From 687950dcd4e71d2ca81bb6581655ce5694099404 Mon Sep 17 00:00:00 2001
From: Sebastian Schmidt <yath@yath.de>
Date: Mon, 30 Dec 2019 17:27:32 +0100
Subject: [PATCH] Fix MOVI.N immediate calculation

Reported by @edi1 in #1, thanks!
---
 data/languages/xtensa.sinc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/data/languages/xtensa.sinc b/data/languages/xtensa.sinc
index e225835..efe9420 100644
--- a/data/languages/xtensa.sinc
+++ b/data/languages/xtensa.sinc
@@ -147,8 +147,8 @@ s16_16.23_8.11: tmp is u4_8.11 & u8_16.23 [
 
 # An “asymmetric” immediate from -32..95, used by MOVI.N.
 n_s8_12.15_4.6_asymm: tmp is n_s3_4.6 & n_s4_12.15 [
-    tmp = ((((n_s3_4.6 >> 2) & 1) & ((n_s3_4.6 >> 3) & 1)) << 7) | # sign
-           (n_s3_4.6 << 4) | n_s4_12.15;
+    tmp = ((((n_s3_4.6 & 7) << 4) | (n_s4_12.15 & 15)) |
+          ((((n_s3_4.6 >> 2) & 1) & ((n_s3_4.6 >> 1) & 1)) << 7));
 ] { export *[const]:1 tmp; }
 
 # Immediates shifted or with offset.