls_get_addr\\)\n\t.*\n\tjirl.*%pc_lo12\\(__tls_get_addr\\)" } } */
+
+extern void g (void);
+
+void
+f (void)
+{}
+
+static void
+l (void)
+{}
+
+void
+test (void)
+{
+ g ();
+}
+
+void
+test1 (void)
+{
+ f ();
+}
+
+void
+test2 (void)
+{
+ l ();
+}
+
+__attribute__ ((tls_model ("global-dynamic"))) __thread int a;
+
+void
+test3 (void)
+{
+ a = 10;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/func-call-medium-6.c b/gcc/testsuite/gcc.target/loongarch/func-call-medium-6.c
new file mode 100644
index 000000000..f963a9944
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/func-call-medium-6.c
@@ -0,0 +1,42 @@
+/* { dg-do compile } */
+/* { dg-options "-mabi=lp64d -O0 -fno-pic -fplt -mexplicit-relocs -mcmodel=medium" } */
+/* { dg-final { scan-assembler "test:.*pcalau12i.*%pc_hi20\\(g\\)\n\tjirl.*pc_lo12\\(g\\)" } } */
+/* { dg-final { scan-assembler "test1:.*pcalau12i.*%pc_hi20\\(f\\)\n\tjirl.*%pc_lo12\\(f\\)" } } */
+/* { dg-final { scan-assembler "test2:.*pcalau12i.*%pc_hi20\\(l\\)\n\tjirl.*%pc_lo12\\(l\\)" } } */
+/* { dg-final { scan-assembler "test3:.*pcalau12i.*%pc_hi20\\(__tls_get_addr\\)\n\t.*\n\tjirl.*%pc_lo12\\(__tls_get_addr\\)" } } */
+
+extern void g (void);
+
+void
+f (void)
+{}
+
+static void
+l (void)
+{}
+
+void
+test (void)
+{
+ g ();
+}
+
+void
+test1 (void)
+{
+ f ();
+}
+
+void
+test2 (void)
+{
+ l ();
+}
+
+__attribute__ ((tls_model ("global-dynamic"))) __thread int a;
+
+void
+test3 (void)
+{
+ a = 10;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/func-call-medium-7.c b/gcc/testsuite/gcc.target/loongarch/func-call-medium-7.c
new file mode 100644
index 000000000..f2818b2da
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/func-call-medium-7.c
@@ -0,0 +1,43 @@
+/* { dg-do compile } */
+/* { dg-options "-mabi=lp64d -O0 -fpic -fno-plt -mexplicit-relocs -mcmodel=medium" } */
+/* { dg-final { scan-assembler "test:.*pcalau12i\t.*%got_pc_hi20\\(g\\)\n\tld\.d\t.*%got_pc_lo12\\(g\\)\n\tjirl" } } */
+/* { dg-final { scan-assembler "test1:.*pcalau12i\t.*%got_pc_hi20\\(f\\)\n\tld\.d\t.*%got_pc_lo12\\(f\\)\n\tjirl" } } */
+/* { dg-final { scan-assembler "test2:.*pcalau12i\t.*%pc_hi20\\(l\\)\n\tjirl.*%pc_lo12\\(l\\)" } } */
+/* { dg-final { scan-assembler "test3:.*pcalau12i.*%got_pc_hi20\\(__tls_get_addr\\)\n\tld\.d.*%got_pc_lo12\\(__tls_get_addr\\)" } } */
+
+
+extern void g (void);
+
+void
+f (void)
+{}
+
+static void
+l (void)
+{}
+
+void
+test (void)
+{
+ g ();
+}
+
+void
+test1 (void)
+{
+ f ();
+}
+
+void
+test2 (void)
+{
+ l ();
+}
+
+__attribute__ ((tls_model ("global-dynamic"))) __thread int a;
+
+void
+test3 (void)
+{
+ a = 10;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/func-call-medium-8.c b/gcc/testsuite/gcc.target/loongarch/func-call-medium-8.c
new file mode 100644
index 000000000..7fa873d84
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/func-call-medium-8.c
@@ -0,0 +1,42 @@
+/* { dg-do compile } */
+/* { dg-options "-mabi=lp64d -O0 -fno-pic -fno-plt -mexplicit-relocs -mcmodel=medium" } */
+/* { dg-final { scan-assembler "test:.*pcalau12i\t.*%got_pc_hi20\\(g\\)\n\tld\.d\t.*%got_pc_lo12\\(g\\)\n\tjirl" } } */
+/* { dg-final { scan-assembler "test1:.*pcalau12i\t.*%pc_hi20\\(f\\)\n\tjirl.*%pc_lo12\\(f\\)" } } */
+/* { dg-final { scan-assembler "test2:.*pcalau12i\t.*%pc_hi20\\(l\\)\n\tjirl.*%pc_lo12\\(l\\)" } } */
+/* { dg-final { scan-assembler "test3:.*pcalau12i.*%got_pc_hi20\\(__tls_get_addr\\)\n\tld\.d.*%got_pc_lo12\\(__tls_get_addr\\)" } } */
+
+extern void g (void);
+
+void
+f (void)
+{}
+
+static void
+l (void)
+{}
+
+void
+test (void)
+{
+ g ();
+}
+
+void
+test1 (void)
+{
+ f ();
+}
+
+void
+test2 (void)
+{
+ l ();
+}
+
+__attribute__ ((tls_model ("global-dynamic"))) __thread int a;
+
+void
+test3 (void)
+{
+ a = 10;
+}
diff --git a/gcc/testsuite/gcc.target/loongarch/tls-gd-noplt.c b/gcc/testsuite/gcc.target/loongarch/tls-gd-noplt.c
index 32a0acf9b..375663286 100644
--- a/gcc/testsuite/gcc.target/loongarch/tls-gd-noplt.c
+++ b/gcc/testsuite/gcc.target/loongarch/tls-gd-noplt.c
@@ -1,6 +1,6 @@
/* { dg-do compile } */
-/* { dg-options "-O2 -fno-plt -mcmodel=normal" } */
-/* { dg-final { scan-assembler "pcalau12i\t.*%got_pc_hi20\\(__tls_get_addr\\)" } } */
+/* { dg-options "-O0 -fno-plt -mcmodel=normal -mexplicit-relocs" } */
+/* { dg-final { scan-assembler "pcalau12i\t.*%got_pc_hi20\\(__tls_get_addr\\)\n\tld\.d.*%got_pc_lo12\\(__tls_get_addr\\)" } } */
__attribute__ ((tls_model ("global-dynamic"))) __thread int a;
--
2.33.0
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