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| author | Stafford Horne <shorne@gmail.com> | 2019-06-13 21:27:10 +0900 |
|---|---|---|
| committer | Stafford Horne <shorne@gmail.com> | 2019-06-13 21:27:10 +0900 |
| commit | f1cc84f59441d59827748e47a5971a12ed1ac283 (patch) | |
| tree | 73518447b7142a480d01b43ceecd89504d84ff3b /sim | |
| parent | 688cea90bc0af3a0188695a25f5c4e8db4ef763b (diff) | |
| download | gdb-f1cc84f59441d59827748e47a5971a12ed1ac283.zip gdb-f1cc84f59441d59827748e47a5971a12ed1ac283.tar.gz gdb-f1cc84f59441d59827748e47a5971a12ed1ac283.tar.bz2 | |
sim/common: wire up new unordered comparisons
Define and wire up unordered floating point comparison operations for cgen
targets. This patch depends on my posted cgen patches[0].
[0] https://www.sourceware.org/ml/cgen/2019-q2/msg00013.html
sim/common/ChangeLog:
yyyy-mm-dd Stafford Horne <shorne@gmail.com>
* cgen-accfp.c (unorderedsf, unordereddf): New functions.
(cgen_init_accurate_fpu): Wire up unorderedsf and unordereddf.
* cgen-fpu.h (cgen_fp_ops): Define fields unorderedsf and unordereddf.
Diffstat (limited to 'sim')
| -rw-r--r-- | sim/common/ChangeLog | 6 | ||||
| -rw-r--r-- | sim/common/cgen-accfp.c | 25 | ||||
| -rw-r--r-- | sim/common/cgen-fpu.h | 2 |
3 files changed, 33 insertions, 0 deletions
diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog index 7b0e617..b84980b 100644 --- a/sim/common/ChangeLog +++ b/sim/common/ChangeLog @@ -1,5 +1,11 @@ 2019-06-13 Stafford Horne <shorne@gmail.com> + * cgen-accfp.c (unorderedsf, unordereddf): New functions. + (cgen_init_accurate_fpu): Wire up unorderedsf and unordereddf. + * cgen-fpu.h (cgen_fp_ops): Define fields unorderedsf and unordereddf. + +2019-06-13 Stafford Horne <shorne@gmail.com> + * cgen-accfp.c (floatdidf, fixdfdi): New functions. (cgen_init_accurate_fpu): Add floatdidf and fixdfdi. diff --git a/sim/common/cgen-accfp.c b/sim/common/cgen-accfp.c index 51f5a29..b898de3 100644 --- a/sim/common/cgen-accfp.c +++ b/sim/common/cgen-accfp.c @@ -303,6 +303,18 @@ gesf (CGEN_FPU* fpu, SF x, SF y) return sim_fpu_is_ge (&op1, &op2); } +static int +unorderedsf (CGEN_FPU* fpu, SF x, SF y) +{ + sim_fpu op1; + sim_fpu op2; + + sim_fpu_32to (&op1, x); + sim_fpu_32to (&op2, y); + return sim_fpu_is_nan (&op1) || sim_fpu_is_nan (&op2); +} + + static DF fextsfdf (CGEN_FPU* fpu, int how UNUSED, SF x) { @@ -703,6 +715,17 @@ gedf (CGEN_FPU* fpu, DF x, DF y) sim_fpu_64to (&op2, y); return sim_fpu_is_ge (&op1, &op2); } + +static int +unordereddf (CGEN_FPU* fpu, DF x, DF y) +{ + sim_fpu op1; + sim_fpu op2; + + sim_fpu_64to (&op1, x); + sim_fpu_64to (&op2, y); + return sim_fpu_is_nan (&op1) || sim_fpu_is_nan (&op2); +} /* Initialize FP_OPS to use accurate library. */ @@ -738,6 +761,7 @@ cgen_init_accurate_fpu (SIM_CPU* cpu, CGEN_FPU* fpu, CGEN_FPU_ERROR_FN* error) o->lesf = lesf; o->gtsf = gtsf; o->gesf = gesf; + o->unorderedsf = unorderedsf; o->adddf = adddf; o->subdf = subdf; @@ -757,6 +781,7 @@ cgen_init_accurate_fpu (SIM_CPU* cpu, CGEN_FPU* fpu, CGEN_FPU_ERROR_FN* error) o->ledf = ledf; o->gtdf = gtdf; o->gedf = gedf; + o->unordereddf = unordereddf; o->fextsfdf = fextsfdf; o->ftruncdfsf = ftruncdfsf; o->floatsisf = floatsisf; diff --git a/sim/common/cgen-fpu.h b/sim/common/cgen-fpu.h index 5f9b55d..cc5d356 100644 --- a/sim/common/cgen-fpu.h +++ b/sim/common/cgen-fpu.h @@ -87,6 +87,7 @@ struct cgen_fp_ops { int (*lesf) (CGEN_FPU*, SF, SF); int (*gtsf) (CGEN_FPU*, SF, SF); int (*gesf) (CGEN_FPU*, SF, SF); + int (*unorderedsf) (CGEN_FPU*, SF, SF); /* basic DF ops */ @@ -112,6 +113,7 @@ struct cgen_fp_ops { int (*ledf) (CGEN_FPU*, DF, DF); int (*gtdf) (CGEN_FPU*, DF, DF); int (*gedf) (CGEN_FPU*, DF, DF); + int (*unordereddf) (CGEN_FPU*, DF, DF); /* SF/DF conversion ops */ |