diff options
Diffstat (limited to 'gcc/config/mips/mips.c')
| -rw-r--r-- | gcc/config/mips/mips.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 7c70c6727b8..4f7d5bd6f41 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -6117,18 +6117,17 @@ mips_get_reg_raw_mode (int regno) return default_get_reg_raw_mode (regno); } -/* Return true if FUNCTION_ARG_PADDING (MODE, TYPE) should return - upward rather than downward. In other words, return true if the - first byte of the stack slot has useful data, false if the last - byte does. */ +/* Implement TARGET_FUNCTION_ARG_PADDING; return PAD_UPWARD if the first + byte of the stack slot has useful data, PAD_DOWNWARD if the last byte + does. */ -bool -mips_pad_arg_upward (machine_mode mode, const_tree type) +static pad_direction +mips_function_arg_padding (machine_mode mode, const_tree type) { /* On little-endian targets, the first byte of every stack argument is passed in the first byte of the stack slot. */ if (!BYTES_BIG_ENDIAN) - return true; + return PAD_UPWARD; /* Otherwise, integral types are padded downward: the last byte of a stack argument is passed in the last byte of the stack slot. */ @@ -6138,22 +6137,24 @@ mips_pad_arg_upward (machine_mode mode, const_tree type) || FIXED_POINT_TYPE_P (type)) : (SCALAR_INT_MODE_P (mode) || ALL_SCALAR_FIXED_POINT_MODE_P (mode))) - return false; + return PAD_DOWNWARD; /* Big-endian o64 pads floating-point arguments downward. */ if (mips_abi == ABI_O64) if (type != 0 ? FLOAT_TYPE_P (type) : GET_MODE_CLASS (mode) == MODE_FLOAT) - return false; + return PAD_DOWNWARD; /* Other types are padded upward for o32, o64, n32 and n64. */ if (mips_abi != ABI_EABI) - return true; + return PAD_UPWARD; /* Arguments smaller than a stack slot are padded downward. */ - if (mode != BLKmode) - return GET_MODE_BITSIZE (mode) >= PARM_BOUNDARY; - else - return int_size_in_bytes (type) >= (PARM_BOUNDARY / BITS_PER_UNIT); + if (mode != BLKmode + ? GET_MODE_BITSIZE (mode) >= PARM_BOUNDARY + : int_size_in_bytes (type) >= (PARM_BOUNDARY / BITS_PER_UNIT)) + return PAD_UPWARD; + + return PAD_DOWNWARD; } /* Likewise BLOCK_REG_PADDING (MODE, TYPE, ...). Return !BYTES_BIG_ENDIAN @@ -6169,7 +6170,7 @@ mips_pad_reg_upward (machine_mode mode, tree type) /* Otherwise, apply the same padding to register arguments as we do to stack arguments. */ - return mips_pad_arg_upward (mode, type); + return mips_function_arg_padding (mode, type) == PAD_UPWARD; } /* Return nonzero when an argument must be passed by reference. */ @@ -22459,6 +22460,8 @@ mips_promote_function_mode (const_tree type ATTRIBUTE_UNUSED, #define TARGET_FUNCTION_ARG mips_function_arg #undef TARGET_FUNCTION_ARG_ADVANCE #define TARGET_FUNCTION_ARG_ADVANCE mips_function_arg_advance +#undef TARGET_FUNCTION_ARG_PADDING +#define TARGET_FUNCTION_ARG_PADDING mips_function_arg_padding #undef TARGET_FUNCTION_ARG_BOUNDARY #define TARGET_FUNCTION_ARG_BOUNDARY mips_function_arg_boundary #undef TARGET_GET_RAW_RESULT_MODE |