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| author | Andreas Schwab <schwab@linux-m68k.org> | 2018-07-17 18:42:42 +0000 |
|---|---|---|
| committer | Andreas Schwab <schwab@gcc.gnu.org> | 2018-07-17 18:42:42 +0000 |
| commit | 0d7afd5d27bd51ec843a5fb78046c12ca4b9796f (patch) | |
| tree | fbc295be8a426a5f438b28267c3c604ceaa61d7d /gcc | |
| parent | a7385f1c0eb0986f7d6bc68ea3f26e5a96f50c80 (diff) | |
| download | gcc-0d7afd5d27bd51ec843a5fb78046c12ca4b9796f.zip gcc-0d7afd5d27bd51ec843a5fb78046c12ca4b9796f.tar.gz gcc-0d7afd5d27bd51ec843a5fb78046c12ca4b9796f.tar.bz2 | |
Fix invalid cc_status after [const_][us]mulsi3_highpart
* config/m68k/m68k.md (umulsi3_highpart+1, const_umulsi3_highpart)
(smulsi3_highpart+1, const_smulsi3_highpart): Add CC_STATUS_INIT.
testsuite/:
* gcc.target/m68k/mulsi_highpart.c: New test.
From-SVN: r262835
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/m68k/m68k.md | 20 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/m68k/mulsi_highpart.c | 8 |
4 files changed, 33 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 27f8a72..2e72421 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-07-17 Andreas Schwab <schwab@linux-m68k.org> + + * config/m68k/m68k.md (umulsi3_highpart+1, const_umulsi3_highpart) + (smulsi3_highpart+1, const_smulsi3_highpart): Add CC_STATUS_INIT. + 2018-07-17 Claudiu Zissulescu <claziss@synopsys.com> * config/arc/arc.c (arc_label_align): Use align_labels instead of diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md index a28e3cd..88335cd 100644 --- a/gcc/config/m68k/m68k.md +++ b/gcc/config/m68k/m68k.md @@ -3240,7 +3240,10 @@ (const_int 32)))) (clobber (match_operand:SI 1 "register_operand" "=d"))] "TARGET_68020 && !TUNE_68060 && !TARGET_COLDFIRE" - "mulu%.l %3,%0:%1") +{ + CC_STATUS_INIT; + return "mulu%.l %3,%0:%1"; +}) (define_insn "const_umulsi3_highpart" [(set (match_operand:SI 0 "register_operand" "=d") @@ -3251,7 +3254,10 @@ (const_int 32)))) (clobber (match_operand:SI 1 "register_operand" "=d"))] "TARGET_68020 && !TUNE_68060 && !TARGET_COLDFIRE" - "mulu%.l %3,%0:%1") +{ + CC_STATUS_INIT; + return "mulu%.l %3,%0:%1"; +}) (define_expand "smulsi3_highpart" [(parallel @@ -3283,7 +3289,10 @@ (const_int 32)))) (clobber (match_operand:SI 1 "register_operand" "=d"))] "TARGET_68020 && !TUNE_68060 && !TARGET_COLDFIRE" - "muls%.l %3,%0:%1") +{ + CC_STATUS_INIT; + return "muls%.l %3,%0:%1"; +}) (define_insn "const_smulsi3_highpart" [(set (match_operand:SI 0 "register_operand" "=d") @@ -3294,7 +3303,10 @@ (const_int 32)))) (clobber (match_operand:SI 1 "register_operand" "=d"))] "TARGET_68020 && !TUNE_68060 && !TARGET_COLDFIRE" - "muls%.l %3,%0:%1") +{ + CC_STATUS_INIT; + return "muls%.l %3,%0:%1"; +}) (define_expand "mul<mode>3" [(set (match_operand:FP 0 "nonimmediate_operand" "") diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 11936ee..b099439 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2018-07-17 Andreas Schwab <schwab@linux-m68k.org> + + * gcc.target/m68k/mulsi_highpart.c: New test. + 2018-07-17 Jakub Jelinek <jakub@redhat.com> * gcc.dg/cpp/pr61854-c90.c (foo): Expect a note, rather than error. diff --git a/gcc/testsuite/gcc.target/m68k/mulsi_highpart.c b/gcc/testsuite/gcc.target/m68k/mulsi_highpart.c new file mode 100644 index 0000000..f17586e --- /dev/null +++ b/gcc/testsuite/gcc.target/m68k/mulsi_highpart.c @@ -0,0 +1,8 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -m68020" } */ +/* Don't optimize away a compare after [us]mulsi_highpart. */ +/* { dg-final { scan-assembler {tst\.?l} } } */ +int cmp (unsigned int a, unsigned int b) +{ + return (a > 0xffffffff / b); +} |