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| author | Andrew Cagney <cagney@redhat.com> | 1998-03-03 05:39:49 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1998-03-03 05:39:49 +0000 |
| commit | ca6f76d13558a4ae3935f309db6d4540114b6a14 (patch) | |
| tree | ee1d95cf7cebcc52a8b7bd8d0f011c6420725d50 /sim/mips/mips.igen | |
| parent | 3cdda79a7cf4730828844e8523e42373214423a4 (diff) | |
| download | gdb-ca6f76d13558a4ae3935f309db6d4540114b6a14.zip gdb-ca6f76d13558a4ae3935f309db6d4540114b6a14.tar.gz gdb-ca6f76d13558a4ae3935f309db6d4540114b6a14.tar.bz2 | |
Fix DIV, DIV1 (wrong check for overflow) and DIVU1 (shouldn't check
for overflow).
Pacify GCC.
Diffstat (limited to 'sim/mips/mips.igen')
| -rw-r--r-- | sim/mips/mips.igen | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen index 839ae7a..64a7c73 100644 --- a/sim/mips/mips.igen +++ b/sim/mips/mips.igen @@ -1,3 +1,5 @@ +// -*- C -*- +// // <insn> ::= // <insn-word> { "+" <insn-word> } // ":" <format-name> @@ -624,9 +626,10 @@ *tx19: // end-sanitize-tx19 { + /* this check's for overflow */ ALU64_BEGIN (GPR[RS]); ALU64_ADD (GPR[RT]); - ALU64_END (GPR[RT]); + ALU64_END (GPR[RD]); } @@ -787,7 +790,7 @@ LO = EXTEND32 (0x80000000); HI = EXTEND32 (0); } - else if (d == -1 && d == 0x80000000) + else if (n == SIGNED32 (0x80000000) && d == -1) { LO = EXTEND32 (0x80000000); HI = EXTEND32 (0); |