AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

pan/bi: Pack unconditional branch

Browse Source 
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5260>
This commit is contained in:
Alyssa Rosenzweig
2020-05-28 14:38:44 -04:00
committed by Marge Bot
parent e4791d2bf8
commit bd6ff4f7e1
1 changed files with 30 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/panfrost/bifrost/bi_pack.c
+30 -1
View File
@@ -1620,7 +1620,7 @@ bi_pack_add_imath(bi_instruction *ins, bi_registers *regs)
}
static unsigned
bi_pack_add_branch(bi_instruction *ins, bi_registers *regs)
bi_pack_add_branch_cond(bi_instruction *ins, bi_registers *regs)
{
assert(ins->cond == BI_COND_EQ);
assert(ins->src[1] == BIR_INDEX_ZERO);
@@ -1653,6 +1653,35 @@ bi_pack_add_branch(bi_instruction *ins, bi_registers *regs)
RETURN_PACKED(pack);
}
static unsigned
bi_pack_add_branch_uncond(bi_instruction *ins, bi_registers *regs)
{
struct bifrost_branch pack = {
/* It's unclear what these bits actually mean */
.src0 = BIFROST_SRC_CONST_LO,
.src1 = BIFROST_SRC_PASS_FMA,
/* Offset, see above */
.src2 = BIFROST_SRC_CONST_HI,
/* All ones in fact */
.cond = (BR_ALWAYS & 0x7),
.size = (BR_ALWAYS >> 3),
.op = BIFROST_ADD_OP_BRANCH
};
RETURN_PACKED(pack);
}
static unsigned
bi_pack_add_branch(bi_instruction *ins, bi_registers *regs)
{
if (ins->cond == BI_COND_ALWAYS)
return bi_pack_add_branch_uncond(ins, regs);
else
return bi_pack_add_branch_cond(ins, regs);
}
static unsigned
bi_pack_add(bi_clause *clause, bi_bundle bundle, bi_registers *regs, gl_shader_stage stage)
{