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update gcc to 8.1.0
1 parent 732a0a1 commit f9d48b3

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Lines changed: 192 additions & 2 deletions

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dka64/patches/gcc-8.1.0.patch

Lines changed: 190 additions & 0 deletions
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diff -NBaur gcc-8.1.0/gcc/config/aarch64/aarch64.c gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64.c
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--- gcc-8.1.0/gcc/config/aarch64/aarch64.c 2018-03-15 08:55:04.000000000 +0000
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+++ gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64.c 2018-05-08 11:09:01.247467815 +0100
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@@ -11963,8 +11963,24 @@
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|| !register_operand (target, Pmode))
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target = gen_reg_rtx (Pmode);
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- /* Can return in any reg. */
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- emit_insn (gen_aarch64_load_tp_hard (target));
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+ if (TARGET_HARD_TP)
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+ {
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+ /* Can return in any reg. */
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+ emit_insn (gen_aarch64_load_tp_hard (target));
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+ }
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+ else
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+ {
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+ /* Always returned in r0. Immediately copy the result into a pseudo,
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+ otherwise other uses of r0 (e.g. setting up function arguments) may
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+ clobber the value. */
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+
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+ rtx tmp;
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+
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+ emit_insn (gen_aarch64_load_tp_soft ());
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+
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+ tmp = gen_rtx_REG (DImode, R0_REGNUM);
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+ emit_move_insn (target, tmp);
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+ }
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return target;
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}
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diff -NBaur gcc-8.1.0/gcc/config/aarch64/aarch64-elf-raw.h gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64-elf-raw.h
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--- gcc-8.1.0/gcc/config/aarch64/aarch64-elf-raw.h 2018-01-03 10:03:58.000000000 +0000
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+++ gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64-elf-raw.h 2018-05-08 11:09:01.247467815 +0100
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@@ -22,6 +22,7 @@
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#ifndef GCC_AARCH64_ELF_RAW_H
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#define GCC_AARCH64_ELF_RAW_H
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+#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L %(libgloss) --end-group"
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#define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
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#define ENDFILE_SPEC \
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" crtend%O%s crtn%O%s " \
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diff -NBaur gcc-8.1.0/gcc/config/aarch64/aarch64.h gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64.h
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--- gcc-8.1.0/gcc/config/aarch64/aarch64.h 2018-02-21 14:05:45.000000000 +0000
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+++ gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64.h 2018-05-08 11:09:01.255467862 +0100
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@@ -957,6 +957,10 @@
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/* Check TLS Descriptors mechanism is selected. */
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#define TARGET_TLS_DESC (aarch64_tls_dialect == TLS_DESCRIPTORS)
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+/* Check selected thread pointer access sequence to use. */
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+#define TARGET_HARD_TP (target_thread_pointer == TP_HARD)
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+#define TARGET_SOFT_TP (target_thread_pointer == TP_SOFT)
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+
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extern enum aarch64_code_model aarch64_cmodel;
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/* When using the tiny addressing model conditional and unconditional branches
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diff -NBaur gcc-8.1.0/gcc/config/aarch64/aarch64.md gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64.md
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--- gcc-8.1.0/gcc/config/aarch64/aarch64.md 2018-04-24 17:58:49.000000000 +0100
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+++ gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64.md 2018-05-08 11:09:01.255467862 +0100
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@@ -5693,11 +5693,22 @@
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(define_insn "aarch64_load_tp_hard"
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[(set (match_operand:DI 0 "register_operand" "=r")
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(unspec:DI [(const_int 0)] UNSPEC_TLS))]
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- ""
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- "mrs\\t%0, tpidr_el0"
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+ "TARGET_HARD_TP"
