Handle CAST from fp-type to narrow integer types

Be explicit that the value is converted to int32 and then clamped to the
output type range.

Also remove use of apply_clip, replacing with either apply_clip_s or apply_clip_u

Signed-off-by: Eric Kunze <eric.kunze@arm.com>
Change-Id: I0efc7f4d653c1bef13c9989cfe2647208dad9617

1 files changed, 2 insertions, 2 deletions

diff --git a/pseudocode/operators/CAST.tosac b/pseudocode/operators/CAST.tosac
index 8d816ca..fac73e3 100644
--- a/pseudocode/operators/CAST.tosac
+++ b/pseudocode/operators/CAST.tosac
@@ -17,11 +17,11 @@ for_each(index in shape) {
     } else if (out_t == fp16_t || out_t == bf16_t || out_t == fp32_t) {
         out = round_to_nearest_float(in);
     } else if (in_t == fp16_t || in_t == bf16_t || in_t == fp32_t) {
-        out = apply_clip<out_t>(round_to_nearest_int(in), minimum<out_t>, maximum<out_t>);
+        out = truncate<out_t>(apply_clip_s<i32_t>(round_to_nearest_int(in), minimum<out_t>, maximum<out_t>));
     } else if (sizeof(out_t) >= sizeof(in_t)) {
         out = sign_extend<out_t>(in);
     } else {
-        out = truncate(in);
+        out = truncate<out_t>(in);
     }
     tensor_write<out_t>(output, shape, index, out);
 }