userdocs baad915870 add support for gcc 15.1.0
This adds the patches from the previously tested gcc version 14.3.0
and they have been tested to successfully apply to 15.1.0 with no
issues.

The corresponding hash has been added.
2025-07-21 00:19:03 +00:00

347 lines
13 KiB
Diff

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 357b0bed067..528add999f2 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -556,7 +556,7 @@ s390*-*-*)
extra_headers="s390intrin.h htmintrin.h htmxlintrin.h vecintrin.h"
;;
# Note the 'l'; we need to be able to match e.g. "shle" or "shl".
-sh[123456789lbe]*-*-* | sh-*-*)
+sh[123456789lbej]*-*-* | sh-*-*)
cpu_type=sh
extra_options="${extra_options} fused-madd.opt"
extra_objs="${extra_objs} sh_treg_combine.o sh-mem.o sh_optimize_sett_clrt.o"
@@ -3202,18 +3202,18 @@ s390x-ibm-tpf*)
extra_options="${extra_options} s390/tpf.opt"
tmake_file="${tmake_file} s390/t-s390"
;;
-sh-*-elf* | sh[12346l]*-*-elf* | \
- sh-*-linux* | sh[2346lbe]*-*-linux* | \
+sh-*-elf* | sh[12346lj]*-*-elf* | \
+ sh-*-linux* | sh[2346lbej]*-*-linux* | \
sh-*-netbsdelf* | shl*-*-netbsdelf*)
tmake_file="${tmake_file} sh/t-sh sh/t-elf"
if test x${with_endian} = x; then
case ${target} in
- sh[1234]*be-*-* | sh[1234]*eb-*-*) with_endian=big ;;
+ sh[j1234]*be-*-* | sh[j1234]*eb-*-*) with_endian=big ;;
shbe-*-* | sheb-*-*) with_endian=big,little ;;
sh[1234]l* | sh[34]*-*-linux*) with_endian=little ;;
shl* | sh*-*-linux* | \
sh-superh-elf) with_endian=little,big ;;
- sh[1234]*-*-*) with_endian=big ;;
+ sh[j1234]*-*-*) with_endian=big ;;
*) with_endian=big,little ;;
esac
fi
@@ -3280,6 +3280,7 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
sh2a_nofpu*) sh_cpu_target=sh2a-nofpu ;;
sh2a*) sh_cpu_target=sh2a ;;
sh2e*) sh_cpu_target=sh2e ;;
+ shj2*) sh_cpu_target=shj2;;
sh2*) sh_cpu_target=sh2 ;;
*) sh_cpu_target=sh1 ;;
esac
@@ -3301,7 +3302,7 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
sh2a-single-only | sh2a-single | sh2a-nofpu | sh2a | \
sh4a-single-only | sh4a-single | sh4a-nofpu | sh4a | sh4al | \
sh4-single-only | sh4-single | sh4-nofpu | sh4 | sh4-300 | \
- sh3e | sh3 | sh2e | sh2 | sh1) ;;
+ sh3e | sh3 | sh2e | sh2 | sh1 | shj2) ;;
"") sh_cpu_default=${sh_cpu_target} ;;
*) echo "with_cpu=$with_cpu not supported"; exit 1 ;;
esac
@@ -3310,9 +3311,9 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
case ${target} in
sh[1234]*) sh_multilibs=${sh_cpu_target} ;;
sh-superh-*) sh_multilibs=m4,m4-single,m4-single-only,m4-nofpu ;;
- sh*-*-linux*) sh_multilibs=m1,m2,m2a,m3e,m4 ;;
+ sh*-*-linux*) sh_multilibs=m1,m2,m2a,m3e,m4,mj2 ;;
sh*-*-netbsd*) sh_multilibs=m3,m3e,m4 ;;
- *) sh_multilibs=m1,m2,m2e,m4,m4-single,m4-single-only,m2a,m2a-single ;;
+ *) sh_multilibs=m1,m2,m2e,m4,m4-single,m4-single-only,m2a,m2a-single,mj2 ;;
esac
if test x$with_fp = xno; then
sh_multilibs="`echo $sh_multilibs|sed -e s/m4/sh4-nofpu/ -e s/,m4-[^,]*//g -e s/,m[23]e// -e s/m2a,m2a-single/m2a-nofpu/ -e s/m5-..m....,//g`"
@@ -3327,7 +3328,8 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
m1 | m2 | m2e | m3 | m3e | \
m4 | m4-single | m4-single-only | m4-nofpu | m4-300 |\
m4a | m4a-single | m4a-single-only | m4a-nofpu | m4al | \
- m2a | m2a-single | m2a-single-only | m2a-nofpu)
+ m2a | m2a-single | m2a-single-only | m2a-nofpu | \
+ mj2)
