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authorStafford Horne <shorne@gmail.com>2019-06-13 06:16:19 +0900
committerStafford Horne <shorne@gmail.com>2019-06-13 06:16:19 +0900
commite4c4ac46e8e7ef92311181f85b193af369897151 (patch)
tree9f942d2ed2f996caa17a32cedb033aafaea2bf52 /opcodes/or1k-asm.c
parenta2e4218f237dd1555249555f8be4165aa8e56b6a (diff)
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opcodes/or1k: Regenerate opcodes
This picks up changes for: - new orfpx64a32 spec additions - new unordered instructions - symbol and documentation updates opcodes/ChangeLog: * or1k-asm.c: Regenerated. * or1k-desc.c: Regenerated. * or1k-desc.h: Regenerated. * or1k-dis.c: Regenerated. * or1k-ibld.c: Regenerated. * or1k-opc.c: Regenerated. * or1k-opc.h: Regenerated. * or1k-opinst.c: Regenerated.
Diffstat (limited to 'opcodes/or1k-asm.c')
-rw-r--r--opcodes/or1k-asm.c72
1 files changed, 70 insertions, 2 deletions
diff --git a/opcodes/or1k-asm.c b/opcodes/or1k-asm.c
index 7d058d0..55668af 100644
--- a/opcodes/or1k-asm.c
+++ b/opcodes/or1k-asm.c
@@ -419,6 +419,56 @@ parse_uimm16_split (CGEN_CPU_DESC cd, const char **strp, int opindex,
return errmsg;
}
+/* Parse register pairs with syntax rA,rB to a flag + rA value. */
+
+static const char *
+parse_regpair (CGEN_CPU_DESC cd, const char **strp,
+ int opindex ATTRIBUTE_UNUSED, unsigned long *valuep)
+{
+ long reg1_index;
+ long reg2_index;
+ const char *errmsg;
+
+ /* The first part should just be a register. */
+ errmsg = cgen_parse_keyword (cd, strp, &or1k_cgen_opval_h_gpr,
+ &reg1_index);
+
+ /* If that worked skip the comma separator. */
+ if (errmsg == NULL)
+ {
+ if (**strp == ',')
+ ++*strp;
+ else
+ errmsg = "Unexpected character, expected ','";
+ }
+
+ /* If that worked the next part is just another register. */
+ if (errmsg == NULL)
+ errmsg = cgen_parse_keyword (cd, strp, &or1k_cgen_opval_h_gpr,
+ &reg2_index);
+
+ /* Validate the register pair is valid and create the output value. */
+ if (errmsg == NULL)
+ {
+ int regoffset = reg2_index - reg1_index;
+
+ if (regoffset == 1 || regoffset == 2)
+ {
+ unsigned short offsetmask;
+ unsigned short value;
+
+ offsetmask = ((regoffset == 2 ? 1 : 0) << 5);
+ value = offsetmask | reg1_index;
+
+ *valuep = value;
+ }
+ else
+ errmsg = "Invalid register pair, offset not 1 or 2.";
+ }
+
+ return errmsg;
+}
+
/* -- */
const char * or1k_cgen_parse_operand
@@ -466,8 +516,14 @@ or1k_cgen_parse_operand (CGEN_CPU_DESC cd,
case OR1K_OPERAND_RA :
errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_gpr, & fields->f_r2);
break;
+ case OR1K_OPERAND_RAD32F :
+ errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RAD32F, (unsigned long *) (& fields->f_rad32));
+ break;
case OR1K_OPERAND_RADF :
- errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fdr, & fields->f_r1);
+ errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fdr, & fields->f_r2);
+ break;
+ case OR1K_OPERAND_RADI :
+ errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RADI, (unsigned long *) (& fields->f_rad32));
break;
case OR1K_OPERAND_RASF :
errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fsr, & fields->f_r2);
@@ -475,8 +531,14 @@ or1k_cgen_parse_operand (CGEN_CPU_DESC cd,
case OR1K_OPERAND_RB :
errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_gpr, & fields->f_r3);
break;
+ case OR1K_OPERAND_RBD32F :
+ errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RBD32F, (unsigned long *) (& fields->f_rbd32));
+ break;
case OR1K_OPERAND_RBDF :
- errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fdr, & fields->f_r1);
+ errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fdr, & fields->f_r3);
+ break;
+ case OR1K_OPERAND_RBDI :
+ errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RBDI, (unsigned long *) (& fields->f_rbd32));
break;
case OR1K_OPERAND_RBSF :
errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fsr, & fields->f_r3);
@@ -484,9 +546,15 @@ or1k_cgen_parse_operand (CGEN_CPU_DESC cd,
case OR1K_OPERAND_RD :
errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_gpr, & fields->f_r1);
break;
+ case OR1K_OPERAND_RDD32F :
+ errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RDD32F, (unsigned long *) (& fields->f_rdd32));
+ break;
case OR1K_OPERAND_RDDF :
errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fdr, & fields->f_r1);
break;
+ case OR1K_OPERAND_RDDI :
+ errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RDDI, (unsigned long *) (& fields->f_rdd32));
+ break;
case OR1K_OPERAND_RDSF :
errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fsr, & fields->f_r1);
break;