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gallivm/nir: allow 8/16-bit conversion and comparison.

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This adds the convert to 8/16 and support for 8/16 comparsions

Acked-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie 2019-12-12 15:03:01 +10:00
parent 3adf74f2ef
commit dac8cb981f
1 changed files with 29 additions and 3 deletions
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32
src/gallium/auxiliary/gallivm/lp_bld_nir.c
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@ -249,7 +249,9 @@ static LLVMValueRef icmp32(struct lp_build_nir_context *bld_base,
LLVMBuilderRef builder = bld_base->base.gallivm->builder;
struct lp_build_context *i_bld = get_int_bld(bld_base, is_unsigned, src_bit_size);
LLVMValueRef result = lp_build_cmp(i_bld, compare, src[0], src[1]);
if (src_bit_size == 64)
if (src_bit_size < 32)
result = LLVMBuildSExt(builder, result, bld_base->int_bld.vec_type, "");
else if (src_bit_size == 64)
result = LLVMBuildTrunc(builder, result, bld_base->int_bld.vec_type, "");
return result;
}
@ -571,8 +573,20 @@ static LLVMValueRef do_alu_action(struct lp_build_nir_context *bld_base,
case nir_op_i2f64:
result = lp_build_int_to_float(&bld_base->dbl_bld, src[0]);
break;
case nir_op_i2i8:
result = LLVMBuildTrunc(builder, src[0], bld_base->int8_bld.vec_type, "");
break;
case nir_op_i2i16:
if (src_bit_size[0] < 16)
result = LLVMBuildSExt(builder, src[0], bld_base->int16_bld.vec_type, "");
else
result = LLVMBuildTrunc(builder, src[0], bld_base->int16_bld.vec_type, "");
break;
case nir_op_i2i32:
result = LLVMBuildTrunc(builder, src[0], bld_base->int_bld.vec_type, "");
if (src_bit_size[0] < 32)
result = LLVMBuildSExt(builder, src[0], bld_base->int_bld.vec_type, "");
else
result = LLVMBuildTrunc(builder, src[0], bld_base->int_bld.vec_type, "");
break;
case nir_op_i2i64:
result = LLVMBuildSExt(builder, src[0], bld_base->int64_bld.vec_type, "");
@ -688,8 +702,20 @@ static LLVMValueRef do_alu_action(struct lp_build_nir_context *bld_base,
case nir_op_u2f64:
result = LLVMBuildUIToFP(builder, src[0], bld_base->dbl_bld.vec_type, "");
break;
case nir_op_u2u8:
result = LLVMBuildTrunc(builder, src[0], bld_base->uint8_bld.vec_type, "");
break;
case nir_op_u2u16:
if (src_bit_size[0] < 16)
result = LLVMBuildZExt(builder, src[0], bld_base->uint16_bld.vec_type, "");
else
result = LLVMBuildTrunc(builder, src[0], bld_base->uint16_bld.vec_type, "");
break;
case nir_op_u2u32:
result = LLVMBuildTrunc(builder, src[0], bld_base->uint_bld.vec_type, "");
if (src_bit_size[0] < 32)
result = LLVMBuildZExt(builder, src[0], bld_base->uint_bld.vec_type, "");
else
result = LLVMBuildTrunc(builder, src[0], bld_base->uint_bld.vec_type, "");
break;
case nir_op_u2u64:
result = LLVMBuildZExt(builder, src[0], bld_base->uint64_bld.vec_type, "");