# TM_MULTILIB_CONFIG is used by t-sh for the non-endian multilib definition
# It is passed to MULTIILIB_OPTIONS verbatim.
TM_MULTILIB_CONFIG="${TM_MULTILIB_CONFIG}/${sh_multilib}"
@@ -3344,7 +3346,7 @@ sh-*-elf* | sh[12346l]*-*-elf* | \
done
TM_MULTILIB_CONFIG=`echo $TM_MULTILIB_CONFIG | sed 's:^/::'`
if test x${enable_incomplete_targets} = xyes ; then
- tm_defines="$tm_defines SUPPORT_SH1=1 SUPPORT_SH2E=1 SUPPORT_SH4=1 SUPPORT_SH4_SINGLE=1 SUPPORT_SH2A=1 SUPPORT_SH2A_SINGLE=1"
+ tm_defines="$tm_defines SUPPORT_SH1=1 SUPPORT_SH2E=1 SUPPORT_SH4=1 SUPPORT_SH4_SINGLE=1 SUPPORT_SH2A=1 SUPPORT_SH2A_SINGLE=1 SUPPORT_SHJ2=1"
fi
tm_file="$tm_file ./sysroot-suffix.h"
tmake_file="$tmake_file t-sysroot-suffix"
@@ -5175,6 +5177,8 @@ case "${target}" in
;;
m4a | m4a-single | m4a-single-only | m4a-nofpu | m4al)
;;
+ mj2)
+ ;;
*)
echo "Unknown CPU used in --with-cpu=$with_cpu, known values:" 1>&2
echo "m1 m2 m2e m3 m3e m4 m4-single m4-single-only m4-nofpu" 1>&2
@@ -5385,7 +5389,7 @@ case ${target} in
tmake_file="${cpu_type}/t-${cpu_type} ${tmake_file}"
;;
- sh[123456ble]*-*-* | sh-*-*)
+ sh[123456blej]*-*-* | sh-*-*)
c_target_objs="${c_target_objs} sh-c.o"
cxx_target_objs="${cxx_target_objs} sh-c.o"
;;
diff --git a/gcc/config/sh/sh.cc b/gcc/config/sh/sh.cc
index 1564109c942..798c1c1c1a3 100644
--- a/gcc/config/sh/sh.cc
+++ b/gcc/config/sh/sh.cc
@@ -686,6 +686,7 @@ parse_validate_atomic_model_option (const char* str)
model_names[sh_atomic_model::hard_llcs] = "hard-llcs";
model_names[sh_atomic_model::soft_tcb] = "soft-tcb";
model_names[sh_atomic_model::soft_imask] = "soft-imask";
+ model_names[sh_atomic_model::hard_cas] = "hard-cas";
const char* model_cdef_names[sh_atomic_model::num_models];
model_cdef_names[sh_atomic_model::none] = "NONE";
@@ -693,6 +694,7 @@ parse_validate_atomic_model_option (const char* str)
model_cdef_names[sh_atomic_model::hard_llcs] = "HARD_LLCS";
model_cdef_names[sh_atomic_model::soft_tcb] = "SOFT_TCB";
model_cdef_names[sh_atomic_model::soft_imask] = "SOFT_IMASK";
+ model_cdef_names[sh_atomic_model::hard_cas] = "HARD_CAS";
sh_atomic_model ret;
ret.type = sh_atomic_model::none;
@@ -771,6 +773,9 @@ got_mode_name:;
if (ret.type == sh_atomic_model::soft_imask && TARGET_USERMODE)
err_ret ("cannot use atomic model %s in user mode", ret.name);
+ if (ret.type == sh_atomic_model::hard_cas && !TARGET_SHJ2)
+ err_ret ("atomic model %s is only available J2 targets", ret.name);
+
return ret;
#undef err_ret
@@ -827,6 +832,8 @@ sh_option_override (void)
sh_cpu = PROCESSOR_SH2E;
if (TARGET_SH2A)
sh_cpu = PROCESSOR_SH2A;
+ if (TARGET_SHJ2)
+ sh_cpu = PROCESSOR_SHJ2;
if (TARGET_SH3)
sh_cpu = PROCESSOR_SH3;
if (TARGET_SH3E)
diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h
index d2280e2ffe6..3a54a896721 100644
--- a/gcc/config/sh/sh.h
+++ b/gcc/config/sh/sh.h
@@ -85,6 +85,7 @@ extern int code_for_indirect_jump_scratch;
#define SUPPORT_SH4_SINGLE 1
#define SUPPORT_SH2A 1
#define SUPPORT_SH2A_SINGLE 1
+#define SUPPORT_SHJ2 1
#endif
#define TARGET_DIVIDE_CALL_DIV1 (sh_div_strategy == SH_DIV_CALL_DIV1)
@@ -117,6 +118,7 @@ extern int code_for_indirect_jump_scratch;
#define SELECT_SH4A_SINGLE_ONLY (MASK_SH4A | SELECT_SH4_SINGLE_ONLY)
#define SELECT_SH4A (MASK_SH4A | SELECT_SH4)
#define SELECT_SH4A_SINGLE (MASK_SH4A | SELECT_SH4_SINGLE)
+#define SELECT_SHJ2 (MASK_SHJ2 | SELECT_SH2)
#if SUPPORT_SH1
#define SUPPORT_SH2 1
@@ -124,6 +126,7 @@ extern int code_for_indirect_jump_scratch;
#if SUPPORT_SH2
#define SUPPORT_SH3 1
#define SUPPORT_SH2A_NOFPU 1
+#define SUPPORT_SHJ2 1
#endif
#if SUPPORT_SH3
#define SUPPORT_SH4_NOFPU 1
@@ -156,7 +159,7 @@ extern int code_for_indirect_jump_scratch;
#define MASK_ARCH (MASK_SH1 | MASK_SH2 | MASK_SH3 | MASK_SH_E | MASK_SH4 \
| MASK_HARD_SH2A | MASK_HARD_SH2A_DOUBLE | MASK_SH4A \
| MASK_HARD_SH4 | MASK_FPU_SINGLE \
- | MASK_FPU_SINGLE_ONLY)
+ | MASK_FPU_SINGLE_ONLY | MASK_SHJ2)
/* This defaults us to big-endian. */
#ifndef TARGET_ENDIAN_DEFAULT
@@ -231,7 +234,8 @@ extern int code_for_indirect_jump_scratch;
%{m2a-single:--isa=sh2a} \
%{m2a-single-only:--isa=sh2a} \
%{m2a-nofpu:--isa=sh2a-nofpu} \
-%{m4al:-dsp}"
+%{m4al:-dsp} \
+%{mj2:-isa=j2}"
#define ASM_SPEC SH_ASM_SPEC
@@ -347,6 +351,7 @@ struct sh_atomic_model
hard_llcs,
soft_tcb,
soft_imask,
+ hard_cas,
num_models
};
@@ -390,6 +395,9 @@ extern const sh_atomic_model& selected_atomic_model (void);
#define TARGET_ATOMIC_SOFT_IMASK \
(selected_atomic_model ().type == sh_atomic_model::soft_imask)
+#define TARGET_ATOMIC_HARD_CAS \
+ (selected_atomic_model ().type == sh_atomic_model::hard_cas)
+
#endif // __cplusplus
#define SUBTARGET_OVERRIDE_OPTIONS (void) 0
@@ -1484,7 +1492,7 @@ extern bool current_function_interrupt;
/* Nonzero if the target supports dynamic shift instructions
like shad and shld. */