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+ "mrs\\t%0, tpidr_el0\\t// aarch64_load_tp_hard"
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[(set_attr "type" "mrs")]
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)
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+(define_insn "aarch64_load_tp_soft"
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+ [(set (reg:DI 0) (unspec:DI [(const_int 0)] UNSPEC_TLS))
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+ (clobber (reg:DI IP0_REGNUM))
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+ (clobber (reg:DI IP1_REGNUM))
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+ (clobber (reg:DI LR_REGNUM))
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+ (clobber (reg:CC CC_REGNUM))]
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+ "TARGET_SOFT_TP"
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+ "bl\\t__aarch64_read_tp\\t// aarch64_load_tp_soft"
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+ [(set_attr "type" "branch")]
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+)
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+
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;; The TLS ABI specifically requires that the compiler does not schedule
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;; instructions in the TLS stubs, in order to enable linker relaxation.
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;; Therefore we treat the stubs as an atomic sequence.
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diff -NBaur gcc-8.1.0/gcc/config/aarch64/aarch64.opt gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64.opt
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--- gcc-8.1.0/gcc/config/aarch64/aarch64.opt 2018-01-13 17:50:35.000000000 +0000
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+++ gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64.opt 2018-05-08 11:09:01.255467862 +0100
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@@ -115,6 +115,20 @@
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EnumValue
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Enum(aarch64_tls_size) String(48) Value(48)
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+mtp=
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+Target RejectNegative Joined Enum(aarch64_tp_type) Var(target_thread_pointer) Init(TP_HARD)
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+Specify how to access the thread pointer.
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+
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+Enum
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+Name(aarch64_tp_type) Type(enum aarch64_tp_type)
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+Valid arguments to -mtp=:
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+
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+EnumValue
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+Enum(aarch64_tp_type) String(hard) Value(TP_HARD)
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+
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+EnumValue
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+Enum(aarch64_tp_type) String(soft) Value(TP_SOFT)
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+
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march=
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Target RejectNegative ToLower Joined Var(aarch64_arch_string)
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-march=ARCH Use features of architecture ARCH.
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diff -NBaur gcc-8.1.0/gcc/config/aarch64/aarch64-opts.h gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64-opts.h
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--- gcc-8.1.0/gcc/config/aarch64/aarch64-opts.h 2018-01-13 17:50:35.000000000 +0000
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+++ gcc-8.1.0-aarch64/gcc/config/aarch64/aarch64-opts.h 2018-05-08 11:09:01.255467862 +0100
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@@ -48,6 +48,12 @@
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TLS_DESCRIPTORS
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};
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+/* Which thread pointer access sequence to use. */
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+enum aarch64_tp_type {
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+ TP_HARD,
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+ TP_SOFT
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+};
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+
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/* The code model defines the address generation strategy.
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Most have a PIC and non-PIC variant. */
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enum aarch64_code_model {
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diff -NBaur gcc-8.1.0/gcc/config/aarch64/t-aarch64 gcc-8.1.0-aarch64/gcc/config/aarch64/t-aarch64
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--- gcc-8.1.0/gcc/config/aarch64/t-aarch64 2018-01-03 10:03:58.000000000 +0000
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+++ gcc-8.1.0-aarch64/gcc/config/aarch64/t-aarch64 2018-05-08 11:09:01.255467862 +0100
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@@ -68,5 +68,7 @@
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$(srcdir)/config/aarch64/cortex-a57-fma-steering.c
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comma=,
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-MULTILIB_OPTIONS = $(subst $(comma),/, $(patsubst %, mabi=%, $(subst $(comma),$(comma)mabi=,$(TM_MULTILIB_CONFIG))))
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-MULTILIB_DIRNAMES = $(subst $(comma), ,$(TM_MULTILIB_CONFIG))
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+MULTILIB_OPTIONS = mcmodel=large fPIC
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+MULTILIB_DIRNAMES = large pic
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+MULTILIB_REQUIRED = mcmodel=large fPIC
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+MULTILIB_MATCHES = fPIC=fpic fPIC=fpie fPIC=fPIE
