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24 Commits

Author SHA1 Message Date
Nick Clifton
be07a3d39e * am33.igen (sub Rm,Rn,Rd): Fix computation of carry flag. 2011-06-20 16:50:51 +00:00
Alexandre Oliva
c76b4bab30 2000-08-07 Graham Stott <grahams@cygnus.co.uk> 
* am33-2.igen (fmadd, fmsub, fmnadd, fmnsub): Correct typo.
2000-05-29  Alexandre Oliva  <aoliva@cygnus.com>
* interp.c (fpu_disabled_exception, fpu_unimp_exception,
fpu_check_signal_exception): Take additional state arguments.
Print exception type and call program_interrupt.  Adjust callers.
(fpu_rsqrt, fpu_cmp, fpu_add, fpu_sub, fpu_mul, fpu_div,
fpu_fmadd, fpu_fmsub, fpu_fnmadd, fpu_fnmsub): Take additional
arguments.
* mn10300_sim.h (fpu_disabled_exception, fpu_unimp_exception,
fpu_check_signal_exception): Adjust prototypes.
(fpu_rsqrt, fpu_cmp, fpu_add, fpu_sub, fpu_mul, fpu_div,
fpu_fmadd, fpu_fmsub, fpu_fnmadd, fpu_fnmsub): Likewise.
* am33-2.igen: Adjust calls.
2000-05-19  Alexandre Oliva  <aoliva@cygnus.com>
* op_utils.c (cmp2fcc): Moved...
* interp.c: ... here.
2000-05-18  Alexandre Oliva  <aoliva@cygnus.com>
* am33-2.igen: Use `unsigned32', `signed32', `unsigned64' or
`signed64' where type width is relevant.
2000-05-15  Alexandre Oliva  <aoliva@cygnus.com>
* mn10300_sim.h: Include sim-fpu.h.
(FD2FPU, FPU2FD): Enclose the FD argument in parentheses.
(fpu_check_signal_exception): Declare.
(struct fp_prec_t, fp_single_prec, fp_double_prec): Likewise.
(FP_SINGLE, FP_DOUBLE): Shorthands for fp_*_prec.
(fpu_rsqrt, fpu_cmp, fpu_add, fpu_sub, fpu_mul, fpu_div,
fpu_fmadd, fpu_fmsub, fpu_fnmadd, fpu_fnmsub): Declare.
* interp.c (fpu_disabled_exception): Document.
(fpu_unimp_exception): Likewise.
(fpu_check_signal_exception): Define.
(reg2val_32, round_32, val2reg_32, fp_single_prec): Likewise.
(reg2val_64, round_64, val2reg_64, fp_double_prec): Likewise.
(REG2VAL, ROUND, VAL2REG): Define shorthands.
(fpu_status_ok): Define.
(fpu_rsqrt, fpu_cmp, fpu_add, fpu_sub, fpu_mul, fpu_div,
fpu_fmadd, fpu_fmsub, fpu_fnmadd, fpu_fnmsub): Define.
* am33-2.igen (frsqrt, fcmp, fadd, fsub, fmul, fdiv,
fmadd, fmsub, fnmadd, fnmsub): Use new functions.
2000-04-27  Alexandre Oliva  <aoliva@cygnus.com>
* interp.c (sim_create_inferior): Set PSW bit to enable FP insns
if architecture is AM33/2.0.
* am33.igen: Include am33-2.igen.
2000-04-23  Alexandre Oliva  <aoliva@cygnus.com>
* mn10300.igen (movm, call, ret, retf): Check for am33_2 too.
* am33.igen (movm): Likewise.
2000-04-19  Alexandre Oliva  <aoliva@cygnus.com>
* am33.igen: Added `*am33_2' to some instructions that were
missing it.
2000-04-07  Alexandre Oliva  <aoliva@cygnus.com>
* am33-2.igen: New file.  All insns implemented, but FP flags are
only set for fcmp, exceptional conditions are not handled yet.
* Makefile.in (IGEN_INSN): Added am33-2.igen.
(tmp-igen): Added -M am33_2.
* mn10300.igen, am33.igen: Added `*am33_2' to all insns.
* gencode.c: Support FMT_D3.
* mn10300_sim.h (dword): New type.
(struct _state): Added fpregs.
(REG_FPCR, FPCR): New define.  All assorted bitmaps.
(XS2FS, AS2FS, Xf2FD): New macros.
(FS2FPU, FD2FPU, FPU2FS, FPU2FD): Likewise.
(load_dword, store_dword): New functions or macros.
(u642dw, dw2u64): New functions.
(fpu_disabled_exception, fpu_unimp_exception): Declared.
* interp.c (fpu_disabled_exception): Defined; no actual
implementation.
(fpu_unimp_exception): Likewise.
* op_utils.c (cmp2fcc): New function.
 2004-06-26 22:18:18 +00:00
Andrew Cagney
dbd7cd63b9 Index: common/ChangeLog 
2003-02-26  Andrew Cagney  <cagney@redhat.com>

	* sim-engine.h (sim_engine_abort): Add noreturn attribute.
	(sim_engine_vabort): Ditto.
	(sim_engine_halt, sim_engine_restart): Ditto.

