; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4 ; RUN: llc -mtriple=amdgcn -mcpu=gfx942 < %s | FileCheck --check-prefixes=GCN,GFX-942 %s ; RUN: llc -mtriple=amdgcn -mcpu=gfx950 < %s | FileCheck --check-prefixes=GCN,GFX-950 %s ; RUN: llc -mtriple=amdgcn -mcpu=gfx1250 < %s | FileCheck --check-prefix=GFX1250 %s ; TODO: Add global-isel when it can support bf16 define amdgpu_ps float @v_test_cvt_bf16_f32_v(bfloat %v) { ; GCN-LABEL: v_test_cvt_bf16_f32_v: ; GCN: ; %bb.0: ; GCN-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; GCN-NEXT: ; return to shader part epilog ; ; GFX1250-LABEL: v_test_cvt_bf16_f32_v: ; GFX1250: ; %bb.0: ; GFX1250-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; GFX1250-NEXT: ; return to shader part epilog %cvt = fpext bfloat %v to float ret float %cvt } define amdgpu_ps float @v_test_cvt_bf16_f32_s(bfloat inreg %v) { ; GCN-LABEL: v_test_cvt_bf16_f32_s: ; GCN: ; %bb.0: ; GCN-NEXT: s_lshl_b32 s0, s0, 16 ; GCN-NEXT: v_mov_b32_e32 v0, s0 ; GCN-NEXT: ; return to shader part epilog ; ; GFX1250-LABEL: v_test_cvt_bf16_f32_s: ; GFX1250: ; %bb.0: ; GFX1250-NEXT: s_lshl_b32 s0, s0, 16 ; GFX1250-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX1250-NEXT: v_mov_b32_e32 v0, s0 ; GFX1250-NEXT: ; return to shader part epilog %cvt = fpext bfloat %v to float ret float %cvt } define amdgpu_ps float @v_test_cvt_v2f32_v2bf16_v(<2 x float> %src) { ; GFX-942-LABEL: v_test_cvt_v2f32_v2bf16_v: ; GFX-942: ; %bb.0: ; GFX-942-NEXT: v_bfe_u32 v2, v0, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v2, v2, v0, s0 ; GFX-942-NEXT: v_or_b32_e32 v3, 0x400000, v0 ; GFX-942-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v2, v3, vcc ; GFX-942-NEXT: v_bfe_u32 v2, v1, 16, 1 ; GFX-942-NEXT: v_add3_u32 v2, v2, v1, s0 ; GFX-942-NEXT: v_or_b32_e32 v3, 0x400000, v1 ; GFX-942-NEXT: v_cmp_u_f32_e32 vcc, v1, v1 ; GFX-942-NEXT: s_mov_b32 s0, 0x7060302 ; GFX-942-NEXT: s_nop 0 ; GFX-942-NEXT: v_cndmask_b32_e32 v1, v2, v3, vcc ; GFX-942-NEXT: v_perm_b32 v0, v1, v0, s0 ; GFX-942-NEXT: ; return to shader part epilog ; ; GFX-950-LABEL: v_test_cvt_v2f32_v2bf16_v: ; GFX-950: ; %bb.0: ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, v0, v1 ; GFX-950-NEXT: ; return to shader part epilog ; ; GFX1250-LABEL: v_test_cvt_v2f32_v2bf16_v: ; GFX1250: ; %bb.0: ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, v0, v1 ; GFX1250-NEXT: ; return to shader part epilog %res = fptrunc <2 x float> %src to <2 x bfloat> %cast = bitcast <2 x bfloat> %res to float ret float %cast } define amdgpu_ps float @v_test_cvt_v2f32_v2bf16_s(<2 x float> inreg %src) { ; GFX-942-LABEL: v_test_cvt_v2f32_v2bf16_s: ; GFX-942: ; %bb.0: ; GFX-942-NEXT: s_bfe_u32 s2, s1, 0x10010 ; GFX-942-NEXT: s_add_i32 s2, s2, s1 ; GFX-942-NEXT: s_or_b32 s4, s1, 0x400000 ; GFX-942-NEXT: s_add_i32 s5, s2, 0x7fff ; GFX-942-NEXT: v_cmp_u_f32_e64 s[2:3], s1, s1 ; GFX-942-NEXT: s_and_b64 s[2:3], s[2:3], exec ; GFX-942-NEXT: s_cselect_b32 s1, s4, s5 ; GFX-942-NEXT: s_lshr_b32 s2, s1, 16 ; GFX-942-NEXT: s_bfe_u32 s1, s0, 0x10010 ; GFX-942-NEXT: s_add_i32 s1, s1, s0 ; GFX-942-NEXT: s_or_b32 s3, s0, 0x400000 ; GFX-942-NEXT: s_add_i32 s4, s1, 0x7fff ; GFX-942-NEXT: v_cmp_u_f32_e64 s[0:1], s0, s0 ; GFX-942-NEXT: s_and_b64 s[0:1], s[0:1], exec ; GFX-942-NEXT: s_cselect_b32 s0, s3, s4 ; GFX-942-NEXT: s_lshr_b32 s0, s0, 16 ; GFX-942-NEXT: s_pack_ll_b32_b16 s0, s0, s2 ; GFX-942-NEXT: v_mov_b32_e32 v0, s0 ; GFX-942-NEXT: ; return to shader part epilog ; ; GFX-950-LABEL: v_test_cvt_v2f32_v2bf16_s: ; GFX-950: ; %bb.0: ; GFX-950-NEXT: v_mov_b32_e32 v0, s1 ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, s0, v0 ; GFX-950-NEXT: ; return to shader part epilog ; ; GFX1250-LABEL: v_test_cvt_v2f32_v2bf16_s: ; GFX1250: ; %bb.0: ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, s0, s1 ; GFX1250-NEXT: ; return to shader part epilog %res = fptrunc <2 x float> %src to <2 x bfloat> %cast = bitcast <2 x bfloat> %res to float ret float %cast } define amdgpu_ps float @v_test_cvt_f32_bf16_v(float %src) { ; GFX-942-LABEL: v_test_cvt_f32_bf16_v: ; GFX-942: ; %bb.0: ; GFX-942-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v1, v1, v0, s0 ; GFX-942-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX-942-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc ; GFX-942-NEXT: v_and_b32_e32 v0, 0xffff0000, v0 ; GFX-942-NEXT: ; return to shader part epilog ; ; GFX-950-LABEL: v_test_cvt_f32_bf16_v: ; GFX-950: ; %bb.0: ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX-950-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; GFX-950-NEXT: ; return to shader part epilog ; ; GFX1250-LABEL: v_test_cvt_f32_bf16_v: ; GFX1250: ; %bb.0: ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX1250-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; GFX1250-NEXT: ; return to shader part epilog %trunc = fptrunc float %src to bfloat %ext = fpext bfloat %trunc to float ret float %ext } define amdgpu_ps float @v_test_cvt_v2f64_v2bf16_v(<2 x double> %src) { ; GFX-942-LABEL: v_test_cvt_v2f64_v2bf16_v: ; GFX-942: ; %bb.0: ; GFX-942-NEXT: v_cvt_f32_f64_e32 v6, v[0:1] ; GFX-942-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX-942-NEXT: v_and_b32_e32 v7, 1, v6 ; GFX-942-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[0:1]|, |v[4:5]| ; GFX-942-NEXT: v_cmp_nlg_f64_e32 vcc, v[0:1], v[4:5] ; GFX-942-NEXT: v_cmp_eq_u32_e64 s[0:1], 1, v7 ; GFX-942-NEXT: v_cndmask_b32_e64 v4, -1, 1, s[2:3] ; GFX-942-NEXT: v_add_u32_e32 v4, v6, v4 ; GFX-942-NEXT: s_or_b64 vcc, vcc, s[0:1] ; GFX-942-NEXT: v_cndmask_b32_e32 v4, v4, v6, vcc ; GFX-942-NEXT: v_bfe_u32 v5, v4, 16, 1 ; GFX-942-NEXT: s_movk_i32 s4, 0x7fff ; GFX-942-NEXT: v_add3_u32 v5, v5, v4, s4 ; GFX-942-NEXT: v_or_b32_e32 v4, 0x400000, v4 ; GFX-942-NEXT: v_cmp_u_f64_e32 vcc, v[0:1], v[0:1] ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v4, v5, v4, vcc ; GFX-942-NEXT: v_cvt_f32_f64_e32 v5, v[2:3] ; GFX-942-NEXT: v_cvt_f64_f32_e32 v[0:1], v5 ; GFX-942-NEXT: v_and_b32_e32 v6, 1, v5 ; GFX-942-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[2:3]|, |v[0:1]| ; GFX-942-NEXT: v_cmp_nlg_f64_e32 vcc, v[2:3], v[0:1] ; GFX-942-NEXT: v_cmp_eq_u32_e64 s[0:1], 1, v6 ; GFX-942-NEXT: v_cndmask_b32_e64 v0, -1, 1, s[2:3] ; GFX-942-NEXT: v_add_u32_e32 v0, v5, v0 ; GFX-942-NEXT: s_or_b64 vcc, vcc, s[0:1] ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v0, v5, vcc ; GFX-942-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX-942-NEXT: v_add3_u32 v1, v1, v0, s4 ; GFX-942-NEXT: v_or_b32_e32 v0, 0x400000, v0 ; GFX-942-NEXT: v_cmp_u_f64_e32 vcc, v[2:3], v[2:3] ; GFX-942-NEXT: s_mov_b32 s0, 0x7060302 ; GFX-942-NEXT: s_nop 0 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v1, v0, vcc ; GFX-942-NEXT: v_perm_b32 v0, v0, v4, s0 ; GFX-942-NEXT: ; return to shader part epilog ; ; GFX-950-LABEL: v_test_cvt_v2f64_v2bf16_v: ; GFX-950: ; %bb.0: ; GFX-950-NEXT: v_cvt_f32_f64_e32 v6, v[2:3] ; GFX-950-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX-950-NEXT: v_and_b32_e32 v7, 1, v6 ; GFX-950-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[2:3]|, |v[4:5]| ; GFX-950-NEXT: v_cmp_nlg_f64_e32 vcc, v[2:3], v[4:5] ; GFX-950-NEXT: v_cmp_eq_u32_e64 s[0:1], 1, v7 ; GFX-950-NEXT: v_cndmask_b32_e64 v2, -1, 1, s[2:3] ; GFX-950-NEXT: v_add_u32_e32 v2, v6, v2 ; GFX-950-NEXT: s_or_b64 vcc, s[0:1], vcc ; GFX-950-NEXT: v_cvt_f32_f64_e32 v5, v[0:1] ; GFX-950-NEXT: v_cndmask_b32_e32 v4, v2, v6, vcc ; GFX-950-NEXT: v_cvt_f64_f32_e32 v[2:3], v5 ; GFX-950-NEXT: v_and_b32_e32 v6, 1, v5 ; GFX-950-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[0:1]|, |v[2:3]| ; GFX-950-NEXT: v_cmp_nlg_f64_e32 vcc, v[0:1], v[2:3] ; GFX-950-NEXT: v_cmp_eq_u32_e64 s[0:1], 1, v6 ; GFX-950-NEXT: v_cndmask_b32_e64 v0, -1, 1, s[2:3] ; GFX-950-NEXT: v_add_u32_e32 v0, v5, v0 ; GFX-950-NEXT: s_or_b64 vcc, s[0:1], vcc ; GFX-950-NEXT: v_cndmask_b32_e32 v0, v0, v5, vcc ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, v0, v4 ; GFX-950-NEXT: ; return to shader part epilog ; ; GFX1250-LABEL: v_test_cvt_v2f64_v2bf16_v: ; GFX1250: ; %bb.0: ; GFX1250-NEXT: v_cvt_f32_f64_e32 v8, v[2:3] ; GFX1250-NEXT: v_cvt_f32_f64_e32 v9, v[0:1] ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_2) ; GFX1250-NEXT: v_cvt_f64_f32_e32 v[4:5], v8 ; GFX1250-NEXT: v_cvt_f64_f32_e32 v[6:7], v9 ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_1) | instid1(VALU_DEP_3) ; GFX1250-NEXT: