[patch] Simulator support for MIPS32 DSP ASE

Chao-ying Fu fu@mips.com
Mon Aug 8 21:59:00 GMT 2005


Hello,

  Here is the sim patch for MIPS32 DSP ASE.  The patch includes
the simulator support and new tests for DSP instructions.  I test with
two configurations.  No new regressions.

1.
Test Run By fu on Mon Aug  8 14:11:50 2005
Target is mipsisa32-unknown-elf
Host   is i686-pc-linux-gnu
                === sim tests ===
Schedule of variations:
    mips-sim
                === sim Summary ===
# of expected passes            22
/home/sweng_scratrch1/gcc-mainline/buildorg/sim/mips/run 0.5

2.
Test Run By fu on Mon Aug  8 14:15:26 2005
Target is mipsisa64-unknown-elf
Host   is i686-pc-linux-gnu
                === sim tests ===
Schedule of variations:
    mips-sim
                === sim Summary ===
# of expected passes            45
# of unexpected failures        1
/home/sweng_scratrch1/gcc-mainline/build64/sim/mips/run 0.5

  Could any maintainers review the patch?  Thanks a lot!

Regards,
Chao-ying

sim/mips/ChangeLog
2005-08-08  Chao-ying Fu  <fu@mips.com>

    * Makefile.in (SIM_OBJS): Add dsp.o.
    (dsp.o): New dependency.
    (IGEN_INCLUDE): Add dsp.igen.
    * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
    mipsisa64*-*-*): Add dsp to sim_igen_machine.
    * configure: Regenerate.
    * mips.igen: Add dsp model and include dsp.igen.
    (MFHI, MFLO, MTHI, MTLO): Remove *mips32, *mips32r2, *mips64,
    *mips64r2, because these instructions are extended in DSP ASE.
    * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
    adding 6 DSP accumulator registers and 1 DSP control register.
    (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
    AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
    DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
    DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
    DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
    DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
    DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
    DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
    DSPCR_CCOND_SMASK): New define.
    (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
    * dsp.c, dsp.igen: New files for MIPS DSP ASE.

sim/testsuite/sim/mips/ChangeLog
2005-08-08  Chao-ying Fu  <fu@mips.com>

    * basic.exp: Run new the dsp test.
    * utils-dsp.inc: New file.
    * mips32-dsp.s: New test.
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