ac: use new LLVM 8 intrinsic when storing 16-bit values

[mesa.git] / src / amd / common / ac_llvm_build.h

diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h
index 026955a5556b591c8775735f49ff2a16b85b2d78..723aec53cbe1254f953a6042916d83db05c3c9b2 100644 (file)
--- a/src/amd/common/ac_llvm_build.h
+++ b/src/amd/common/ac_llvm_build.h
@@ -34,15 +34,21 @@
 extern "C" {
 #endif
 
-#define HAVE_32BIT_POINTERS (HAVE_LLVM >= 0x0700)
-
 enum {
-       /* CONST is the only address space that selects SMEM loads */
-       AC_CONST_ADDR_SPACE = HAVE_LLVM >= 0x700 ? 4 : 2,
-       AC_LOCAL_ADDR_SPACE = 3,
-       AC_CONST_32BIT_ADDR_SPACE = 6, /* same as CONST, but the pointer type has 32 bits */
+       AC_ADDR_SPACE_FLAT = 0, /* Slower than global. */
+       AC_ADDR_SPACE_GLOBAL = 1,
+       AC_ADDR_SPACE_GDS = 2,
+       AC_ADDR_SPACE_LDS = 3,
+       AC_ADDR_SPACE_CONST = 4, /* Global allowing SMEM. */
+       AC_ADDR_SPACE_CONST_32BIT = 6, /* same as CONST, but the pointer type has 32 bits */
 };
 
+/* Combine these with & instead of |. */
+#define NOOP_WAITCNT   0xcf7f
+#define LGKM_CNT       0xc07f
+#define EXP_CNT                0xcf0f
+#define VM_CNT         0x0f70 /* On GFX9, vmcnt has 6 bits in [0:3] and [14:15] */
+
 struct ac_llvm_flow;
 
 struct ac_llvm_context {
@@ -68,6 +74,8 @@ struct ac_llvm_context {
        LLVMTypeRef v4f32;
        LLVMTypeRef v8i32;
 
+       LLVMValueRef i16_0;
+       LLVMValueRef i16_1;
        LLVMValueRef i32_0;
        LLVMValueRef i32_1;
        LLVMValueRef i64_0;
@@ -97,7 +105,7 @@ struct ac_llvm_context {
 };
 
 void
-ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context,
+ac_llvm_context_init(struct ac_llvm_context *ctx,
                     enum chip_class chip_class, enum radeon_family family);
 
 void
@@ -118,6 +126,7 @@ unsigned ac_get_type_size(LLVMTypeRef type);
 
 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
+LLVMValueRef ac_to_integer_or_pointer(struct ac_llvm_context *ctx, LLVMValueRef v);
 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
 
@@ -133,6 +142,7 @@ ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type,
             unsigned count_incoming, LLVMValueRef *values,
             LLVMBasicBlockRef *blocks);
 
+void ac_build_s_barrier(struct ac_llvm_context *ctx);
 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
                                   LLVMValueRef *pvgpr);
 
@@ -164,12 +174,30 @@ ac_build_gather_values(struct ac_llvm_context *ctx,
 LLVMValueRef ac_build_expand_to_vec4(struct ac_llvm_context *ctx,
                                     LLVMValueRef value,
                                     unsigned num_channels);
+LLVMValueRef ac_build_round(struct ac_llvm_context *ctx, LLVMValueRef value);
 
 LLVMValueRef
 ac_build_fdiv(struct ac_llvm_context *ctx,
              LLVMValueRef num,
              LLVMValueRef den);
 
+LLVMValueRef ac_build_fast_udiv(struct ac_llvm_context *ctx,
+                               LLVMValueRef num,
+                               LLVMValueRef multiplier,
+                               LLVMValueRef pre_shift,
+                               LLVMValueRef post_shift,
+                               LLVMValueRef increment);
+LLVMValueRef ac_build_fast_udiv_nuw(struct ac_llvm_context *ctx,
+                                   LLVMValueRef num,
+                                   LLVMValueRef multiplier,
+                                   LLVMValueRef pre_shift,
+                                   LLVMValueRef post_shift,
+                                   LLVMValueRef increment);
+LLVMValueRef ac_build_fast_udiv_u31_d_not_one(struct ac_llvm_context *ctx,
+                                             LLVMValueRef num,
+                                             LLVMValueRef multiplier,
+                                             LLVMValueRef post_shift);
+
 void
 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
                       bool is_deriv, bool is_array, bool is_lod,
@@ -185,6 +213,14 @@ ac_build_fs_interp(struct ac_llvm_context *ctx,
                   LLVMValueRef i,
                   LLVMValueRef j);
 
