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ac: use struct/raw store intrinsics for 8-bit/16-bit int with LLVM 9+ 

This changes requires LLVM r356465.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Samuel Pitoiset 2019-03-26 12:37:39 +01:00
parent 26ea506235
commit ad6dc13fc7
1 changed files with 34 additions and 14 deletions
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48
src/amd/common/ac_llvm_build.c
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@ -1794,15 +1794,25 @@ ac_build_tbuffer_store_short(struct ac_llvm_context *ctx,
bool glc,
bool writeonly_memory)
{
unsigned dfmt = V_008F0C_BUF_DATA_FORMAT_16;
unsigned nfmt = V_008F0C_BUF_NUM_FORMAT_UINT;
vdata = LLVMBuildBitCast(ctx->builder, vdata, ctx->i16, "");
vdata = LLVMBuildZExt(ctx->builder, vdata, ctx->i32, "");
ac_build_raw_tbuffer_store(ctx, rsrc, vdata, voffset, soffset,
ctx->i32_0, 1, dfmt, nfmt, glc, false,
writeonly_memory);
if (HAVE_LLVM >= 0x900) {
/* LLVM 9+ supports i8/i16 with struct/raw intrinsics. */
ac_build_llvm8_buffer_store_common(ctx, rsrc, vdata, NULL,
voffset, soffset, 1,
ctx->i16, glc, false,
writeonly_memory, false,
false);
} else {
unsigned dfmt = V_008F0C_BUF_DATA_FORMAT_16;
unsigned nfmt = V_008F0C_BUF_NUM_FORMAT_UINT;
vdata = LLVMBuildZExt(ctx->builder, vdata, ctx->i32, "");
ac_build_raw_tbuffer_store(ctx, rsrc, vdata, voffset, soffset,
ctx->i32_0, 1, dfmt, nfmt, glc, false,
writeonly_memory);
}
}
void
@ -1814,15 +1824,25 @@ ac_build_tbuffer_store_byte(struct ac_llvm_context *ctx,
bool glc,
bool writeonly_memory)
{
unsigned dfmt = V_008F0C_BUF_DATA_FORMAT_8;
unsigned nfmt = V_008F0C_BUF_NUM_FORMAT_UINT;
vdata = LLVMBuildBitCast(ctx->builder, vdata, ctx->i8, "");
vdata = LLVMBuildZExt(ctx->builder, vdata, ctx->i32, "");
ac_build_raw_tbuffer_store(ctx, rsrc, vdata, voffset, soffset,
ctx->i32_0, 1, dfmt, nfmt, glc, false,
writeonly_memory);
if (HAVE_LLVM >= 0x900) {
/* LLVM 9+ supports i8/i16 with struct/raw intrinsics. */
ac_build_llvm8_buffer_store_common(ctx, rsrc, vdata, NULL,
voffset, soffset, 1,
ctx->i8, glc, false,
writeonly_memory, false,
false);
} else {
unsigned dfmt = V_008F0C_BUF_DATA_FORMAT_8;
unsigned nfmt = V_008F0C_BUF_NUM_FORMAT_UINT;
vdata = LLVMBuildZExt(ctx->builder, vdata, ctx->i32, "");
ac_build_raw_tbuffer_store(ctx, rsrc, vdata, voffset, soffset,
ctx->i32_0, 1, dfmt, nfmt, glc, false,
writeonly_memory);
}
}
/**
* Set range metadata on an instruction. This can only be used on load and