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[RFC,v2,13/67] Hexagon register map

Message ID 1582908244-304-14-git-send-email-tsimpson@quicinc.com (mailing list archive)
State New, archived
Headers show
Series Hexagon patch series | expand

Commit Message

Taylor Simpson Feb. 28, 2020, 4:43 p.m. UTC 
Certain operand types represent a non-contiguous set of values.
For example, the compound compare-and-jump instruction can only access
registers R0-R7 and R16-23.
This table represents the mapping from the encoding to the actual values.

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
---
 target/hexagon/regmap.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 target/hexagon/regmap.h
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Patch

diff --git a/target/hexagon/regmap.h b/target/hexagon/regmap.h
new file mode 100644
index 0000000..2bcc0de
--- /dev/null
+++ b/target/hexagon/regmap.h
@@ -0,0 +1,38 @@ 
+/*
+ *  Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ *  Certain operand types represent a non-contiguous set of values.
+ *  For example, the compound compare-and-jump instruction can only access
+ *  registers R0-R7 and R16-23.
+ *  This table represents the mapping from the encoding to the actual values.
+ */
+
+#ifndef HEXAGON_REGMAP_H
+#define HEXAGON_REGMAP_H
+
+        /* Name   Num Table */
+DEF_REGMAP(R_16,  16, 0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 18, 19, 20, 21, 22, 23)
+DEF_REGMAP(R__8,  8,  0, 2, 4, 6, 16, 18, 20, 22)
+DEF_REGMAP(R__4,  4,  0, 2, 4, 6)
+DEF_REGMAP(R_4,   4,  0, 1, 2, 3)
+DEF_REGMAP(R_8S,  8,  0, 1, 2, 3, 16, 17, 18, 19)
+DEF_REGMAP(R_8,   8,  0, 1, 2, 3, 4, 5, 6, 7)
+DEF_REGMAP(V__8,  8,  0, 4, 8, 12, 16, 20, 24, 28)
+DEF_REGMAP(V__16, 16, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30)
+
+#endif