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glsl_to_tgsi: don't create 64-bit integer MAD/FMA

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TGSI has no I64MAD/U64MAD opcode.

Fixes: 278580729a ('st/glsl_to_tgsi: add support for 64-bit integers')
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Rhys Perry 2018-10-20 14:54:10 +01:00
parent 26cb93e229
commit 5172eb231d
1 changed files with 4 additions and 0 deletions
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4
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -1274,6 +1274,10 @@ glsl_to_tgsi_visitor::try_emit_mad(ir_expression *ir, int mul_operand)
st_src_reg a, b, c;
st_dst_reg result_dst;
// there is no TGSI opcode for this
if (ir->type->is_integer_64())
return false;
ir_expression *expr = ir->operands[mul_operand]->as_expression();
if (!expr || expr->operation != ir_binop_mul)
return false;