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authorTaylor Simpson <tsimpson@quicinc.com>2021-02-26 02:57:23 -0800
committerTaylor Simpson <tsimpson@quicinc.com>2021-11-03 16:01:29 -0500
commit9f1f2fe51e8a410dc8cbfbadcfd422a2195e7f06 (patch)
treec63017245a84b88d3d7d565261e6c275360df295 /target/hexagon
parentccd9eec874cf510aad54351fa7cf7c4624686287 (diff)
Hexagon HVX (target/hexagon) C preprocessor for decode tree
Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Diffstat (limited to 'target/hexagon')
-rw-r--r--target/hexagon/gen_dectree_import.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/target/hexagon/gen_dectree_import.c b/target/hexagon/gen_dectree_import.c
index 5b7ecfc6b3..ee354677fd 100644
--- a/target/hexagon/gen_dectree_import.c
+++ b/target/hexagon/gen_dectree_import.c
@@ -40,6 +40,11 @@ const char * const opcode_names[] = {
* Q6INSN(A2_add,"Rd32=add(Rs32,Rt32)",ATTRIBS(),
* "Add 32-bit registers",
* { RdV=RsV+RtV;})
+ * HVX instructions have the following form
+ * EXTINSN(V6_vinsertwr, "Vx32.w=vinsert(Rt32)",
+ * ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VX,A_CVI_LATE),
+ * "Insert Word Scalar into Vector",
+ * VxV.uw[0] = RtV;)
*/
const char * const opcode_syntax[XX_LAST_OPCODE] = {
#define Q6INSN(TAG, BEH, ATTRIBS, DESCR, SEM) \
@@ -105,6 +110,14 @@ static const char *get_opcode_enc(int opcode)
static const char *get_opcode_enc_class(int opcode)
{
+ const char *tmp = opcode_encodings[opcode].encoding;
+ if (tmp == NULL) {
+ const char *test = "V6_"; /* HVX */
+ const char *name = opcode_names[opcode];
+ if (strncmp(name, test, strlen(test)) == 0) {
+ return "EXT_mmvec";
+ }
+ }
return opcode_enc_class_names[opcode_encodings[opcode].enc_class];
}