+LLVMValueRef
+ac_build_fs_interp_f16(struct ac_llvm_context *ctx,
+                      LLVMValueRef llvm_chan,
+                      LLVMValueRef attr_number,
+                      LLVMValueRef params,
+                      LLVMValueRef i,
+                      LLVMValueRef j);
+
 LLVMValueRef
 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
                       LLVMValueRef parameter,
@@ -192,10 +228,17 @@ ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
                       LLVMValueRef attr_number,
                       LLVMValueRef params);
 
+LLVMValueRef
+ac_build_gep_ptr(struct ac_llvm_context *ctx,
+                LLVMValueRef base_ptr,
+                LLVMValueRef index);
+
 LLVMValueRef
 ac_build_gep0(struct ac_llvm_context *ctx,
              LLVMValueRef base_ptr,
              LLVMValueRef index);
+LLVMValueRef ac_build_pointer_add(struct ac_llvm_context *ctx, LLVMValueRef ptr,
+                                 LLVMValueRef index);
 
 void
 ac_build_indexed_store(struct ac_llvm_context *ctx,
@@ -208,6 +251,8 @@ LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx,
                                     LLVMValueRef base_ptr, LLVMValueRef index);
 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx,
                                   LLVMValueRef base_ptr, LLVMValueRef index);
+LLVMValueRef ac_build_load_to_sgpr_uint_wraparound(struct ac_llvm_context *ctx,
+                                  LLVMValueRef base_ptr, LLVMValueRef index);
 
 void
 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
@@ -221,6 +266,17 @@ ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
                            bool slc,
                            bool writeonly_memory,
                            bool swizzle_enable_hint);
+
+void
+ac_build_buffer_store_format(struct ac_llvm_context *ctx,
+                            LLVMValueRef rsrc,
+                            LLVMValueRef data,
+                            LLVMValueRef vindex,
+                            LLVMValueRef voffset,
+                            unsigned num_channels,
+                            bool glc,
+                            bool writeonly_memory);
+
 LLVMValueRef
 ac_build_buffer_load(struct ac_llvm_context *ctx,
                     LLVMValueRef rsrc,
@@ -252,6 +308,79 @@ LLVMValueRef ac_build_buffer_load_format_gfx9_safe(struct ac_llvm_context *ctx,
                                                   bool glc,
                                                   bool can_speculate);
 
+LLVMValueRef
+ac_build_tbuffer_load_short(struct ac_llvm_context *ctx,
+                           LLVMValueRef rsrc,
+                           LLVMValueRef voffset,
+                           LLVMValueRef soffset,
+                           LLVMValueRef immoffset,
+                           bool glc);
+
+LLVMValueRef
+ac_build_struct_tbuffer_load(struct ac_llvm_context *ctx,
+                            LLVMValueRef rsrc,
+                            LLVMValueRef vindex,
+                            LLVMValueRef voffset,
+                            LLVMValueRef soffset,
+                            LLVMValueRef immoffset,
+                            unsigned num_channels,
+                            unsigned dfmt,
+                            unsigned nfmt,
+                            bool glc,
+                            bool slc,
+                            bool can_speculate);
+
+LLVMValueRef
+ac_build_raw_tbuffer_load(struct ac_llvm_context *ctx,
+                         LLVMValueRef rsrc,
+                         LLVMValueRef voffset,
+                         LLVMValueRef soffset,
+                         LLVMValueRef immoffset,
+                         unsigned num_channels,
+                         unsigned dfmt,
+                         unsigned nfmt,
+                         bool glc,
+                         bool slc,
+                         bool can_speculate);
+
+void
+ac_build_tbuffer_store_short(struct ac_llvm_context *ctx,
+                            LLVMValueRef rsrc,
+                            LLVMValueRef vdata,
+                            LLVMValueRef voffset,
+                            LLVMValueRef soffset,
+                            bool glc,
+                            bool writeonly_memory);
+
+void
+ac_build_struct_tbuffer_store(struct ac_llvm_context *ctx,
+                             LLVMValueRef rsrc,
+                             LLVMValueRef vdata,
+                             LLVMValueRef vindex,
+                             LLVMValueRef voffset,
+                             LLVMValueRef soffset,
+                             LLVMValueRef immoffset,
+                             unsigned num_channels,
+                             unsigned dfmt,
+                             unsigned nfmt,
+                             bool glc,
+                             bool slc,
+                             bool writeonly_memory);
+
+void
+ac_build_raw_tbuffer_store(struct ac_llvm_context *ctx,
+                          LLVMValueRef rsrc,
+                          LLVMValueRef vdata,
+                          LLVMValueRef voffset,
+                          LLVMValueRef soffset,
+                          LLVMValueRef immoffset,
+                          unsigned num_channels,
+                          unsigned dfmt,
+                          unsigned nfmt,
+                          bool glc,
+                          bool slc,
+                          bool writeonly_memory);
+
 LLVMValueRef
 ac_get_thread_id(struct ac_llvm_context *ctx);
 
