diff options
| author | Jeff Law <law@redhat.com> | 2018-11-14 09:36:19 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2018-11-14 09:36:19 -0700 |
| commit | c933b893537f9d73a73ea70c551bdfca363ff5d8 (patch) | |
| tree | 8345e33d0bb50e0a0ea7a6855708b64db6725a22 /gcc | |
| parent | ff361cc65f8e90aa77884c93d77e592cc470d6b7 (diff) | |
| download | gcc-c933b893537f9d73a73ea70c551bdfca363ff5d8.zip gcc-c933b893537f9d73a73ea70c551bdfca363ff5d8.tar.gz gcc-c933b893537f9d73a73ea70c551bdfca363ff5d8.tar.bz2 | |
optabs.c (expand_binop): Pass INT_MODE to operand_subword_force iff the operand is a constant.
* optabs.c (expand_binop): Pass INT_MODE to operand_subword_force
iff the operand is a constant.
* gcc.c-torture/compile/20181114.c: New test.
2018-11-14 Ilya Leoshkevich <iii@linux.ibm.com>
From-SVN: r266151
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/optabs.c | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20181114-1.c | 6 |
4 files changed, 19 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3efd96b..be75c68 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-11-14 Jeff Law <law@redhat.com> + + * optabs.c (expand_binop): Pass INT_MODE to operand_subword_force + iff the operand is a constant. + 2018-11-14 Aldy Hernandez <aldyh@redhat.com> * gimple-ssa-evrp-analyze.c diff --git a/gcc/optabs.c b/gcc/optabs.c index 6052222..c7d1f22 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -1377,12 +1377,14 @@ expand_binop (machine_mode mode, optab binoptab, rtx op0, rtx op1, start_sequence (); /* Do the actual arithmetic. */ + enum machine_mode op0_mode = CONSTANT_P (op0) ? int_mode : VOIDmode; + enum machine_mode op1_mode = CONSTANT_P (op1) ? int_mode : VOIDmode; for (i = 0; i < GET_MODE_BITSIZE (int_mode) / BITS_PER_WORD; i++) { rtx target_piece = operand_subword (target, i, 1, int_mode); rtx x = expand_binop (word_mode, binoptab, - operand_subword_force (op0, i, int_mode), - operand_subword_force (op1, i, int_mode), + operand_subword_force (op0, i, op0_mode), + operand_subword_force (op1, i, op1_mode), target_piece, unsignedp, next_methods); if (x == 0) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 50e53f0..cee3379 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2018-11-14 Jeff Law <law@redhat.com> + + * gcc.c-torture/compile/20181114.c: New test. + 2018-11-14 Richard Biener <rguenther@suse.de> PR middle-end/87985 diff --git a/gcc/testsuite/gcc.c-torture/compile/20181114-1.c b/gcc/testsuite/gcc.c-torture/compile/20181114-1.c new file mode 100644 index 0000000..9bcc399 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20181114-1.c @@ -0,0 +1,6 @@ +int +_vfprintf_r (double fp) +{ + if (__builtin_signbit (fp)) + return '-'; +} |