diff options
Diffstat (limited to 'opcodes/csky-dis.c')
| -rw-r--r-- | opcodes/csky-dis.c | 72 |
1 files changed, 70 insertions, 2 deletions
diff --git a/opcodes/csky-dis.c b/opcodes/csky-dis.c index f815679..89f1c6b 100644 --- a/opcodes/csky-dis.c +++ b/opcodes/csky-dis.c @@ -623,6 +623,62 @@ csky_output_operand (char *str, struct operand const *oprnd, strcat (str, buf); break; } + case OPRND_TYPE_HFLOAT_FMOVI: + case OPRND_TYPE_SFLOAT_FMOVI: + { + int imm4; + int imm8; + imm4 = ((inst >> 16) & 0xf); + imm4 = (138 - imm4) << 23; + + imm8 = ((inst >> 8) & 0x3); + imm8 |= (((inst >> 20) & 0x3f) << 2); + imm8 <<= 15; + + value = ((inst >> 5) & 1) << 31; + value |= imm4 | imm8; + + imm4 = 138 - (imm4 >> 23); + imm8 >>= 15; + if ((inst >> 5) & 1) + { + imm8 = 0 - imm8; + } + + float f = 0; + memcpy (&f, &value, sizeof (float)); + sprintf (str, "%s%f\t// imm9:%4d, imm4:%2d", str, f, imm8, imm4); + + break; + } + + case OPRND_TYPE_DFLOAT_FMOVI: + { + uint64_t imm4; + uint64_t imm8; + uint64_t dvalue; + imm4 = ((inst >> 16) & 0xf); + imm4 = (1034 - imm4) << 52; + + imm8 = ((inst >> 8) & 0x3); + imm8 |= (((inst >> 20) & 0x3f) << 2); + imm8 <<= 44; + + dvalue = (((uint64_t)inst >> 5) & 1) << 63; + dvalue |= imm4 | imm8; + + imm4 = 1034 - (imm4 >> 52); + imm8 >>= 44; + if (inst >> 5) + { + imm8 = 0 - imm8; + } + double d = 0; + memcpy (&d, &dvalue, sizeof (double)); + sprintf (str, "%s%lf\t// imm9:%4ld, imm4:%2ld", str, d, imm8, imm4); + + break; + } case OPRND_TYPE_LABEL_WITH_BRACKET: sprintf (buf, "[0x%x]", (unsigned int)value); strcat (str, buf); @@ -653,8 +709,20 @@ csky_output_operand (char *str, struct operand const *oprnd, case OPRND_TYPE_FREGLIST_DASH: if (IS_CSKY_V2 (mach_flag)) { - int vrx = value & 0xf; - int vry = vrx + (value >> 4); + int vrx = 0; + int vry = 0; + if (dis_info.isa & CSKY_ISA_FLOAT_7E60 + && (strstr (str, "fstm") != NULL + || strstr (str, "fldm") != NULL)) + { + vrx = value & 0x1f; + vry = vrx + (value >> 5); + } + else + { + vrx = value & 0xf; + vry = vrx + (value >> 4); + } sprintf (buf, "fr%d-fr%d", vrx, vry); strcat (str, buf); } |