diff options
Diffstat (limited to 'gcc/config/c4x/c4x.h')
| -rw-r--r-- | gcc/config/c4x/c4x.h | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/gcc/config/c4x/c4x.h b/gcc/config/c4x/c4x.h index 1dc8d5c63ed..7ef0738f008 100644 --- a/gcc/config/c4x/c4x.h +++ b/gcc/config/c4x/c4x.h @@ -303,7 +303,9 @@ extern int target_flags; #define TARGET_C40 (target_flags & C40_FLAG) #define TARGET_C44 (target_flags & C44_FLAG) +/* Define some options to control code generation. */ #define TARGET_LOAD_ADDRESS (1 || (! TARGET_C3X && ! TARGET_SMALL)) +#define TARGET_EXPOSE_LDP 0 /* -mrpts allows the use of the RPTS instruction irregardless. -mrpts=max-cycles will use RPTS if the number of cycles is constant @@ -1664,6 +1666,20 @@ extern struct rtx_def *c4x_legitimize_address (); } \ } +extern struct rtx_def *c4x_legitimize_reload_address (); +#define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN) \ +{ \ + rtx new; \ + new = c4x_legitimize_reload_address (X, MODE, insn); \ + if (new != NULL_RTX) \ + { \ + (X) = new; \ + /* We do not have to call push_reload because we do not require \ + any more reloads. */ \ + goto WIN; \ + } \ +} + /* No mode-dependent addresses on the C4x are autoincrements. */ @@ -1684,7 +1700,9 @@ extern struct rtx_def *c4x_legitimize_address (); restricted subset of CONST_INT and CONST_DOUBLE. Disallow LABEL_REF and SYMBOL_REF (except on the C40 with the big memory model) so that the symbols will be forced into the constant pool. - On second thoughts, lets do this with the move expanders. + On second thoughts, let's do this with the move expanders since + the alias analysis has trouble if we force constant addresses + into memory. */ #define LEGITIMATE_CONSTANT_P(X) \ @@ -2078,7 +2096,7 @@ dtors_section () \ fprintf (FILE, "\n"); \ } -#define ASM_FILE_END(FILE) fprintf (FILE, "\t.end\n") +#define ASM_FILE_END(FILE) fprintf (FILE, "\t.end\n") /* We need to have a data section we can identify so that we can set the DP register back to a data pointer in the small memory model. @@ -2089,7 +2107,7 @@ dtors_section () \ if (! TARGET_TI) fputs ("gcc2_compiled.:\n", FILE); \ fputs ("\t.data\ndata_sec:\n", FILE); -#define ASM_COMMENT_START ";" +#define ASM_COMMENT_START ";" #define ASM_APP_ON "" #define ASM_APP_OFF "" @@ -2248,8 +2266,10 @@ asm_fprintf (FILE, "%s%d:\n", PREFIX, NUM) #define CPP_PREDEFINES "" -/* This says how to output an assembler line - to define a local common symbol. */ +/* Output of Uninitialized Variables */ + +/* This says how to output an assembler line to define a local + uninitialized variable. */ #undef ASM_OUTPUT_LOCAL #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ @@ -2257,7 +2277,8 @@ asm_fprintf (FILE, "%s%d:\n", PREFIX, NUM) assemble_name (FILE, (NAME)), \ fprintf (FILE, ",%u\n", (ROUNDED))) -/* Output of Uninitialized Variables */ +/* This says how to output an assembler line to define a global + uninitialized variable. */ #undef ASM_OUTPUT_COMMON #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ |