diff options
Diffstat (limited to 'gcc/defaults.h')
| -rw-r--r-- | gcc/defaults.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index d842742e760..5aa667d9461 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -577,6 +577,19 @@ do { fputs (integer_asm_op (POINTER_SIZE / BITS_PER_UNIT, TRUE), FILE); \ #define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT #endif +/* Some macros can be defined by the backend in either a mode-dependent + or mode-independent form. The compiler proper should only use the + mode-dependent form, providing VOIDmode when the mode is unknown. + We can't poison the macros because the backend may reference them. */ + +#ifndef REGNO_MODE_OK_FOR_BASE_P +#define REGNO_MODE_OK_FOR_BASE_P(REGNO, MODE) REGNO_OK_FOR_BASE_P (REGNO) +#endif + +#ifndef REG_MODE_OK_FOR_BASE_P +#define REG_MODE_OK_FOR_BASE_P(REG, MODE) REG_OK_FOR_BASE_P (REG) +#endif + /* Determine the register class for registers suitable to be the base address register in a MEM. Allow the choice to be dependent upon the mode of the memory access. */ @@ -584,6 +597,20 @@ do { fputs (integer_asm_op (POINTER_SIZE / BITS_PER_UNIT, TRUE), FILE); \ #define MODE_BASE_REG_CLASS(MODE) BASE_REG_CLASS #endif +/* Some machines require a different base register class if the index + is a register. By default, assume that a base register is acceptable. */ +#ifndef MODE_BASE_REG_REG_CLASS +#define MODE_BASE_REG_REG_CLASS(MODE) MODE_BASE_REG_CLASS(MODE) +#endif + +#ifndef REGNO_MODE_OK_FOR_REG_BASE_P +#define REGNO_MODE_OK_FOR_REG_BASE_P(REGNO, MODE) REGNO_MODE_OK_FOR_BASE_P (REGNO, MODE) +#endif + +#ifndef REG_MODE_OK_FOR_REG_BASE_P +#define REG_MODE_OK_FOR_REG_BASE_P(REGNO, MODE) REG_MODE_OK_FOR_BASE_P (REGNO, MODE) +#endif + #ifndef LARGEST_EXPONENT_IS_NORMAL #define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0 #endif |