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diff -NBaur gcc-8.1.0/gcc/gcc.c gcc-8.1.0-aarch64/gcc/gcc.c
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--- gcc-8.1.0/gcc/gcc.c 2018-02-09 06:44:06.000000000 +0000
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+++ gcc-8.1.0-aarch64/gcc/gcc.c 2018-05-08 11:09:01.259467885 +0100
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@@ -786,6 +786,11 @@
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#endif
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#endif
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+#ifndef LIBGLOSS_SPEC
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+# define LIBGLOSS_SPEC "-lsysbase"
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+#endif
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+
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+
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/* config.h can define STARTFILE_SPEC to override the default crt0 files. */
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#ifndef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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@@ -1081,6 +1086,7 @@
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static const char *lib_spec = LIB_SPEC;
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static const char *link_gomp_spec = "";
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static const char *libgcc_spec = LIBGCC_SPEC;
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+static const char *libgloss_spec = LIBGLOSS_SPEC;
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static const char *endfile_spec = ENDFILE_SPEC;
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static const char *startfile_spec = STARTFILE_SPEC;
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static const char *linker_name_spec = LINKER_NAME;
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@@ -1577,6 +1583,7 @@
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INIT_STATIC_SPEC ("lib", &lib_spec),
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INIT_STATIC_SPEC ("link_gomp", &link_gomp_spec),
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INIT_STATIC_SPEC ("libgcc", &libgcc_spec),
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+ INIT_STATIC_SPEC ("libgloss", &libgloss_spec),
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INIT_STATIC_SPEC ("startfile", &startfile_spec),
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INIT_STATIC_SPEC ("cross_compile", &cross_compile),
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INIT_STATIC_SPEC ("version", &compiler_version),
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diff -NBaur gcc-8.1.0/libgcc/crtstuff.c gcc-8.1.0-aarch64/libgcc/crtstuff.c
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--- gcc-8.1.0/libgcc/crtstuff.c 2018-01-03 10:03:58.000000000 +0000
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+++ gcc-8.1.0-aarch64/libgcc/crtstuff.c 2018-05-08 11:09:01.259467885 +0100
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@@ -47,6 +47,7 @@
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/* Target machine header files require this define. */
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#define IN_LIBGCC2
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+#define USED_FOR_TARGET
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/* FIXME: Including auto-host is incorrect, but until we have
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identified the set of defines that need to go into auto-target.h,
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diff -NBaur gcc-8.1.0/libgcc/Makefile.in gcc-8.1.0-aarch64/libgcc/Makefile.in
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--- gcc-8.1.0/libgcc/Makefile.in 2018-01-03 10:03:58.000000000 +0000
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+++ gcc-8.1.0-aarch64/libgcc/Makefile.in 2018-05-08 11:09:01.259467885 +0100
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@@ -847,7 +847,7 @@
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# libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
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# LIB2ADDEHSHARED matter. (Usually all three are identical.)
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-c_flags := -fexceptions
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+c_flags := -fno-exceptions
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ifeq ($(enable_shared),yes)
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dka64/scripts/build-gcc.sh

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@@ -63,7 +63,7 @@ then
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--prefix=$prefix \
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--enable-lto $plugin_ld\
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--with-system-zlib \
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--with-bugurl="https://github.com/devkitPro/buildscripts/issues" --with-pkgversion="devkitA64 release 8" \
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--with-bugurl="https://github.com/devkitPro/buildscripts/issues" --with-pkgversion="devkitA64 release 9" \
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$CROSS_PARAMS \
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$CROSS_GCC_PARAMS \
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|| { echo "Error configuring gcc"; exit 1; }

select_toolchain.sh

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@@ -51,7 +51,7 @@ case "$VERSION" in
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toolchain=DEVKITPPC
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;;
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"3" )
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GCC_VER=7.3.0
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GCC_VER=8.1.0
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BINUTILS_VER=2.30
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NEWLIB_VER=3.0.0
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GDB_VER=8.0

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