@@ -389,6 +518,10 @@ void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
                          LLVMValueRef offset, LLVMValueRef width,
                          bool is_signed);
+LLVMValueRef ac_build_imad(struct ac_llvm_context *ctx, LLVMValueRef s0,
+                          LLVMValueRef s1, LLVMValueRef s2);
+LLVMValueRef ac_build_fmad(struct ac_llvm_context *ctx, LLVMValueRef s0,
+                          LLVMValueRef s1, LLVMValueRef s2);
 
 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned simm16);
 
@@ -401,6 +534,11 @@ LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0,
 LLVMValueRef ac_build_fsign(struct ac_llvm_context *ctx, LLVMValueRef src0,
                            unsigned bitsize);
 
+LLVMValueRef ac_build_bit_count(struct ac_llvm_context *ctx, LLVMValueRef src0);
+
+LLVMValueRef ac_build_bitfield_reverse(struct ac_llvm_context *ctx,
+                                      LLVMValueRef src0);
+
 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
                            LLVMValueRef main_fn,
                            uint8_t *vs_output_param_offset,
@@ -427,6 +565,7 @@ void ac_build_continue(struct ac_llvm_context *ctx);
 void ac_build_else(struct ac_llvm_context *ctx, int lable_id);
 void ac_build_endif(struct ac_llvm_context *ctx, int lable_id);
 void ac_build_endloop(struct ac_llvm_context *ctx, int lable_id);
+void ac_build_ifcc(struct ac_llvm_context *ctx, LLVMValueRef cond, int label_id);
 void ac_build_if(struct ac_llvm_context *ctx, LLVMValueRef value,
                 int lable_id);
 void ac_build_uif(struct ac_llvm_context *ctx, LLVMValueRef value,
@@ -470,6 +609,42 @@ ac_build_exclusive_scan(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op
 LLVMValueRef
 ac_build_reduce(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op, unsigned cluster_size);
 
+/**
+ * Common arguments for a scan/reduce operation that accumulates per-wave
+ * values across an entire workgroup, while respecting the order of waves.
+ */
+struct ac_wg_scan {
+       bool enable_reduce;
+       bool enable_exclusive;
+       bool enable_inclusive;
+       nir_op op;
+       LLVMValueRef src; /* clobbered! */
+       LLVMValueRef result_reduce;
+       LLVMValueRef result_exclusive;
+       LLVMValueRef result_inclusive;
+       LLVMValueRef extra;
+       LLVMValueRef waveidx;
+       LLVMValueRef numwaves; /* only needed for "reduce" operations */
+
+       /* T addrspace(LDS) pointer to the same type as value, at least maxwaves entries */
+       LLVMValueRef scratch;
+       unsigned maxwaves;
+};
+
+void
+ac_build_wg_wavescan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
+void
+ac_build_wg_wavescan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
+void
+ac_build_wg_wavescan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
+
+void
+ac_build_wg_scan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
+void
+ac_build_wg_scan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
+void
+ac_build_wg_scan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
+
 LLVMValueRef
 ac_build_quad_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src,
                unsigned lane0, unsigned lane1, unsigned lane2, unsigned lane3);