From 0a7eb8dfc5dcc74f2084d12e4fe57a07c5817b13 Mon Sep 17 00:00:00 2001 From: Paul Koning Date: Wed, 3 Oct 2018 14:31:52 -0400 Subject: 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 --- gcc/config/pdp11/pdp11.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'gcc/config/pdp11/pdp11.c') 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 -- cgit v1.2.1