-#define TARGET_DYNSHIFT (TARGET_SH3 || TARGET_SH2A)
+#define TARGET_DYNSHIFT (TARGET_SH3 || TARGET_SH2A || TARGET_SHJ2)
/* The cost of using the dynamic shift insns (shad, shld) are the same
if they are available. If they are not available a library function will
@@ -1747,6 +1755,7 @@ enum processor_type {
PROCESSOR_SH2,
PROCESSOR_SH2E,
PROCESSOR_SH2A,
+ PROCESSOR_SHJ2,
PROCESSOR_SH3,
PROCESSOR_SH3E,
PROCESSOR_SH4,
diff --git a/gcc/config/sh/sh.opt b/gcc/config/sh/sh.opt
index b4755a812f3..0989a1c18da 100644
--- a/gcc/config/sh/sh.opt
+++ b/gcc/config/sh/sh.opt
@@ -65,6 +65,10 @@ m2e
Target RejectNegative Condition(SUPPORT_SH2E)
Generate SH2e code.
+mj2
+Target RejectNegative Mask(SHJ2) Condition(SUPPORT_SHJ2)
+Generate J2 code.
+
m3
Target RejectNegative Mask(SH3) Condition(SUPPORT_SH3)
Generate SH3 code.
diff --git a/gcc/config/sh/sync.md b/gcc/config/sh/sync.md
index 2b43f8edb86..118fc5d06db 100644
--- a/gcc/config/sh/sync.md
+++ b/gcc/config/sh/sync.md
@@ -240,6 +240,9 @@
|| (TARGET_SH4A && <MODE>mode == SImode && !TARGET_ATOMIC_STRICT))
atomic_insn = gen_atomic_compare_and_swap<mode>_hard (old_val, mem,
exp_val, new_val);
+ else if (TARGET_ATOMIC_HARD_CAS && <MODE>mode == SImode)
+ atomic_insn = gen_atomic_compare_and_swap<mode>_cas (old_val, mem,
+ exp_val, new_val);
else if (TARGET_ATOMIC_SOFT_GUSA)
atomic_insn = gen_atomic_compare_and_swap<mode>_soft_gusa (old_val, mem,
exp_val, new_val);
@@ -306,6 +309,57 @@
}
[(set_attr "length" "14")])
+(define_expand "atomic_compare_and_swapsi_cas"
+ [(set (match_operand:SI 0 "register_operand" "=r")
+ (unspec_volatile:SI
+ [(match_operand:SI 1 "atomic_mem_operand_0" "=Sra")
+ (match_operand:SI 2 "register_operand" "r")
+ (match_operand:SI 3 "register_operand" "r")]
+ UNSPECV_CMPXCHG_1))]
+ "TARGET_ATOMIC_HARD_CAS"
+{
+ rtx mem = gen_rtx_REG (SImode, 0);
+ emit_move_insn (mem, force_reg (SImode, XEXP (operands[1], 0)));
+ emit_insn (gen_shj2_cas (operands[0], mem, operands[2], operands[3]));
+ DONE;
+})
+
+(define_insn "shj2_cas"
+ [(set (match_operand:SI 0 "register_operand" "=&r")
+ (unspec_volatile:SI
+ [(match_operand:SI 1 "register_operand" "=r")
+ (match_operand:SI 2 "register_operand" "r")
+ (match_operand:SI 3 "register_operand" "0")]
+ UNSPECV_CMPXCHG_1))
+ (set (reg:SI T_REG)
+ (unspec_volatile:SI [(const_int 0)] UNSPECV_CMPXCHG_3))]
+ "TARGET_ATOMIC_HARD_CAS"
+ "cas.l %2,%0,@%1"
+ [(set_attr "length" "2")]
