diff options
author | Nick Clifton <nickc@redhat.com> | 2003-04-06 08:51:04 +0000 |
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committer | Nick Clifton <nickc@redhat.com> | 2003-04-06 08:51:04 +0000 |
commit | e6bef148b7db4b0d26bcff861c7a54f6c90b265a (patch) | |
tree | 811aecf96765ed7146452a29bb55f3bea3f83c86 /sim | |
parent | a47458d47f8f3b8bc6821f45e3bf78594bc3dfb7 (diff) | |
download | gdb-e6bef148b7db4b0d26bcff861c7a54f6c90b265a.tar.gz |
* simops.c (OP_40): Delete. Move code to...
* v850-igen.c (): ...Here. Sign extend the first operand.
* simops.h (OP_40): Remove prototype.
Diffstat (limited to 'sim')
-rw-r--r-- | sim/v850/ChangeLog | 6 | ||||
-rw-r--r-- | sim/v850/simops.c | 44 | ||||
-rw-r--r-- | sim/v850/simops.h | 1 | ||||
-rw-r--r-- | sim/v850/v850.igen | 43 |
4 files changed, 48 insertions, 46 deletions
diff --git a/sim/v850/ChangeLog b/sim/v850/ChangeLog index 9dcfd052785..134f0fdcc6f 100644 --- a/sim/v850/ChangeLog +++ b/sim/v850/ChangeLog @@ -1,3 +1,9 @@ +2003-04-06 Nick Clifton <nickc@redhat.com> + + * simops.c (OP_40): Delete. Move code to: + * v850-igen.c (): Here. Sign extend the first operand. + * simops.h (OP_40): Remove prototype. + 2003-02-27 Andrew Cagney <cagney@redhat.com> * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd. diff --git a/sim/v850/simops.c b/sim/v850/simops.c index fd0172ead78..87868f5b748 100644 --- a/sim/v850/simops.c +++ b/sim/v850/simops.c @@ -771,50 +771,6 @@ OP_6E0 () return 4; } -/* divh reg1, reg2 */ -int -OP_40 () -{ - unsigned int op0, op1, result, ov, s, z; - int temp; - - trace_input ("divh", OP_REG_REG, 0); - - /* Compute the result. */ - temp = EXTEND16 (State.regs[ OP[0] ]); - op0 = temp; - op1 = State.regs[OP[1]]; - - if (op0 == 0xffffffff && op1 == 0x80000000) - { - result = 0x80000000; - ov = 1; - } - else if (op0 != 0) - { - result = op1 / op0; - ov = 0; - } - else - { - result = 0x0; - ov = 1; - } - - /* Compute the condition codes. */ - z = (result == 0); - s = (result & 0x80000000); - - /* Store the result and condition codes. */ - State.regs[OP[1]] = result; - PSW &= ~(PSW_Z | PSW_S | PSW_OV); - PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) - | (ov ? PSW_OV : 0)); - trace_output (OP_REG_REG); - - return 2; -} - /* cmp reg, reg */ int OP_1E0 () diff --git a/sim/v850/simops.h b/sim/v850/simops.h index d4c0792bf5e..750fb700e47 100644 --- a/sim/v850/simops.h +++ b/sim/v850/simops.h @@ -17,7 +17,6 @@ int OP_180 (void); int OP_E0 (void); int OP_2E0 (void); int OP_6E0 (void); -int OP_40 (void); int OP_1E0 (void); int OP_260 (void); int OP_7E0 (void); diff --git a/sim/v850/v850.igen b/sim/v850/v850.igen index 0a4c08a30f0..3f14957965a 100644 --- a/sim/v850/v850.igen +++ b/sim/v850/v850.igen @@ -332,7 +332,48 @@ rrrrr,111111,RRRRR + wwwww,01011000000:XI:::div rrrrr!0,000010,RRRRR!0:I:::divh "divh r<reg1>, r<reg2>" { - COMPAT_1 (OP_40 ()); + unsigned32 ov, s, z; + signed long int op0, op1, result; + + trace_input ("divh", OP_REG_REG, 0); + + PC = cia; + OP[0] = instruction_0 & 0x1f; + OP[1] = (instruction_0 >> 11) & 0x1f; + + /* Compute the result. */ + op0 = EXTEND16 (State.regs[OP[0]]); + op1 = State.regs[OP[1]]; + + if (op0 == 0xffffffff && op1 == 0x80000000) + { + result = 0x80000000; + ov = 1; + } + else if (op0 != 0) + { + result = op1 / op0; + ov = 0; + } + else + { + result = 0x0; + ov = 1; + } + + /* Compute the condition codes. */ + z = (result == 0); + s = (result & 0x80000000); + + /* Store the result and condition codes. */ + State.regs[OP[1]] = result; + PSW &= ~(PSW_Z | PSW_S | PSW_OV); + PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | (ov ? PSW_OV : 0)); + + trace_output (OP_REG_REG); + + PC += 2; + nia = PC; } rrrrr,111111,RRRRR + wwwww,01010000000:XI:::divh |