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gallivm/nir: split out 64-bit splitting code

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This just lets it be reused for tess later.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3841>
This commit is contained in:
Dave Airlie 2020-02-17 16:19:57 +10:00
parent bd0188f9ea
commit c632d806cb
1 changed files with 20 additions and 11 deletions
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31
src/gallium/auxiliary/gallivm/lp_bld_nir_soa.c
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@ -78,17 +78,13 @@ emit_fetch_64bit(
}
static void
emit_store_64bit_chan(struct lp_build_nir_context *bld_base,
LLVMValueRef chan_ptr,
LLVMValueRef chan_ptr2,
LLVMValueRef value)
emit_store_64bit_split(struct lp_build_nir_context *bld_base,
LLVMValueRef value,
LLVMValueRef split_values[2])
{
struct lp_build_nir_soa_context *bld = (struct lp_build_nir_soa_context *)bld_base;
struct gallivm_state *gallivm = bld_base->base.gallivm;
LLVMBuilderRef builder = gallivm->builder;
struct lp_build_context *float_bld = &bld_base->base;
unsigned i;
LLVMValueRef temp, temp2;
LLVMValueRef shuffles[LP_MAX_VECTOR_WIDTH/32];
LLVMValueRef shuffles2[LP_MAX_VECTOR_WIDTH/32];
int len = bld_base->base.type.length * 2;
@ -99,19 +95,32 @@ emit_store_64bit_chan(struct lp_build_nir_context *bld_base,
shuffles2[i] = lp_build_const_int32(gallivm, (i * 2) + 1);
}
temp = LLVMBuildShuffleVector(builder, value,
split_values[0] = LLVMBuildShuffleVector(builder, value,
LLVMGetUndef(LLVMTypeOf(value)),
LLVMConstVector(shuffles,
bld_base->base.type.length),
"");
temp2 = LLVMBuildShuffleVector(builder, value,
split_values[1] = LLVMBuildShuffleVector(builder, value,
LLVMGetUndef(LLVMTypeOf(value)),
LLVMConstVector(shuffles2,
bld_base->base.type.length),
"");
}
lp_exec_mask_store(&bld->exec_mask, float_bld, temp, chan_ptr);
lp_exec_mask_store(&bld->exec_mask, float_bld, temp2, chan_ptr2);
static void
emit_store_64bit_chan(struct lp_build_nir_context *bld_base,
LLVMValueRef chan_ptr,
LLVMValueRef chan_ptr2,
LLVMValueRef value)
{
struct lp_build_nir_soa_context *bld = (struct lp_build_nir_soa_context *)bld_base;
struct lp_build_context *float_bld = &bld_base->base;
LLVMValueRef split_vals[2];
emit_store_64bit_split(bld_base, value, split_vals);
lp_exec_mask_store(&bld->exec_mask, float_bld, split_vals[0], chan_ptr);
lp_exec_mask_store(&bld->exec_mask, float_bld, split_vals[1], chan_ptr2);
}
static LLVMValueRef