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author | Maciej W. Rozycki <macro@linux-mips.org> | 2011-11-14 13:43:23 +0000 |
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committer | Maciej W. Rozycki <macro@linux-mips.org> | 2011-11-14 13:43:23 +0000 |
commit | 9301f9c3e348449d38ecb37b575ffbf4ac37bdde (patch) | |
tree | 16dc3a280b31e0486705f09a0351c5e12c46b56f | |
parent | edcc485a366503e7591c65dd1504cc40e028b0f5 (diff) | |
download | gdb-9301f9c3e348449d38ecb37b575ffbf4ac37bdde.zip gdb-9301f9c3e348449d38ecb37b575ffbf4ac37bdde.tar.gz gdb-9301f9c3e348449d38ecb37b575ffbf4ac37bdde.tar.bz2 |
gas/
* config/tc-mips.c (can_swap_branch_p): Exclude microMIPS
variant frags too.
gas/testsuite/
* gas/mips/relax-swap3.d: New test.
* gas/mips/mips16@relax-swap3.d: Likewise.
* gas/mips/micromips@relax-swap3.d: Likewise.
* gas/mips/relax-swap3.s: New test source.
* gas/mips/mips.exp: Run the new tests.
-rw-r--r-- | gas/ChangeLog | 5 | ||||
-rw-r--r-- | gas/config/tc-mips.c | 5 | ||||
-rw-r--r-- | gas/testsuite/ChangeLog | 8 | ||||
-rw-r--r-- | gas/testsuite/gas/mips/micromips@relax-swap3.d | 22 | ||||
-rw-r--r-- | gas/testsuite/gas/mips/mips.exp | 1 | ||||
-rw-r--r-- | gas/testsuite/gas/mips/mips16@relax-swap3.d | 15 | ||||
-rw-r--r-- | gas/testsuite/gas/mips/relax-swap3.d | 21 | ||||
-rw-r--r-- | gas/testsuite/gas/mips/relax-swap3.s | 14 |
8 files changed, 88 insertions, 3 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 3b306e2..fa0cec6 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,8 @@ +2011-11-14 Maciej W. Rozycki <macro@codesourcery.com> + + * config/tc-mips.c (can_swap_branch_p): Exclude microMIPS + variant frags too. + 2011-11-07 Matthew Gretton-Dann <matthew.gretton-dann@arm.com> * config/tc-arm.c (arm_cpus): Add cortex-a7 entry. diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index 28f124a..c4afee3 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -3728,9 +3728,8 @@ can_swap_branch_p (struct mips_cl_insn *ip) /* If the previous instruction is in a variant frag other than this branch's one, we cannot do the swap. This does not apply to - MIPS16/microMIPS code, which uses variant frags for different - purposes. */ - if (!HAVE_CODE_COMPRESSION + MIPS16 code, which uses variant frags for different purposes. */ + if (!mips_opts.mips16 && history[0].frag && history[0].frag->fr_type == rs_machine_dependent) return FALSE; diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index 3143609..a16ce61 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2011-11-14 Maciej W. Rozycki <macro@codesourcery.com> + + * gas/mips/relax-swap3.d: New test. + * gas/mips/mips16@relax-swap3.d: Likewise. + * gas/mips/micromips@relax-swap3.d: Likewise. + * gas/mips/relax-swap3.s: New test source. + * gas/mips/mips.exp: Run the new tests. + 2011-11-02 Nick Clifton <nickc@redhat.com> * gas/arm/pic.d: Update expected output. diff --git a/gas/testsuite/gas/mips/micromips@relax-swap3.d b/gas/testsuite/gas/mips/micromips@relax-swap3.d new file mode 100644 index 0000000..d84d386 --- /dev/null +++ b/gas/testsuite/gas/mips/micromips@relax-swap3.d @@ -0,0 +1,22 @@ +#objdump: -dr --prefix-addresses --show-raw-insn +#name: MIPS relaxed macro with branch swapping +#as: -32 +#source: relax-swap3.s + +.