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radeon/ac/llvm: add support for sendmsg emission

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This lets us use the new intrinsic on the correct
version of llvm.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2017-02-13 22:08:30 +00:00
parent f77d2871ac
commit f32955be43
2 changed files with 25 additions and 0 deletions
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13
src/amd/common/ac_llvm_build.c
View File

@@ -750,3 +750,16 @@ ac_emit_ddxy(struct ac_llvm_context *ctx,
result = LLVMBuildFSub(ctx->builder, trbl, tl, ""); result = LLVMBuildFSub(ctx->builder, trbl, tl, "");
return result; return result;
} }
void
ac_emit_sendmsg(struct ac_llvm_context *ctx,
uint32_t msg,
LLVMValueRef wave_id)
{
LLVMValueRef args[2];
const char *intr_name = (HAVE_LLVM < 0x0400) ? "llvm.SI.sendmsg" : "llvm.amdgcn.s.sendmsg";
args[0] = LLVMConstInt(ctx->i32, msg, false);
args[1] = wave_id;
ac_emit_llvm_intrinsic(ctx, intr_name, ctx->voidt,
args, 2, 0);
}

12
src/amd/common/ac_llvm_build.h
View File

@@ -170,6 +170,18 @@ ac_emit_ddxy(struct ac_llvm_context *ctx,
LLVMValueRef lds, LLVMValueRef lds,
LLVMValueRef val); LLVMValueRef val);
#define AC_SENDMSG_GS 2
#define AC_SENDMSG_GS_DONE 3
#define AC_SENDMSG_GS_OP_NOP (0 << 4)
#define AC_SENDMSG_GS_OP_CUT (1 << 4)
#define AC_SENDMSG_GS_OP_EMIT (2 << 4)
#define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
void ac_emit_sendmsg(struct ac_llvm_context *ctx,
uint32_t msg,
LLVMValueRef wave_id);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif