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| author | Paul Koning <pkoning@gcc.gnu.org> | 2018-10-03 14:31:52 -0400 |
|---|---|---|
| committer | Paul Koning <pkoning@gcc.gnu.org> | 2018-10-03 14:31:52 -0400 |
| commit | 0a7eb8dfc5dcc74f2084d12e4fe57a07c5817b13 (patch) | |
| tree | ebaf35f1a064e0506d7694adc51a0ae1ce570bdd /gcc/config/pdp11/pdp11.c | |
| parent | f707a0378804335b425fe541488a39aa642ca550 (diff) | |
| download | gcc-0a7eb8dfc5dcc74f2084d12e4fe57a07c5817b13.tar.gz | |
Enable LRA register allocator for PDP11.
* config/pdp11/constraints.md (Q): Use define_memory_constraints.
(R): Likewise.
(D): Likewise.
* config/pdp11/pdp11.c (pdp11_lra_p): New function.
* config/pdp11/pdp11.opt (-mlra): New option.
* doc/invoke.texi (PDP-11 Options): Document -mlra.
From-SVN: r264819
Diffstat (limited to 'gcc/config/pdp11/pdp11.c')
| -rw-r--r-- | gcc/config/pdp11/pdp11.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/config/pdp11/pdp11.c b/gcc/config/pdp11/pdp11.c index 62c653fd8a1..f80a8783d8e 100644 --- a/gcc/config/pdp11/pdp11.c +++ b/gcc/config/pdp11/pdp11.c @@ -230,7 +230,7 @@ static bool pdp11_scalar_mode_supported_p (scalar_mode); #define TARGET_PREFERRED_OUTPUT_RELOAD_CLASS pdp11_preferred_output_reload_class #undef TARGET_LRA_P -#define TARGET_LRA_P hook_bool_void_false +#define TARGET_LRA_P pdp11_lra_p #undef TARGET_LEGITIMATE_ADDRESS_P #define TARGET_LEGITIMATE_ADDRESS_P pdp11_legitimate_address_p @@ -991,6 +991,12 @@ pdp11_assemble_integer (rtx x, unsigned int size, int aligned_p) } +static bool +pdp11_lra_p (void) +{ + return TARGET_LRA; +} + /* Register to register moves are cheap if both are general registers. */ static int |