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| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-06-04 06:52:17 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-06-04 06:52:17 +0000 |
| commit | 8877d71a364fccd5906ab847e78e8244d30b3d9a (patch) | |
| tree | be14a3bf22a53b73725aac6854d2bfd28e23731e /gcc/testsuite/gcc.dg | |
| parent | 7872a8f0b1373ac91b66309a2d7641cc4b2bffdf (diff) | |
| download | gcc-8877d71a364fccd5906ab847e78e8244d30b3d9a.tar.gz | |
PR optimization/10876
* config/sparc/sparc.h (CONST_OK_FOR_LETTER): Add
new 'O' constraint for constant 4096.
(CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
* config/sparc/sparc.md (adddi3 expander): Canonicalize pattern.
Do not transform into MINUS insn for constant 4096.
(*adddi3_sp64 insn): Canonicalize pattern. Add new alternative
for constant 4096 as third operand.
(addsi3 expander): Remove.
(*addsi3 insn): Rename into 'addsi3'. Canonicalize pattern. Add
new alternative for constant 4096 as third operand.
(subdi3 expander): Do not transform into PLUS insn for constant 4096.
(*subdi3_sp64 insn): Add new alternative for constant 4096 as third
operand.
(subsi3 expander): Remove.
(*subsi3 insn): Rename into 'subsi3'. Add new alternative for
constant 4096 as third operand.
* doc/md.texi (Machine Constraints): Document new 'O' constraint for
the SPARC port.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67426 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg')
| -rw-r--r-- | gcc/testsuite/gcc.dg/sparc-constant-1.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/sparc-constant-1.c b/gcc/testsuite/gcc.dg/sparc-constant-1.c new file mode 100644 index 00000000000..bb4b1bce4f8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/sparc-constant-1.c @@ -0,0 +1,12 @@ +/* PR optimization/10876 */ +/* { dg-do compile { target sparc*-*-* } } */ + +/* Verify that adding the constant 4096 is turned + into substracting the constant -4096. */ + +int foo(int a) +{ + return a+4096; +} + +/* { dg-final { scan-assembler "sub" } } */ |