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authorrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2002-10-04 02:19:40 +0000
committerrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2002-10-04 02:19:40 +0000
commit18fce2f0dfd3eafaa7d43c8249f98dac608e44a6 (patch)
tree83b1c680e0b8353f9185997e90b74e3512f4e6f1 /gcc/config/m68k
parent139b2431f3a89d494a7134c78b5567a4f9028fe2 (diff)
downloadgcc-18fce2f0dfd3eafaa7d43c8249f98dac608e44a6.tar.gz
* config/m68k/m68k.h (OVERRIDE_OPTIONS): Move additional code ...
* config/m68k/m68k.c (override_options): ... here. * config/m68k/m68kelf.h (OVERRIDE_OPTIONS): Remove. * config/m68k/m68kv4.h (OVERRIDE_OPTIONS): Remove. * config/m68k/linux.h (SUBTARGET_OVERRIDE_OPTIONS): Remove. * config/m68k/netbsd-elf.h (SUBTARGET_OVERRIDE_OPTIONS): Remove. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57797 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/m68k')
-rw-r--r--gcc/config/m68k/linux.h9
-rw-r--r--gcc/config/m68k/m68k.c21
-rw-r--r--gcc/config/m68k/m68k.h10
-rw-r--r--gcc/config/m68k/m68kelf.h14
-rw-r--r--gcc/config/m68k/m68kv4.h13
-rw-r--r--gcc/config/m68k/netbsd-elf.h11
6 files changed, 22 insertions, 56 deletions
diff --git a/gcc/config/m68k/linux.h b/gcc/config/m68k/linux.h
index af7b9285c2c..2778d27f5f7 100644
--- a/gcc/config/m68k/linux.h
+++ b/gcc/config/m68k/linux.h
@@ -315,15 +315,6 @@ do { \
|| (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \
|| PCREL_GENERAL_OPERAND_OK)
-/* Turn off function cse if we are doing PIC. We always want function
- call to be done as `bsr foo@PLTPC', so it will force the assembler
- to create the PLT entry for `foo'. Doing function cse will cause
- the address of `foo' to be loaded into a register, which is exactly
- what we want to avoid when we are doing PIC on svr4 m68k. */
-#undef SUBTARGET_OVERRIDE_OPTIONS
-#define SUBTARGET_OVERRIDE_OPTIONS \
- if (flag_pic) flag_no_function_cse = 1;
-
/* For m68k SVR4, structures are returned using the reentrant
technique. */
#undef PCC_STATIC_STRUCT_RETURN
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c
index 6114664bb8b..fc635fb9aa8 100644
--- a/gcc/config/m68k/m68k.c
+++ b/gcc/config/m68k/m68k.c
@@ -175,6 +175,27 @@ override_options ()
m68k_align_funcs = i;
}
+ /* -fPIC uses 32-bit pc-relative displacements, which don't exist
+ until the 68020. */
+ if (! TARGET_68020 && flag_pic == 2)
+ error("-fPIC is not currently supported on the 68000 or 68010\n");
+
+ /* ??? A historic way of turning on pic, or is this intended to
+ be an embedded thing that doesn't have the same name binding
+ significance that it does on hosted ELF systems? */
+ if (TARGET_PCREL && flag_pic == 0)
+ flag_pic = 1;
+
+ /* Turn off function cse if we are doing PIC. We always want function call
+ to be done as `bsr foo@PLTPC', so it will force the assembler to create
+ the PLT entry for `foo'. Doing function cse will cause the address of
+ `foo' to be loaded into a register, which is exactly what we want to
+ avoid when we are doing PIC on svr4 m68k. */
+ if (flag_pic)
+ flag_no_function_cse = 1;
+
+ SUBTARGET_OVERRIDE_OPTIONS;
+
/* Tell the compiler which flavor of XFmode we're using. */
real_format_for_mode[XFmode - QFmode] = &ieee_extended_motorola_format;
}
diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h
index 3650b91feef..703a3796611 100644
--- a/gcc/config/m68k/m68k.h
