| Brad Bishop | 286d45c | 2018-10-02 15:21:57 -0400 | [diff] [blame^] | 1 | From 0c740ddd203433ef8d979348c085269f8b97cbfc Mon Sep 17 00:00:00 2001 |
| 2 | From: Mahesh Bodapati <mbodapat@xilinx.com> |
| 3 | Date: Sat, 26 Aug 2017 19:21:50 -0700 |
| 4 | Subject: [PATCH] MicroBlaze fixing the bug in the bit-field instruction. |
| 5 | |
| 6 | Bit field instruction should be generated only if mcpu >10.0 |
| 7 | |
| 8 | Signed-off-by: Mahesh Bodapati <mbodapat@xilinx.com> |
| 9 | Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com> |
| 10 | Upstream-Status: Pending |
| 11 | --- |
| 12 | gcc/config/microblaze/microblaze.c | 3 +++ |
| 13 | gcc/config/microblaze/microblaze.h | 2 ++ |
| 14 | 2 files changed, 5 insertions(+) |
| 15 | |
| 16 | diff --git a/gcc/config/microblaze/microblaze.c b/gcc/config/microblaze/microblaze.c |
| 17 | index 55dba83882..4f6d399bba 100644 |
| 18 | --- a/gcc/config/microblaze/microblaze.c |
| 19 | +++ b/gcc/config/microblaze/microblaze.c |
| 20 | @@ -159,6 +159,9 @@ int microblaze_no_unsafe_delay; |
| 21 | /* Set to one if the targeted core has the CLZ insn. */ |
| 22 | int microblaze_has_clz = 0; |
| 23 | |
| 24 | +/* Set to one if the targeted core has barrel-shift and cpu > 10.0 */ |
| 25 | +int microblaze_has_bitfield = 0; |
| 26 | + |
| 27 | /* Which CPU pipeline do we use. We haven't really standardized on a CPU |
| 28 | version having only a particular type of pipeline. There can still be |
| 29 | options on the CPU to scale pipeline features up or down. :( |
| 30 | diff --git a/gcc/config/microblaze/microblaze.h b/gcc/config/microblaze/microblaze.h |
| 31 | index 3f48e48f10..712525f856 100644 |
| 32 | --- a/gcc/config/microblaze/microblaze.h |
| 33 | +++ b/gcc/config/microblaze/microblaze.h |
| 34 | @@ -44,6 +44,7 @@ extern int microblaze_dbx_regno[]; |
| 35 | |
| 36 | extern int microblaze_no_unsafe_delay; |
| 37 | extern int microblaze_has_clz; |
| 38 | +extern int microblaze_has_bitfield; |
| 39 | extern enum pipeline_type microblaze_pipe; |
| 40 | |
| 41 | #define OBJECT_FORMAT_ELF |
| 42 | @@ -62,6 +63,7 @@ extern enum pipeline_type microblaze_pipe; |
| 43 | |
| 44 | /* Do we have CLZ? */ |
| 45 | #define TARGET_HAS_CLZ (TARGET_PATTERN_COMPARE && microblaze_has_clz) |
| 46 | +#define TARGET_HAS_BITFIELD (TARGET_BARREL_SHIFT && microblaze_has_bitfield) |
| 47 | |
| 48 | /* The default is to support PIC. */ |
| 49 | #define TARGET_SUPPORTS_PIC 1 |
| 50 | -- |
| 51 | 2.14.2 |
| 52 | |