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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-09-15 14:37:28 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-09-15 14:37:28 +0000 |
| commit | 870118b7f139a2477cd16de9d8539946959c5633 (patch) | |
| tree | 0f38ba28fa9b8476ec879058ccc6a40b6b2d5bc7 /gcc/config | |
| parent | bb149ca2e912038dce733f95ab1c24ff0d1af280 (diff) | |
| download | gcc-870118b7f139a2477cd16de9d8539946959c5633.zip gcc-870118b7f139a2477cd16de9d8539946959c5633.tar.gz gcc-870118b7f139a2477cd16de9d8539946959c5633.tar.bz2 | |
Turn FUNCTION_ARG_OFFSET into a hook
2017-09-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* target.def (function_arg_offset): New hook.
* targhooks.h (default_function_arg_offset): Declare.
* targhooks.c (default_function_arg_offset): New function.
* function.c (locate_and_pad_parm): Use
targetm.calls.function_arg_offset instead of FUNCTION_ARG_OFFSET.
* doc/tm.texi.in (FUNCTION_ARG_OFFSET): Replace with...
(TARGET_FUNCTION_ARG_OFFSET): ...this.
* doc/tm.texi: Regenerate.
* config/spu/spu.h (FUNCTION_ARG_OFFSET): Delete.
* config/spu/spu.c (spu_function_arg_offset): New function.
(TARGET_FUNCTION_ARG_OFFSET): Redefine.
* system.h (FUNCTION_ARG_OFFSET): Poison.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r252821
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/spu/spu.c | 15 | ||||
| -rw-r--r-- | gcc/config/spu/spu.h | 7 |
2 files changed, 15 insertions, 7 deletions
diff --git a/gcc/config/spu/spu.c b/gcc/config/spu/spu.c index 4ce227b..a35f0b8 100644 --- a/gcc/config/spu/spu.c +++ b/gcc/config/spu/spu.c @@ -3881,6 +3881,18 @@ spu_function_arg_advance (cumulative_args_t cum_v, machine_mode mode, : spu_hard_regno_nregs (FIRST_ARG_REGNUM, mode)); } +/* Implement TARGET_FUNCTION_ARG_OFFSET. The SPU ABI wants 32/64-bit + types at offset 0 in the quad-word on the stack. 8/16-bit types + should be at offsets 3/2 respectively. */ + +static HOST_WIDE_INT +spu_function_arg_offset (machine_mode mode, const_tree type) +{ + if (type && INTEGRAL_TYPE_P (type) && GET_MODE_SIZE (mode) < 4) + return 4 - GET_MODE_SIZE (mode); + return 0; +} + /* Implement TARGET_FUNCTION_ARG_PADDING. */ static pad_direction @@ -7300,6 +7312,9 @@ static const struct attribute_spec spu_attribute_table[] = #undef TARGET_FUNCTION_ARG_ADVANCE #define TARGET_FUNCTION_ARG_ADVANCE spu_function_arg_advance +#undef TARGET_FUNCTION_ARG_OFFSET +#define TARGET_FUNCTION_ARG_OFFSET spu_function_arg_offset + #undef TARGET_FUNCTION_ARG_PADDING #define TARGET_FUNCTION_ARG_PADDING spu_function_arg_padding diff --git a/gcc/config/spu/spu.h b/gcc/config/spu/spu.h index 3e60e19..4cf426b 100644 --- a/gcc/config/spu/spu.h +++ b/gcc/config/spu/spu.h @@ -309,13 +309,6 @@ targetm.resolve_overloaded_builtin = spu_resolve_overloaded_builtin; \ #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,FNDECL,N_NAMED_ARGS) \ ((CUM) = 0) -/* The SPU ABI wants 32/64-bit types at offset 0 in the quad-word on the - stack. 8/16-bit types should be at offsets 3/2 respectively. */ -#define FUNCTION_ARG_OFFSET(MODE, TYPE) \ -(((TYPE) && INTEGRAL_TYPE_P (TYPE) && GET_MODE_SIZE (MODE) < 4) \ - ? (4 - GET_MODE_SIZE (MODE)) \ - : 0) - #define PAD_VARARGS_DOWN 0 #define FUNCTION_ARG_REGNO_P(N) ((N) >= (FIRST_ARG_REGNUM) && (N) <= (LAST_ARG_REGNUM)) |