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| author | Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> | 2009-06-19 21:22:44 +0000 |
|---|---|---|
| committer | Ramana Radhakrishnan <ramana@gcc.gnu.org> | 2009-06-19 21:22:44 +0000 |
| commit | ce41c38bfcb5f4f45791fd13b52dcd687834c818 (patch) | |
| tree | 984352a3384c1c85751c41fc88bf7dca7027c364 /gcc | |
| parent | d130ae115657aa4e4c4dab6e56f3c08d44bcdfa8 (diff) | |
| download | gcc-ce41c38bfcb5f4f45791fd13b52dcd687834c818.zip gcc-ce41c38bfcb5f4f45791fd13b52dcd687834c818.tar.gz gcc-ce41c38bfcb5f4f45791fd13b52dcd687834c818.tar.bz2 | |
Fix PR 40482 2009-06-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Fix PR 40482
2009-06-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/40482
* config/arm/arm.c (thumb_shiftable_const): Truncate val to
32 bits.
* config/arm/arm.md: Likewise.
2009-06-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/40482
* gcc.target/arm/pr40482.c: New test.
From-SVN: r148728
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 1 | ||||
| -rw-r--r-- | gcc/config/arm/arm.md | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/pr40482.c | 7 |
5 files changed, 21 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6b76ed3..8de4e56 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2009-06-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/40482 + * config/arm/arm.c (thumb_shiftable_const): Truncate val to + 32 bits. + * config/arm/arm.md: Likewise. + 2009-06-19 Ian Lance Taylor <ian@airs.com> * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index a51cbb1..b629794 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -17515,6 +17515,7 @@ thumb_shiftable_const (unsigned HOST_WIDE_INT val) unsigned HOST_WIDE_INT mask = 0xff; int i; + val = val & (unsigned HOST_WIDE_INT)0xffffffffu; if (val == 0) /* XXX */ return 0; diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index fc2ce3c9..0f04e46 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -5166,7 +5166,7 @@ (set (match_dup 0) (ashift:SI (match_dup 0) (match_dup 2)))] " { - unsigned HOST_WIDE_INT val = INTVAL (operands[1]); + unsigned HOST_WIDE_INT val = INTVAL (operands[1]) & 0xffffffffu; unsigned HOST_WIDE_INT mask = 0xff; int i; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4a1a8d3..e7621a7 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-06-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/40482 + * gcc.target/arm/pr40482.c: New test. + 2009-06-19 Ian Lance Taylor <iant@google.com> * gcc.dg/Wcxx-compat-18.c: New testcase. diff --git a/gcc/testsuite/gcc.target/arm/pr40482.c b/gcc/testsuite/gcc.target/arm/pr40482.c new file mode 100644 index 0000000..4303a4f --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/pr40482.c @@ -0,0 +1,7 @@ +/* { dg-options "-mthumb -Os" } */ +/* { dg-final { scan-assembler-not "ldr" } } */ + +unsigned int foo (unsigned int i ) +{ + return i | 0xff000000; +} |