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| author | Claudiu Zissulescu <claziss@gmail.com> | 2020-01-27 14:51:03 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gmail.com> | 2020-01-27 14:51:03 +0200 |
| commit | f261388f1a9f8ee4abfefff32bdfe6046914b7f2 (patch) | |
| tree | 86957b7680cd0eaeb97d36f8220d9f31a90178fc | |
| parent | 82cd9a96ad06bdb60088aa2e76f8540a12459cb9 (diff) | |
| download | gcc-f261388f1a9f8ee4abfefff32bdfe6046914b7f2.zip gcc-f261388f1a9f8ee4abfefff32bdfe6046914b7f2.tar.gz gcc-f261388f1a9f8ee4abfefff32bdfe6046914b7f2.tar.bz2 | |
[ARC] Update ARC600 multiplication cost.
gcc/
xxxx-xx-xx Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.c (arc_rtx_costs): Update mul64 cost.
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/arc/arc.c | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d75d563..a7ad5fa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2020-01-27 Claudiu Zissulescu <claziss@synopsys.com> + * config/arc/arc.c (arc_rtx_costs): Update mul64 cost. + +2020-01-27 Claudiu Zissulescu <claziss@synopsys.com> + * config/arc/arc-protos.h (gen_mlo): Remove. (gen_mhi): Likewise. * config/arc/arc.c (AUX_MULHI): Define. diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c index a1f863f..bc34235 100644 --- a/gcc/config/arc/arc.c +++ b/gcc/config/arc/arc.c @@ -5877,6 +5877,12 @@ arc_rtx_costs (rtx x, machine_mode mode, int outer_code, nolimm = true; if (satisfies_constraint_Clo (x)) nolimm = true; + break; + case MULT: + if (TARGET_MUL64_SET) + if (SIGNED_INT12 (INTVAL (x))) + nolimm = true; + break; default: break; } |