diff options
| author | Adam Nemet <anemet@caviumnetworks.com> | 2009-06-23 00:31:44 +0000 |
|---|---|---|
| committer | Adam Nemet <nemet@gcc.gnu.org> | 2009-06-23 00:31:44 +0000 |
| commit | cfb8805e0fcee71ebffd091b62d36f035dfdf268 (patch) | |
| tree | d46472ddca93ece14de0df328dadde197dc3672b | |
| parent | 2fc61b4b324d9429d55459f845f514d24bf4e7fa (diff) | |
| download | gcc-cfb8805e0fcee71ebffd091b62d36f035dfdf268.zip gcc-cfb8805e0fcee71ebffd091b62d36f035dfdf268.tar.gz gcc-cfb8805e0fcee71ebffd091b62d36f035dfdf268.tar.bz2 | |
combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION check when calling force_to_mode on TRUNCATE's operand.
* combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
check when calling force_to_mode on TRUNCATE's operand.
testsuite/
* gcc.target/mips/truncate-3.c: New test.
From-SVN: r148827
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/combine.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/mips/truncate-3.c | 11 |
4 files changed, 21 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 59a4f35..2a28379 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2009-06-22 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION + check when calling force_to_mode on TRUNCATE's operand. + 2009-06-22 Ian Lance Taylor <iant@google.com> * config/rs6000/rs6000.opt: Move msched-epilog before diff --git a/gcc/combine.c b/gcc/combine.c index b7c4f1c..abe43b9 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -4889,9 +4889,7 @@ combine_simplify_rtx (rtx x, enum machine_mode op0_mode, int in_dest) if (GET_MODE_CLASS (mode) == MODE_PARTIAL_INT) break; - if (GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT - && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode), - GET_MODE_BITSIZE (GET_MODE (XEXP (x, 0))))) + if (GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT) SUBST (XEXP (x, 0), force_to_mode (XEXP (x, 0), GET_MODE (XEXP (x, 0)), GET_MODE_MASK (mode), 0)); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 59918e1..7dbb38f 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2009-06-22 Adam Nemet <anemet@caviumnetworks.com> + + * gcc.target/mips/truncate-3.c: New test. + 2009-06-22 Janus Weil <janus@gcc.gnu.org> PR fortran/37254 diff --git a/gcc/testsuite/gcc.target/mips/truncate-3.c b/gcc/testsuite/gcc.target/mips/truncate-3.c new file mode 100644 index 0000000..90f2c77 --- /dev/null +++ b/gcc/testsuite/gcc.target/mips/truncate-3.c @@ -0,0 +1,11 @@ +/* Remove redundant operations in truncate's operand. */ +/* { dg-options "-O -mgp64" } */ +/* { dg-final { scan-assembler-not "\tandi?\t" } } */ + +f (long long d) +{ + long long c = d & 0xffffffffff; + int i = (int) c; + g (i); +} + |