diff options
Diffstat (limited to 'gcc/config/arm/arm.c')
| -rw-r--r-- | gcc/config/arm/arm.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 18e009d..464bba5 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -76,6 +76,7 @@ static int thumb1_base_register_rtx_p (rtx, enum machine_mode, int); static rtx arm_legitimize_address (rtx, rtx, enum machine_mode); static rtx thumb_legitimize_address (rtx, rtx, enum machine_mode); inline static int thumb1_index_register_rtx_p (rtx, int); +static bool arm_legitimate_address_p (enum machine_mode, rtx, bool); static int thumb_far_jump_used_p (void); static bool thumb_force_lr_save (void); static int const_ok_for_op (HOST_WIDE_INT, enum rtx_code); @@ -403,6 +404,9 @@ static bool arm_allocate_stack_slots_for_args (void); #define TARGET_ASM_OUTPUT_DWARF_DTPREL arm_output_dwarf_dtprel #endif +#undef TARGET_LEGITIMATE_ADDRESS_P +#define TARGET_LEGITIMATE_ADDRESS_P arm_legitimate_address_p + struct gcc_target targetm = TARGET_INITIALIZER; /* Obstack for minipool constant handling. */ @@ -3914,8 +3918,8 @@ pcrel_constant_p (rtx x) /* Return nonzero if X is a valid ARM state address operand. */ int -arm_legitimate_address_p (enum machine_mode mode, rtx x, RTX_CODE outer, - int strict_p) +arm_legitimate_address_outer_p (enum machine_mode mode, rtx x, RTX_CODE outer, + int strict_p) { bool use_ldrd; enum rtx_code code = GET_CODE (x); @@ -3999,7 +4003,7 @@ arm_legitimate_address_p (enum machine_mode mode, rtx x, RTX_CODE outer, } /* Return nonzero if X is a valid Thumb-2 address operand. */ -int +static int thumb2_legitimate_address_p (enum machine_mode mode, rtx x, int strict_p) { bool use_ldrd; @@ -4305,7 +4309,7 @@ thumb1_index_register_rtx_p (rtx x, int strict_p) addresses based on the frame pointer or arg pointer until the reload pass starts. This is so that eliminating such addresses into stack based ones won't produce impossible code. */ -int +static int thumb1_legitimate_address_p (enum machine_mode mode, rtx x, int strict_p) { /* ??? Not clear if this is right. Experiment. */ @@ -4419,6 +4423,17 @@ thumb_legitimate_offset_p (enum machine_mode mode, HOST_WIDE_INT val) } } +bool +arm_legitimate_address_p (enum machine_mode mode, rtx x, bool strict_p) +{ + if (TARGET_ARM) + return arm_legitimate_address_outer_p (mode, x, SET, strict_p); + else if (TARGET_THUMB2) + return thumb2_legitimate_address_p (mode, x, strict_p); + else /* if (TARGET_THUMB1) */ + return thumb1_legitimate_address_p (mode, x, strict_p); +} + /* Build the SYMBOL_REF for __tls_get_addr. */ static GTY(()) rtx tls_get_addr_libfunc; @@ -4654,7 +4669,7 @@ arm_legitimize_address (rtx x, rtx orig_x, enum machine_mode mode) } /* XXX We don't allow MINUS any more -- see comment in - arm_legitimate_address_p (). */ + arm_legitimate_address_outer_p (). */ else if (GET_CODE (x) == MINUS) { rtx xop0 = XEXP (x, 0); |