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WIP. Doesn't work.
[riscv-isa-sim.git]
/
riscv
/
insns
/
fsub_d.h
diff --git
a/riscv/insns/fsub_d.h
b/riscv/insns/fsub_d.h
index fcabe0e537849df5702edb1952b5c4a7c92f5134..1418a063d6ebc1a2925e0884e1faf3c94167f92d 100644
(file)
--- a/
riscv/insns/fsub_d.h
+++ b/
riscv/insns/fsub_d.h
@@
-1,4
+1,5
@@
+require_extension('D');
require_fp;
softfloat_roundingMode = RM;
require_fp;
softfloat_roundingMode = RM;
-
FRD = f64_mulAdd(FRS1, 0x3ff0000000000000ULL, FRS2 ^ (uint64_t)INT64_MIN
);
+
WRITE_FRD(f64_sub(f64(FRS1), f64(FRS2))
);
set_fp_exceptions;
set_fp_exceptions;