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| author | Jeff Law <law@redhat.com> | 2017-04-18 22:52:54 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2017-04-18 22:52:54 -0600 |
| commit | d904a98328774c6df5d0aa6e2940b749dc36b12c (patch) | |
| tree | e4d111ca9e9114d438f2ce2b87bce5d33ad3a700 /gcc | |
| parent | 90e87d4f1a7b2d91dae78385485ccb74d19d08e2 (diff) | |
| download | gcc-d904a98328774c6df5d0aa6e2940b749dc36b12c.zip gcc-d904a98328774c6df5d0aa6e2940b749dc36b12c.tar.gz gcc-d904a98328774c6df5d0aa6e2940b749dc36b12c.tar.bz2 | |
re PR target/74563 (Classic MIPS16 (non-MIPS16e) function return broken)
PR target/74563
* mips.md ({return,simple_return}_internal): Do not overwrite
operands[0].
PR target/74563
* gcc.target/mips/pr74563: New test.
From-SVN: r246987
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/mips/mips.md | 1 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/mips/pr74563.c | 14 |
4 files changed, 25 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ea44ddb..7aa8c03 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-04-18 Jeff Law <law@redhat.com> + + PR target/74563 + * mips.md ({return,simple_return}_internal): Do not overwrite + operands[0]. + 2017-04-18 Jakub Jelinek <jakub@redhat.com> PR tree-optimization/80443 diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index 7acf00d..28e0a44 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -6585,7 +6585,6 @@ (use (match_operand 0 "pmode_register_operand" ""))] "" { - operands[0] = gen_rtx_REG (Pmode, RETURN_ADDR_REGNUM); return mips_output_jump (operands, 0, -1, false); } [(set_attr "type" "jump") diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 11410bb..c21e373 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-04-18 Jeff Law <law@redhat.com> + + PR target/74563 + * gcc.target/mips/pr74563: New test. + 2017-04-18 Jakub Jelinek <jakub@redhat.com> PR tree-optimization/80443 diff --git a/gcc/testsuite/gcc.target/mips/pr74563.c b/gcc/testsuite/gcc.target/mips/pr74563.c new file mode 100644 index 0000000..09545fc --- /dev/null +++ b/gcc/testsuite/gcc.target/mips/pr74563.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-options "-mips3 -mips16 -msoft-float" } */ + +void f2(void); + +void f1(void) +{ + f2(); +} + +/* { dg-final { scan-assembler-not "\tjr\t\\\$31" } } */ +/* { dg-final { scan-assembler "\tjr\t\\\$7" } } */ + + |