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Fix pack/unpack instructions 

The GPU-specific PACK and UNPACK instructions
share opcode 63. PACK is chosen by encoding '0'
in the source operand, and UNPACK is chosen by
encoding '1' in the source operand. RMAC had the
magic source operand values reversed.
This commit is contained in:
James Jones 2022-06-12 20:54:39 -07:00 committed by Shamus Hammons
parent 3f937a2ab5
commit e4747b998a
1 changed files with 2 additions and 2 deletions
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4
riscasm.c
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@ -128,8 +128,8 @@ static const struct opcoderecord roptbl[] = {
{ MR_NORMI, RI_TWO, 56 },
{ MR_NOP, RI_NONE, 57 },
{ MR_SAT24, RI_ONE, 62 },
{ MR_UNPACK, RI_ONE, 63 + GPUONLY | (0 << 6) },
{ MR_PACK, RI_ONE, 63 + GPUONLY | (1 << 6) },
{ MR_UNPACK, RI_ONE, 63 + GPUONLY | (1 << 6) },
{ MR_PACK, RI_ONE, 63 + GPUONLY | (0 << 6) },
{ MR_ADDQMOD, RI_NUM_32, 63 + DSPONLY },
{ MR_MOVE, RI_MOVE, 0 },
{ MR_LOAD, RI_LOAD, 0 },