*: +file format .*mips.* + +Disassembly of section \.text: +[0-9a-f]+ <[^>]*> 41a2 0000 lui v0,0x0 +[ ]*[0-9a-f]+: R_MICROMIPS_HI16 bar +[0-9a-f]+ <[^>]*> 3042 0000 addiu v0,v0,0 +[ ]*[0-9a-f]+: R_MICROMIPS_LO16 bar +[0-9a-f]+ <[^>]*> 4583 jr v1 +[0-9a-f]+ <[^>]*> 0c00 nop +[0-9a-f]+ <[^>]*> 41a2 0000 lui v0,0x0 +[ ]*[0-9a-f]+: R_MICROMIPS_HI16 bar +[0-9a-f]+ <[^>]*> 3042 0000 addiu v0,v0,0 +[ ]*[0-9a-f]+: R_MICROMIPS_LO16 bar +[0-9a-f]+ <[^>]*> 8dff beqz v1,[0-9a-f]+ <[^>]*> +[ ]*[0-9a-f]+: R_MICROMIPS_PC7_S1 .* +[0-9a-f]+ <[^>]*> 0c00 nop + \.\.\. diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp index b6fa3f0..cbaaa70 100644 --- a/gas/testsuite/gas/mips/mips.exp +++ b/gas/testsuite/gas/mips/mips.exp @@ -749,6 +749,7 @@ if { [istarget mips*-*-vxworks*] } { run_dump_test "relax-swap1-mips1" run_dump_test "relax-swap1-mips2" run_dump_test "relax-swap2" + run_dump_test_arches "relax-swap3" [mips_arch_list_all] run_list_test_arches "relax-bposge" "-mdsp -relax-branch" \ [mips_arch_list_matching mips64r2 \ !micromips] diff --git a/gas/testsuite/gas/mips/mips16@relax-swap3.d b/gas/testsuite/gas/mips/mips16@relax-swap3.d new file mode 100644 index 0000000..49949b4 --- /dev/null +++ b/gas/testsuite/gas/mips/mips16@relax-swap3.d @@ -0,0 +1,15 @@ +#objdump: -dr --prefix-addresses --show-raw-insn +#name: MIPS relaxed macro with branch swapping +#as: -32 +#source: relax-swap3.s + +.*: +file format .*mips.* + +Disassembly of section \.text: +[0-9a-f]+ <[^>]*> 0a00 la v0,[0-9a-f]+ <[^>]*> +[0-9a-f]+ <[^>]*> eb00 jr v1 +[0-9a-f]+ <[^>]*> 6500 nop +[0-9a-f]+ <[^>]*> f7ff 0a1c la v0,[0-9a-f]+ <[^>]*> +[0-9a-f]+ <[^>]*> 2300 beqz v1,[0-9a-f]+ <[^>]*> + \.\.\. +#pass diff --git a/gas/testsuite/gas/mips/relax-swap3.d b/gas/testsuite/gas/mips/relax-swap3.d new file mode 100644 index 0000000..fcc509b --- /dev/null +++ b/gas/testsuite/gas/mips/relax-swap3.d @@ -0,0 +1,21 @@ +#objdump: -dr --prefix-addresses --show-raw-insn +#name: MIPS relaxed macro with branch swapping +#as: -32 +#source: relax-swap3.s + +.*: +file format .*mips.* + +Disassembly of section \.text: +[0-9a-f]+ <[^>]*> 3c020000 lui v0,0x0 +[ ]*[0-9a-f]+: R_MIPS_HI16 bar +[0-9a-f]+ <[^>]*> 24420000 addiu v0,v0,0 +[ ]*[0-9a-f]+: R_MIPS_LO16 bar +[0-9a-f]+ <[^>]*> 00600008 jr v1 +[0-9a-f]+ <[^>]*> 00000000 nop +[0-9a-f]+ <[^>]*> 3c020000 lui v0,0x0 +[ ]*[0-9a-f]+: R_MIPS_HI16 bar +[0-9a-f]+ <[^>]*> 24420000 addiu v0,v0,0 +[ ]*[0-9a-f]+: R_MIPS_LO16 bar +[0-9a-f]+ <[^>]*> 10600001 beqz v1,[0-9a-f]+ <[^>]*> +[0-9a-f]+ <[^>]*> 00000000 nop + \.\.\. diff --git a/gas/testsuite/gas/mips/relax-swap3.s b/gas/testsuite/gas/mips/relax-swap3.s new file mode 100644 index 0000000..497ecf8 --- /dev/null +++ b/gas/testsuite/gas/mips/relax-swap3.s @@ -0,0 +1,14 @@ +# Source file used to check the lack of branch swapping with a relaxed macro. + + .text +foo: + la $2, bar + jr $3 + + la $2, bar + beqz $3, 0f +0: + +# Force at least 8 (non-delay-slot) zero bytes, to make 'objdump' print ... + .align 2 + .space 8 |