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ir3: Add mova .u bit

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Signed-off-by: Rob Clark <rob.clark@oss.qualcomm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38450>
This commit is contained in:
Rob Clark 2025-10-27 07:47:56 -07:00 • committed by Marge Bot
parent 4bc01d11b0
commit d146a31ee1
3 changed files with 15 additions and 5 deletions
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7
src/freedreno/ir3/ir3_parser.y
View file

@ -705,14 +705,17 @@ mova_src: src_reg_or_const_or_rel
| immediate_cat1
| src_reg_flags immediate_cat1
cat1_mova1: T_OP_MOVA1 T_A1 ',' {
cat1_mova_flags:
| '.' 'u' { iflags.flags |= IR3_INSTR_U; }
cat1_mova1: T_OP_MOVA1 cat1_mova_flags T_A1 ',' {
new_instr(OPC_MOV);
instr->cat1.src_type = TYPE_U16;
instr->cat1.dst_type = TYPE_U16;
new_dst((61 << 3) + 2, IR3_REG_HALF);
} mova_src
cat1_mova: T_OP_MOVA T_A0 ',' {
cat1_mova: T_OP_MOVA cat1_mova_flags T_A0 ',' {
new_instr(OPC_MOV);
instr->cat1.src_type = TYPE_S16;
instr->cat1.dst_type = TYPE_S16;

3
src/freedreno/ir3/tests/disasm.c
View file

@ -96,6 +96,9 @@ static const struct test {
INSTR_6XX(20400006_00003800, "mov.f16f16 hr1.z, h(0.500000)"),
INSTR_6XX(204880f5_00000000, "mova1 a1.x, 0"),
INSTR_6XX(201108f4_00000000, "mova.u a0.x, (r)hr0.x"),
INSTR_6XX(204888f5_00000000, "mova1.u a1.x, 0"),
INSTR_7XX(2004c005_00000405, "cov.f32u32 r1.y, (last)r1.y"),
INSTR_7XX(200440c0_ae800004, "movs.f32f32 r48.x, r1.x, 93"),

10
src/freedreno/isa/ir3-cat1.xml
View file

@ -77,7 +77,8 @@ SOFTWARE.
<pattern low="61" high="63">001</pattern> <!-- cat1 -->
<encode>
<map name="SRC">src->srcs[0]</map>
<map name="SRC_R">!!(src->srcs[0]->flags &amp; IR3_REG_R)</map>
<!-- SRC_R doubles as the .u bit for mova/mova1: -->
<map name="SRC_R">!!(src->srcs[0]->flags &amp; IR3_REG_R) || !!(src->flags &amp; IR3_INSTR_U)</map>
<map name="UL">!!(src->flags &amp; IR3_INSTR_UL)</map>
<map name="DST_REL">!!(src->dsts[0]->flags &amp; IR3_REG_RELATIV)</map>
<map name="ROUND">src->cat1.round</map>
@ -119,7 +120,7 @@ SOFTWARE.
({DST} == 0xf4 /* a0.x */) &amp;&amp; ({SRC_TYPE} == 4 /* s16 */) &amp;&amp; ({DST_TYPE} == 4)
</expr>
<display>
{SY}{SS}{JP}{REPEAT}{UL}mova {ROUND}{DM}a0.x, {SRC_R}{SRC}
{SY}{SS}{JP}{REPEAT}{UL}mova{U} {ROUND}{DM}a0.x, {SRC}
</display>
<assert low="32" high="39">11110100</assert> <!-- DST==a0.x -->
<assert low="46" high="48">100</assert> <!-- DST_TYPE==s16 -->
@ -130,7 +131,7 @@ SOFTWARE.
({DST} == 0xf5 /* a0.y */) &amp;&amp; ({SRC_TYPE} == 2 /* u16 */) &amp;&amp; ({DST_TYPE} == 2)
</expr>
<display>
{SY}{SS}{JP}{REPEAT}{UL}mova1 {ROUND}{DM}a1.x, {SRC_R}{SRC}
{SY}{SS}{JP}{REPEAT}{UL}mova1{U} {ROUND}{DM}a1.x, {SRC}
</display>
<assert low="32" high="39">11110101</assert> <!-- DST==a0.y -->
<assert low="46" high="48">010</assert> <!-- DST_TYPE==u16 -->
@ -147,6 +148,9 @@ SOFTWARE.
<display>
{SY}{SS}{JP}{REPEAT}{UL}mov.{SRC_TYPE}{DST_TYPE} {ROUND}{DM}{DST_HALF}{DST}, {SRC}
</display>
<derived name="U" type="bool" display=".u">
<expr>{SRC_R}</expr>
</derived>
<field name="DST" low="32" high="39" type="#cat1-dst">
<param name="DST_REL"/>
</field>