Merge pull request #156 from p12nGH/noncontiguous_harts

[riscv-isa-sim.git] / riscv / insns / fmax_s.h

diff --git a/riscv/insns/fmax_s.h b/riscv/insns/fmax_s.h
index 8df665f8dc84f4458f59db6255fa158284087097..41d8f921fdec4eba9eb7f42cb4a58597ae6d6c87 100644 (file)
--- a/riscv/insns/fmax_s.h
+++ b/riscv/insns/fmax_s.h
@@ -1,4 +1,9 @@
+require_extension('F');
 require_fp;
-FRD = isNaNF32UI(FRS2) || f32_le_quiet(FRS2,FRS1) /* && FRS1 not NaN */
-      ? FRS1 : FRS2;
+bool greater = f32_lt_quiet(f32(FRS2), f32(FRS1)) ||
+               (f32_eq(f32(FRS2), f32(FRS1)) && (f32(FRS2).v & F32_SIGN));
+if (isNaNF32UI(f32(FRS1).v) && isNaNF32UI(f32(FRS2).v))
+  WRITE_FRD(f32(defaultNaNF32UI));
+else
+  WRITE_FRD(greater || isNaNF32UI(f32(FRS2).v) ? FRS1 : FRS2);
 set_fp_exceptions;