v_cmp_gt_f64_e64 s1, |v[2:3]|, |v[4:5]| ; GFX1250-NEXT: v_cmp_nlg_f64_e32 vcc_lo, v[2:3], v[4:5] ; GFX1250-NEXT: v_cmp_nlg_f64_e64 s0, v[0:1], v[6:7] ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(SKIP_1) | instid1(VALU_DEP_2) ; GFX1250-NEXT: v_cndmask_b32_e64 v2, -1, 1, s1 ; GFX1250-NEXT: v_cmp_gt_f64_e64 s1, |v[0:1]|, |v[6:7]| ; GFX1250-NEXT: v_dual_add_nc_u32 v1, v8, v2 :: v_dual_bitop2_b32 v10, 1, v8 bitop3:0x40 ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_1) | instid1(VALU_DEP_3) ; GFX1250-NEXT: v_cndmask_b32_e64 v0, -1, 1, s1 ; GFX1250-NEXT: v_and_b32_e32 v11, 1, v9 ; GFX1250-NEXT: v_cmp_eq_u32_e64 s1, 1, v10 ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_3) ; GFX1250-NEXT: v_add_nc_u32_e32 v0, v9, v0 ; GFX1250-NEXT: v_cmp_eq_u32_e64 s2, 1, v11 ; GFX1250-NEXT: s_or_b32 vcc_lo, s1, vcc_lo ; GFX1250-NEXT: v_cndmask_b32_e32 v1, v1, v8, vcc_lo ; GFX1250-NEXT: s_or_b32 vcc_lo, s2, s0 ; GFX1250-NEXT: v_cndmask_b32_e32 v0, v0, v9, vcc_lo ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, v0, v1 ; GFX1250-NEXT: ; return to shader part epilog %res = fptrunc <2 x double> %src to <2 x bfloat> %cast = bitcast <2 x bfloat> %res to float ret float %cast } define amdgpu_ps float @fptrunc_f32_f32_to_v2bf16(float %a, float %b) { ; GFX-942-LABEL: fptrunc_f32_f32_to_v2bf16: ; GFX-942: ; %bb.0: ; %entry ; GFX-942-NEXT: v_bfe_u32 v2, v0, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v2, v2, v0, s0 ; GFX-942-NEXT: v_or_b32_e32 v3, 0x400000, v0 ; GFX-942-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v2, v3, vcc ; GFX-942-NEXT: v_bfe_u32 v2, v1, 16, 1 ; GFX-942-NEXT: v_add3_u32 v2, v2, v1, s0 ; GFX-942-NEXT: v_or_b32_e32 v3, 0x400000, v1 ; GFX-942-NEXT: v_cmp_u_f32_e32 vcc, v1, v1 ; GFX-942-NEXT: s_mov_b32 s0, 0x7060302 ; GFX-942-NEXT: s_nop 0 ; GFX-942-NEXT: v_cndmask_b32_e32 v1, v2, v3, vcc ; GFX-942-NEXT: v_perm_b32 v0, v1, v0, s0 ; GFX-942-NEXT: ; return to shader part epilog ; ; GFX-950-LABEL: fptrunc_f32_f32_to_v2bf16: ; GFX-950: ; %bb.0: ; %entry ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, v0, v1 ; GFX-950-NEXT: ; return to shader part epilog ; ; GFX1250-LABEL: fptrunc_f32_f32_to_v2bf16: ; GFX1250: ; %bb.0: ; %entry ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, v0, v1 ; GFX1250-NEXT: ; return to shader part epilog entry: %a.cvt = fptrunc float %a to bfloat %b.cvt = fptrunc float %b to bfloat %v2.1 = insertelement <2 x bfloat> poison, bfloat %a.cvt, i32 0 %v2.2 = insertelement <2 x bfloat> %v2.1, bfloat %b.cvt, i32 1 %ret = bitcast <2 x bfloat> %v2.2 to float ret float %ret } define amdgpu_ps float @fptrunc_f32_f32_to_v2bf16_mods(float %a, float %b) { ; GFX-942-LABEL: fptrunc_f32_f32_to_v2bf16_mods: ; GFX-942: ; %bb.0: ; %entry ; GFX-942-NEXT: v_xor_b32_e32 