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pan/bi: Pack ADD_FREXPM 

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4615>
This commit is contained in:
Alyssa Rosenzweig 2020-04-14 13:14:29 -04:00
parent ffa9f6a789
commit 6039d51e32
2 changed files with 13 additions and 0 deletions
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12
src/panfrost/bifrost/bi_pack.c
View File

@ -747,6 +747,16 @@ bi_pack_fma_frexp(bi_instruction *ins, struct bi_registers *regs)
return bi_pack_fma_1src(ins, regs, op);
}
static unsigned
bi_pack_fma_reduce(bi_instruction *ins, struct bi_registers *regs)
{
if (ins->op.reduce == BI_REDUCE_ADD_FREXPM) {
return bi_pack_fma_2src(ins, regs, BIFROST_FMA_OP_ADD_FREXPM);
} else {
unreachable("Invalid reduce op");
}
}
/* We have a single convert opcode in the IR but a number of opcodes that could
* come out. In particular we have native opcodes for:
*
@ -887,6 +897,8 @@ bi_pack_fma(bi_clause *clause, bi_bundle bundle, struct bi_registers *regs)
case BI_SWIZZLE:
case BI_ROUND:
return BIFROST_FMA_NOP;
case BI_REDUCE_FMA:
return bi_pack_fma_reduce(bundle.fma, regs);
default:
unreachable("Cannot encode class as FMA");
}

1
src/panfrost/bifrost/bifrost.h
View File

@ -98,6 +98,7 @@ enum bifrost_packed_src {
#define BIFROST_FMA_EXT (0xe0000)
#define BIFROST_FMA_OP_MOV BIFROST_FMA_EXT | (0x32d)
#define BIFROST_FMA_OP_FREXPE_LOG BIFROST_FMA_EXT | 0x3c5
#define BIFROST_FMA_OP_ADD_FREXPM ((BIFROST_FMA_EXT | 0x1e80) >> 3)
struct bifrost_fma_inst {
unsigned src0 : 3;