From 1cf1574dc98ce820b13858a0e0b9669f790316a4 Mon Sep 17 00:00:00 2001 From: DJ Delorie Date: Wed, 11 Jun 2014 17:06:31 -0400 Subject: [PATCH] rx.h (FUNCTION_BOUNDARY): Adjust for RX100/200 4-byte cache lines. * config/rx/rx.h (FUNCTION_BOUNDARY): Adjust for RX100/200 4-byte cache lines. * config/rx/rx.c (rx_option_override): Likewise. (rx_align_for_label): Likewise. From-SVN: r211481 --- gcc/ChangeLog | 5 +++++ gcc/config/rx/rx.c | 12 ++++++++---- gcc/config/rx/rx.h | 2 +- 3 files changed, 14 insertions(+), 5 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ec2ee1d..f394ca4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2014-06-11 DJ Delorie + * config/rx/rx.h (FUNCTION_BOUNDARY): Adjust for RX100/200 4-byte + cache lines. + * config/rx/rx.c (rx_option_override): Likewise. + (rx_align_for_label): Likewise. + * config/rx/rx.c (rx_max_skip_for_label): Don't skip anything if -Os. 2014-06-11 Maciej W. Rozycki diff --git a/gcc/config/rx/rx.c b/gcc/config/rx/rx.c index d04e652..2a525f3 100644 --- a/gcc/config/rx/rx.c +++ b/gcc/config/rx/rx.c @@ -2792,11 +2792,11 @@ rx_option_override (void) rx_override_options_after_change (); if (align_jumps == 0 && ! optimize_size) - align_jumps = 3; + align_jumps = ((rx_cpu_type == RX100 || rx_cpu_type == RX200) ? 2 : 3); if (align_loops == 0 && ! optimize_size) - align_loops = 3; + align_loops = ((rx_cpu_type == RX100 || rx_cpu_type == RX200) ? 2 : 3); if (align_labels == 0 && ! optimize_size) - align_labels = 3; + align_labels = ((rx_cpu_type == RX100 || rx_cpu_type == RX200) ? 2 : 3); } @@ -3201,7 +3201,11 @@ rx_align_for_label (rtx lab, int uses_threshold) if (LABEL_P (lab) && LABEL_NUSES (lab) < uses_threshold) return 0; - return optimize_size ? 1 : 3; + if (optimize_size) + return 0; + if (rx_cpu_type == RX100 || rx_cpu_type == RX200) + return 2; + return 2; } static int diff --git a/gcc/config/rx/rx.h b/gcc/config/rx/rx.h index d99b19a..209518c 100644 --- a/gcc/config/rx/rx.h +++ b/gcc/config/rx/rx.h @@ -142,7 +142,7 @@ /* RX load/store instructions can handle unaligned addresses. */ #define STRICT_ALIGNMENT 0 -#define FUNCTION_BOUNDARY 8 +#define FUNCTION_BOUNDARY ((rx_cpu_type == RX100 || rx_cpu_type == RX200) ? 4 : 8) #define BIGGEST_ALIGNMENT 32 #define STACK_BOUNDARY 32 #define PARM_BOUNDARY 8 -- 2.7.4