+)
+
+(define_expand "atomic_compare_and_swapqi_cas"
+ [(set (match_operand:SI 0 "arith_reg_dest" "=&r")
+ (unspec_volatile:SI
+ [(match_operand:SI 1 "atomic_mem_operand_0" "=Sra")
+ (match_operand:SI 2 "arith_operand" "rI08")
+ (match_operand:SI 3 "arith_operand" "rI08")]
+ UNSPECV_CMPXCHG_1))]
+ "TARGET_ATOMIC_HARD_CAS"
+{FAIL;}
+)
+
+(define_expand "atomic_compare_and_swaphi_cas"
+ [(set (match_operand:SI 0 "arith_reg_dest" "=&r")
+ (unspec_volatile:SI
+ [(match_operand:SI 1 "atomic_mem_operand_0" "=Sra")
+ (match_operand:SI 2 "arith_operand" "rI08")
+ (match_operand:SI 3 "arith_operand" "rI08")]
+ UNSPECV_CMPXCHG_1))]
+ "TARGET_ATOMIC_HARD_CAS"
+{FAIL;}
+)
+
;; The QIHImode llcs patterns modify the address register of the memory
;; operand. In order to express that, we have to open code the memory
;; operand. Initially the insn is expanded like every other atomic insn
diff --git a/gcc/config/sh/t-sh b/gcc/config/sh/t-sh
index 888f8ff7f25..29fd6ae45fd 100644
--- a/gcc/config/sh/t-sh
+++ b/gcc/config/sh/t-sh
@@ -50,7 +50,8 @@ MULTILIB_MATCHES = $(shell \
m2e,m3e,m4-single-only,m4-100-single-only,m4-200-single-only,m4-300-single-only,m4a-single-only \
m2a-single,m2a-single-only \
m4-single,m4-100-single,m4-200-single,m4-300-single,m4a-single \
- m4,m4-100,m4-200,m4-300,m4a; do \
+ m4,m4-100,m4-200,m4-300,m4a \
+ mj2; do \
subst= ; \
for lib in `echo $$abi|tr , ' '` ; do \
if test "`echo $$multilibs|sed s/$$lib//`" != "$$multilibs"; then \
@@ -63,9 +64,9 @@ MULTILIB_MATCHES = $(shell \
# SH1 and SH2A support big endian only.
ifeq ($(DEFAULT_ENDIAN),ml)
-MULTILIB_EXCEPTIONS = m1 ml/m1 m2a* ml/m2a* $(TM_MULTILIB_EXCEPTIONS_CONFIG)
+MULTILIB_EXCEPTIONS = m1 ml/m1 m2a* ml/m2a* ml/mj2 $(TM_MULTILIB_EXCEPTIONS_CONFIG)
else
-MULTILIB_EXCEPTIONS = ml/m1 ml/m2a* $(TM_MULTILIB_EXCEPTIONS_CONFIG)
+MULTILIB_EXCEPTIONS = ml/m1 ml/m2a* ml/mj2 $(TM_MULTILIB_EXCEPTIONS_CONFIG)
endif
MULTILIB_OSDIRNAMES = \
@@ -87,7 +88,8 @@ MULTILIB_OSDIRNAMES = \
m4a-single-only=!m4a-single-only $(OTHER_ENDIAN)/m4a-single-only=!$(OTHER_ENDIAN)/m4a-single-only \
m4a-single=!m4a-single $(OTHER_ENDIAN)/m4a-single=!$(OTHER_ENDIAN)/m4a-single \
m4a=!m4a $(OTHER_ENDIAN)/m4a=!$(OTHER_ENDIAN)/m4a \
- m4al=!m4al $(OTHER_ENDIAN)/m4al=!$(OTHER_ENDIAN)/m4al
+ m4al=!m4al $(OTHER_ENDIAN)/m4al=!$(OTHER_ENDIAN)/m4al \
+ mj2=!j2
$(out_object_file): gt-sh.h
gt-sh.h : s-gtype ; @true