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| author | Loria <Loria@phantasia.org> | 2016-02-01 14:32:25 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2016-02-01 14:32:25 +0000 |
| commit | 4f1d62057fa4894e504458027ac3228404144f7d (patch) | |
| tree | df32667e5e3c487bc696920ab9a4a182df7b8a1b /gas/config | |
| parent | 655ed9ea1703173cb796070ed9843ea90bb74e58 (diff) | |
| download | gdb-4f1d62057fa4894e504458027ac3228404144f7d.zip gdb-4f1d62057fa4894e504458027ac3228404144f7d.tar.gz gdb-4f1d62057fa4894e504458027ac3228404144f7d.tar.bz2 | |
Fix a problem building the ARM assembler using LLVM.
PR target/19311
* config/tc-arm.c (encode_arm_immediate): Recode to improve
efficiency and avoid an LLVM loop optimization bug.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-arm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 4a16267..055e525 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -7268,7 +7268,10 @@ encode_arm_immediate (unsigned int val) { unsigned int a, i; - for (i = 0; i < 32; i += 2) + if (val <= 0xff) + return val; + + for (i = 2; i < 32; i += 2) if ((a = rotate_left (val, i)) <= 0xff) return a | (i << 7); /* 12-bit pack: [shift-cnt,const]. */ |