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| author | Max Filippov <jcmvbkbc@gmail.com> | 2018-02-08 10:28:52 -0800 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2018-02-20 11:49:48 -0800 |
| commit | cd665a945eccba1406696c65ac7eebb12a355446 (patch) | |
| tree | a3982708d2d39792d56384e59144d9143d8d91c4 /gas/ChangeLog | |
| parent | 7104e59bece90e387d70f617eb7ed4c34087283d (diff) | |
| download | gdb-cd665a945eccba1406696c65ac7eebb12a355446.zip gdb-cd665a945eccba1406696c65ac7eebb12a355446.tar.gz gdb-cd665a945eccba1406696c65ac7eebb12a355446.tar.bz2 | |
gas: xtensa: limit size of auto litpools
Literal movement code may grow auto litpool so big that it won't be
possible to jump around it. Limit the size of auto litpools by 1/2 of
the jump range.
gas/
2018-02-20 Max Filippov <jcmvbkbc@gmail.com>
* config/tc-xtensa.c (struct litpool_frag): Add new field
literal_count.
(MAX_AUTO_POOL_LITERALS, MAX_EXPLICIT_POOL_LITERALS)
(MAX_POOL_LITERALS): New macro definitions.
(auto_litpool_limit): Initialize to 0.
(md_parse_option): Set auto_litpool_limit in the presence of
--auto-litpools option.
(xtensa_maybe_create_literal_pool_frag): Zero-initialize
literal_count field.
(xg_find_litpool): New function. Make sure that found literal
pool size is within the limit.
(xtensa_move_literals): Extract literal pool search code into
the new function.
* testsuite/gas/xtensa/all.exp: Add auto-litpools-2 test.
* testsuite/gas/xtensa/auto-litpools-2.d: New file.
* testsuite/gas/xtensa/auto-litpools-2.s: New file.
* testsuite/gas/xtensa/auto-litpools.d: Fix up changed
addresses.
* testsuite/gas/xtensa/auto-litpools.s: Change literal value so
that objdump doesn't get out of sync.
Diffstat (limited to 'gas/ChangeLog')
| -rw-r--r-- | gas/ChangeLog | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 19fb02f..3ce6995 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,26 @@ +2018-02-20 Max Filippov <jcmvbkbc@gmail.com> + + * config/tc-xtensa.c (struct litpool_frag): Add new field + literal_count. + (MAX_AUTO_POOL_LITERALS, MAX_EXPLICIT_POOL_LITERALS) + (MAX_POOL_LITERALS): New macro definitions. + (auto_litpool_limit): Initialize to 0. + (md_parse_option): Set auto_litpool_limit in the presence of + --auto-litpools option. + (xtensa_maybe_create_literal_pool_frag): Zero-initialize + literal_count field. + (xg_find_litpool): New function. Make sure that found literal + pool size is within the limit. + (xtensa_move_literals): Extract literal pool search code into + the new function. + * testsuite/gas/xtensa/all.exp: Add auto-litpools-2 test. + * testsuite/gas/xtensa/auto-litpools-2.d: New file. + * testsuite/gas/xtensa/auto-litpools-2.s: New file. + * testsuite/gas/xtensa/auto-litpools.d: Fix up changed + addresses. + * testsuite/gas/xtensa/auto-litpools.s: Change literal value so + that objdump doesn't get out of sync. + 2018-02-20 Thomas Preud'homme <thomas.preudhomme@arm.com> * doc/c-arm.texi (.arch_extension): Mention extensions it accepts are |