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| author | Andrew Waterman <waterman@cs.berkeley.edu> | 2014-10-26 19:38:24 -0700 |
|---|---|---|
| committer | Andrew Waterman <waterman@cs.berkeley.edu> | 2014-10-26 19:38:24 -0700 |
| commit | 6d45e8de32cce54e3cc6688545e58da5a9aaead7 (patch) | |
| tree | 1ff9b438247fbc3a31a013cc5440051b5c0e6006 /pk | |
| parent | fda0d85ae4596262d1da642593676e0f3cf3f0f1 (diff) | |
| download | pk-6d45e8de32cce54e3cc6688545e58da5a9aaead7.zip pk-6d45e8de32cce54e3cc6688545e58da5a9aaead7.tar.gz pk-6d45e8de32cce54e3cc6688545e58da5a9aaead7.tar.bz2 | |
Prioritize fdiv/fsqrt emulation
Diffstat (limited to 'pk')
| -rw-r--r-- | pk/fp.c | 18 |
1 files changed, 9 insertions, 9 deletions
@@ -68,7 +68,15 @@ int emulate_fp(trapframe_t* tf) do { do_writeback = 1; writeback_dp = (dp); writeback_value = (value); } \ while(0) - if(IS_INSN(FLW)) + if(IS_INSN(FDIV_S)) + DO_WRITEBACK(0, f32_div(frs1s, frs2s)); + else if(IS_INSN(FDIV_D)) + DO_WRITEBACK(1, f64_div(frs1d, frs2d)); + else if(IS_INSN(FSQRT_S)) + DO_WRITEBACK(0, f32_sqrt(frs1s)); + else if(IS_INSN(FSQRT_D)) + DO_WRITEBACK(1, f64_sqrt(frs1d)); + else if(IS_INSN(FLW)) { validate_address(tf, effective_address_load, 4, 0); DO_WRITEBACK(0, *(uint32_t*)effective_address_load); @@ -168,14 +176,6 @@ int emulate_fp(trapframe_t* tf) DO_WRITEBACK(0, f32_mulAdd(frs1s, frs2s, frs3s ^ (uint32_t)INT32_MIN) ^ (uint32_t)INT32_MIN); else if(IS_INSN(FNMSUB_D)) DO_WRITEBACK(1, f64_mulAdd(frs1d, frs2d, frs3d ^ INT64_MIN) ^ INT64_MIN); - else if(IS_INSN(FDIV_S)) - DO_WRITEBACK(0, f32_div(frs1s, frs2s)); - else if(IS_INSN(FDIV_D)) - DO_WRITEBACK(1, f64_div(frs1d, frs2d)); - else if(IS_INSN(FSQRT_S)) - DO_WRITEBACK(0, f32_sqrt(frs1s)); - else if(IS_INSN(FSQRT_D)) - DO_WRITEBACK(1, f64_sqrt(frs1d)); else if(IS_INSN(FCVT_W_S)) XRDR = f32_to_i32(frs1s, softfloat_roundingMode, true); else if(IS_INSN(FCVT_W_D)) |