Index: mn10300/ChangeLog
2003-02-26  Andrew Cagney  <cagney@redhat.com>

	* am33.igen: Call sim_engine_abort instead of abort.
 2003-02-26 23:27:09 +00:00
Alexandre Oliva
5425ca992e * am33.igen: Warning clean-up. 
(movm): Initialize PC and mask.
(mov, movbu, movhu): Set srcreg2 from RI0.
(bsch): Initialize c.
(sat16_cmp): Actually do the comparison.
(mov_llt): Do not overwrite dstreg with uninitialized variable.
 2000-08-09 18:42:04 +00:00
Nick Clifton
ceec355905 minor formatting tweaks to aid syncronisation 2000-05-29 19:05:41 +00:00
Alexandre Oliva
e33c036475 * am33.igen: Fix leading comments of SP-relative offset insns that 
referred to other registers.  Make their offsets unsigned.
 2000-05-22 20:34:09 +00:00
Alexandre Oliva
24a39d88a2 * mn10300_sim.h (genericAdd, genericSub, genericCmp, genericOr, 
genericXor, genericBtst): Use `unsigned32'.
* op_utils.c: Likewise.
* mn10300.igen, am33.igen: Use `unsigned32', `signed32',
`unsigned64' or `signed64' where type width is relevant.
 2000-05-18 22:56:28 +00:00
Alexandre Oliva
bfa8561f01 * am33.igen (inc4 Rn): Use genericAdd so as to modify flags. 2000-04-25 09:48:40 +00:00
Alexandre Oliva
d8e7020fd6 * am33.igen: Make SP-relative offsets unsigned. Add `*am33' for 
some instructions that were missing it.
 2000-04-09 09:04:54 +00:00
Jason Molenda
c2d11a7da0 import gdb-1999-12-06 snapshot 1999-12-07 03:56:43 +00:00
Stan Shebs
071ea11e85 Initial creation of sourceware repository 1999-04-16 01:34:07 +00:00
Jeff Law
3e20223154 * am33.igen: Detect cases where two operands must not match in 
non-DSP instructions.
 1998-07-27 18:05:43 +00:00
Jeff Law
6d254a2d5f * am33.igen (translate_xreg): New function. Use it as needed. 1998-07-24 18:50:12 +00:00
Jeff Law
4b6651c925 * am33.igen: Add some missing instructions. 
Missed a few last week... Grrr.
 1998-07-23 16:31:41 +00:00
Jeff Law
6ae1456eb5 * am33.igen: Autoincrement loads/store fixes. 1998-07-23 16:06:50 +00:00
Jeff Law
0a78550778 * am33.igen: Add most am33 DSP instructions. 1998-07-21 15:50:14 +00:00
Jeff Law
080ee2ba75 * am33.igen: Fix Z bit for remaining addc/subc instructions. 
Do not sign extend immediate for mov imm,XRn.
        More random mul, mac & div fixes.
        Remove some unused variables.
        Sign extend 24bit displacement in memory addresses.
Whee, more fixes.
 1998-07-09 19:41:47 +00:00
Jeff Law
4e86afb85f * mn10300.igen: Fix Z bit for addc and subc instructions. 
Minor fixes in multiply/divide patterns.

start-sanitize-am33
        * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
        fixes to 2 register multiply, divide and mac instructions.  Set
        Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
        and sub instructions.

        * am33.igen: Add remaining non-DSP instructions.
end-sanitize-am33
 1998-07-09 19:04:22 +00:00
Jeff Law
1f0ba346eb * am33.igen: Add remaining non-DSP instructions. 
Lots of work still remains.  PSW handing is probably broken badly and the
mul/mac classes of instructions are probably not handled correctly.
 1998-07-09 16:09:24 +00:00
Jeff Law
9c55817e66 * am33.igen (translate_rreg): New function. Use it as appropriate. 1998-07-09 00:24:57 +00:00
Jeff Law
377e53bb6b * am33.igen: More am33 instructions. Fix "div". 1998-07-08 22:33:35 +00:00
Jeff Law
3e75ff7efd * am33.igen: Add many more am33 instructions. 1998-07-06 21:41:06 +00:00
Jeff Law
ee61616c43 Tweak. 1998-07-01 23:15:55 +00:00
Jeff Law
0f7d73858c * am33.igen: New file with some am33 support. 
Checking in work-to-date.
 1998-07-01 23:13:14 +00:00