freedreno: a2xx: fix fneg/fabs/fsat opcodes

Previously we would get a fmov with modifiers, but now that mov has no type
these opcodes need to be supported.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Rob Clark <robdclark@chromium.org>

diff --git a/src/gallium/drivers/freedreno/a2xx/ir2_nir.c b/src/gallium/drivers/freedreno/a2xx/ir2_nir.c
index 6121627..980ab7b 100644 (file)
--- a/src/gallium/drivers/freedreno/a2xx/ir2_nir.c
+++ b/src/gallium/drivers/freedreno/a2xx/ir2_nir.c
@@ -286,6 +286,9 @@ instr_create_alu(struct ir2_context *ctx, nir_op opcode, unsigned ncomp)
                [0 ... nir_num_opcodes - 1] = {-1, -1},
 
                [nir_op_mov] = {MAXs, MAXv},
+               [nir_op_fneg] = {MAXs, MAXv},
+               [nir_op_fabs] = {MAXs, MAXv},
+               [nir_op_fsat] = {MAXs, MAXv},
                [nir_op_fsign] = {-1, CNDGTEv},
                [nir_op_fadd] = {ADDs, ADDv},
                [nir_op_fsub] = {ADDs, ADDv},
@@ -428,6 +431,15 @@ emit_alu(struct ir2_context *ctx, nir_alu_instr * alu)
 
        /* workarounds for NIR ops that don't map directly to a2xx ops */
        switch (alu->op) {
+       case nir_op_fneg:
+               instr->src[0].negate = 1;
+               break;
+       case nir_op_fabs:
+               instr->src[0].abs = 1;
+               break;
+       case nir_op_fsat:
+               instr->alu.saturate = 1;
+               break;
        case nir_op_slt:
                tmp = instr->src[0];
                instr->src[0] = instr->src[1];