diff options
Diffstat (limited to 'gcc/config/microblaze/microblaze.h')
| -rw-r--r-- | gcc/config/microblaze/microblaze.h | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/gcc/config/microblaze/microblaze.h b/gcc/config/microblaze/microblaze.h index 5d28abf..a56b9de 100644 --- a/gcc/config/microblaze/microblaze.h +++ b/gcc/config/microblaze/microblaze.h @@ -68,8 +68,8 @@ extern enum pipeline_type microblaze_pipe; /* The default is to not need GOT for TLS. */ #define TLS_NEEDS_GOT 0 -/* What is the default setting for -mcpu= . We set it to v4.00.a even though - we are actually ahead. This is safest version that has generate code +/* What is the default setting for -mcpu= . We set it to v4.00.a even though + we are actually ahead. This is safest version that has generate code compatible for the original ISA */ #define MICROBLAZE_DEFAULT_CPU "v4.00.a" @@ -142,7 +142,7 @@ extern enum pipeline_type microblaze_pipe; #define MB_ABI_SUB_RETURN_ADDR_REGNUM 15 #define MB_ABI_DEBUG_RETURN_ADDR_REGNUM 16 #define MB_ABI_EXCEPTION_RETURN_ADDR_REGNUM 17 -#define MB_ABI_ASM_TEMP_REGNUM 18 +#define MB_ABI_ASM_TEMP_REGNUM 18 /* This is our temp register. */ #define MB_ABI_FRAME_POINTER_REGNUM 19 #define MB_ABI_PIC_ADDR_REGNUM 20 @@ -157,7 +157,7 @@ extern enum pipeline_type microblaze_pipe; #define MB_ABI_STATIC_CHAIN_REGNUM 3 #define MB_ABI_TEMP1_REGNUM 11 #define MB_ABI_TEMP2_REGNUM 12 -#define MB_ABI_MSR_SAVE_REG 11 +#define MB_ABI_MSR_SAVE_REG 11 /* Volatile register used to save MSR in interrupt handlers. */ @@ -177,8 +177,8 @@ extern enum pipeline_type microblaze_pipe; (GP_REG_FIRST + MB_ABI_SUB_RETURN_ADDR_REGNUM) /* Initial state of return address on entry to func = R15. - Actually, the RA is at R15+8, but gcc doesn't know how - to generate this. + Actually, the RA is at R15+8, but gcc doesn't know how + to generate this. NOTE: GDB has a workaround and expects this incorrect value. If this is fixed, a corresponding fix to GDB is needed. */ #define INCOMING_RETURN_ADDR_RTX \ @@ -294,7 +294,7 @@ extern enum pipeline_type microblaze_pipe; rMB_ABI_INTR_RETUREN_ADDR_REGNUM is a fixed register(return address for interrupt), and will not be used for anything else. */ - + #define FRAME_POINTER_REGNUM FRP_REG_NUM #define HARD_FRAME_POINTER_REGNUM \ (GP_REG_FIRST + MB_ABI_FRAME_POINTER_REGNUM) @@ -383,7 +383,7 @@ extern enum reg_class microblaze_regno_to_class[]; && (((VALUE) & 0x0000ffff) != 0 \ || (((VALUE) & ~2147483647) != 0 \ && ((VALUE) & ~2147483647) != ~2147483647))) - + #define PREFERRED_RELOAD_CLASS(X,CLASS) \ ((CLASS) != ALL_REGS \ ? (CLASS) \ @@ -470,7 +470,7 @@ typedef struct microblaze_args int fp_code; /* Mode of FP arguments */ int num_adjusts; /* number of adjustments made */ /* Adjustments made to args pass in regs. */ - /* ??? The size is doubled to work around a bug in the code that sets the + /* ??? The size is doubled to work around a bug in the code that sets the adjustments in function_arg. */ rtx adjust[MAX_ARGS_IN_REGISTERS * 2]; } CUMULATIVE_ARGS; @@ -512,7 +512,7 @@ typedef struct microblaze_args #define MAX_REGS_PER_ADDRESS 2 -/* Identify valid constant addresses. Exclude if PIC addr which +/* Identify valid constant addresses. Exclude if PIC addr which needs scratch register. */ #define CONSTANT_ADDRESS_P(X) microblaze_constant_address_p(X) @@ -608,7 +608,7 @@ typedef struct microblaze_args /* ASM_OUTPUT_ALIGNED_COMMON and ASM_OUTPUT_ALIGNED_LOCAL Unfortunately, we still need to set the section explicitly. Somehow, - our binutils assign .comm and .lcomm variables to the "current" section + our binutils assign .comm and .lcomm variables to the "current" section in the assembly file, rather than where they implicitly belong. We need to remove this explicit setting in GCC when binutils can understand sections better. */ @@ -836,11 +836,11 @@ do { \ #undef TARGET_ASM_NAMED_SECTION #define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section -/* Define the strings to put out for each section in the object file. - - Note: For ctors/dtors, we want to give these sections the SHF_WRITE - attribute to allow shared libraries to patch/resolve addresses into - these locations. On Microblaze, there is no concept of shared libraries +/* Define the strings to put out for each section in the object file. + + Note: For ctors/dtors, we want to give these sections the SHF_WRITE + attribute to allow shared libraries to patch/resolve addresses into + these locations. On Microblaze, there is no concept of shared libraries yet, so this is for future use. */ #define TEXT_SECTION_ASM_OP "\t.text" #define DATA_SECTION_ASM_OP "\t.data" @@ -865,7 +865,7 @@ do { \ "\tbrlid r15, " #FUNC "\n\t nop\n" \ TEXT_SECTION_ASM_OP); -/* We need to group -lm as well, since some Newlib math functions +/* We need to group -lm as well, since some Newlib math functions reference __errno! */ #undef LIB_SPEC #define LIB_SPEC \ |