+++ b/gcc/config/m68k/m68k.h
@@ -277,15 +277,7 @@ extern int target_flags;
Don't use this macro to turn on various extra optimizations for
`-O'. That is what `OPTIMIZATION_OPTIONS' is for. */
-#define OVERRIDE_OPTIONS \
-{ \
- override_options(); \
- if (! TARGET_68020 && flag_pic == 2) \
- error("-fPIC is not currently supported on the 68000 or 68010\n"); \
- if (TARGET_PCREL && flag_pic == 0) \
- flag_pic = 1; \
- SUBTARGET_OVERRIDE_OPTIONS; \
-}
+#define OVERRIDE_OPTIONS override_options()
/* These are meant to be redefined in the host dependent files */
#define SUBTARGET_SWITCHES
diff --git a/gcc/config/m68k/m68kelf.h b/gcc/config/m68k/m68kelf.h
index fef3ebcda85..7866a239209 100644
--- a/gcc/config/m68k/m68kelf.h
+++ b/gcc/config/m68k/m68kelf.h
@@ -251,20 +251,6 @@ extern int switch_table_difference_label_flag;
|| (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \
|| PCREL_GENERAL_OPERAND_OK)
-/* Turn off function cse if we are doing PIC. We always want function call
- to be done as `bsr foo@PLTPC', so it will force the assembler to create
- the PLT entry for `foo'. Doing function cse will cause the address of `foo'
- to be loaded into a register, which is exactly what we want to avoid when
- we are doing PIC on svr4 m68k. */
-#undef OVERRIDE_OPTIONS
-#define OVERRIDE_OPTIONS \
-{ \
- if (flag_pic) flag_no_function_cse = 1; \
- if (! TARGET_68020 && flag_pic == 2) \
- error("-fPIC is not currently supported on the 68000 or 68010\n"); \
- if (TARGET_PCREL && flag_pic == 0) \
- flag_pic = 1; \
-}
/* end of stuff from m68kv4.h */
#undef SGS_CMP_ORDER
diff --git a/gcc/config/m68k/m68kv4.h b/gcc/config/m68k/m68kv4.h
index fbe7c426731..5318824ecb3 100644
--- a/gcc/config/m68k/m68kv4.h
+++ b/gcc/config/m68k/m68kv4.h
@@ -283,19 +283,6 @@ int switch_table_difference_label_flag;
|| (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \
|| PCREL_GENERAL_OPERAND_OK)
-/* Turn off function cse if we are doing PIC. We always want function call
- to be done as `bsr foo@PLTPC', so it will force the assembler to create
- the PLT entry for `foo'. Doing function cse will cause the address of `foo'
- to be loaded into a register, which is exactly what we want to avoid when
- we are doing PIC on svr4 m68k. */
-#undef OVERRIDE_OPTIONS
-#define OVERRIDE_OPTIONS \
-{ \
- if (flag_pic) flag_no_function_cse = 1; \
- if (! TARGET_68020 && flag_pic == 2) \
- error("-fPIC is not currently supported on the 68000 or 68010\n"); \
-}
-
/* Output assembler code for a block containing the constant parts
of a trampoline, leaving space for the variable parts. */
diff --git a/gcc/config/m68k/netbsd-elf.h b/gcc/config/m68k/netbsd-elf.h
index 92291445452..078cd14982b 100644
--- a/gcc/config/m68k/netbsd-elf.h
+++ b/gcc/config/m68k/netbsd-elf.h
@@ -273,17 +273,6 @@ while (0)
fprintf ((FILE), ",%u\n", (SIZE)))
-/* Turn off function cse if we are doing PIC. We always want function
- call to be done as `bsr foo@PLTPC', so it will force the assembler
- to create the PLT entry for `foo'. Doing function cse will cause
- the address of `foo' to be loaded into a register, which is exactly
- what we want to avoid when we are doing PIC on svr4 m68k. */
-
-#undef SUBTARGET_OVERRIDE_OPTIONS
-#define SUBTARGET_OVERRIDE_OPTIONS \
- if (flag_pic) flag_no_function_cse = 1;
-
-
/* XXX
This is the end of the chunk lifted from m68kelf.h */