v2, 0x80000000, v0 ; GFX-942-NEXT: v_bfe_u32 v3, v2, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v3, v3, v2, s0 ; GFX-942-NEXT: v_or_b32_e32 v2, 0x400000, v2 ; GFX-942-NEXT: v_cmp_u_f32_e64 vcc, -v0, -v0 ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v3, v2, vcc ; GFX-942-NEXT: v_and_b32_e32 v2, 0x7fffffff, v1 ; GFX-942-NEXT: v_bfe_u32 v3, v2, 16, 1 ; GFX-942-NEXT: v_add3_u32 v3, v3, v2, s0 ; GFX-942-NEXT: v_or_b32_e32 v2, 0x400000, v2 ; GFX-942-NEXT: v_cmp_u_f32_e64 vcc, |v1|, |v1| ; GFX-942-NEXT: s_mov_b32 s0, 0x7060302 ; GFX-942-NEXT: s_nop 0 ; GFX-942-NEXT: v_cndmask_b32_e32 v1, v3, v2, vcc ; GFX-942-NEXT: v_perm_b32 v0, v1, v0, s0 ; GFX-942-NEXT: ; return to shader part epilog ; ; GFX-950-LABEL: fptrunc_f32_f32_to_v2bf16_mods: ; GFX-950: ; %bb.0: ; %entry ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, -v0, |v1| ; GFX-950-NEXT: ; return to shader part epilog ; ; GFX1250-LABEL: fptrunc_f32_f32_to_v2bf16_mods: ; GFX1250: ; %bb.0: ; %entry ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, -v0, |v1| ; GFX1250-NEXT: ; return to shader part epilog entry: %a.neg = fneg float %a %a.cvt = fptrunc float %a.neg to bfloat %b.abs = call float @llvm.fabs.f32(float %b) %b.cvt = fptrunc float %b.abs to bfloat %v2.1 = insertelement <2 x bfloat> poison, bfloat %a.cvt, i32 0 %v2.2 = insertelement <2 x bfloat> %v2.1, bfloat %b.cvt, i32 1 %ret = bitcast <2 x bfloat> %v2.2 to float ret float %ret } define amdgpu_ps void @fptrunc_f32_to_bf16(float %a, ptr %out) { ; GFX-942-LABEL: fptrunc_f32_to_bf16: ; GFX-942: ; %bb.0: ; %entry ; GFX-942-NEXT: v_mov_b32_e32 v3, v2 ; GFX-942-NEXT: v_mov_b32_e32 v2, v1 ; GFX-942-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v1, v1, v0, s0 ; GFX-942-NEXT: v_or_b32_e32 v4, 0x400000, v0 ; GFX-942-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v1, v4, vcc ; GFX-942-NEXT: flat_store_short_d16_hi v[2:3], v0 ; GFX-942-NEXT: s_endpgm ; ; GFX-950-LABEL: fptrunc_f32_to_bf16: ; GFX-950: ; %bb.0: ; %entry ; GFX-950-NEXT: v_mov_b32_e32 v3, v2 ; GFX-950-NEXT: v_mov_b32_e32 v2, v1 ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX-950-NEXT: flat_store_short v[2:3], v0 ; GFX-950-NEXT: s_endpgm ; ; GFX1250-LABEL: fptrunc_f32_to_bf16: ; GFX1250: ; %bb.0: ; %entry ; GFX1250-NEXT: v_dual_mov_b32 v3, v2 :: v_dual_mov_b32 v2, v1 ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX1250-NEXT: flat_store_b16 v[2:3], v0 ; GFX1250-NEXT: s_endpgm entry: %a.cvt = fptrunc float %a to bfloat store bfloat %a.cvt, ptr %out ret void } define amdgpu_ps void @fptrunc_f32_to_bf16_abs(float %a, ptr %out) { ; GFX-942-LABEL: fptrunc_f32_to_bf16_abs: ; GFX-942: ; %bb.0: ; %entry ; GFX-942-NEXT: v_mov_b32_e32 v3, v2 ; GFX-942-NEXT: v_mov_b32_e32 v2, v1 ; GFX-942-NEXT: v_and_b32_e32 v1, 0x7fffffff, v0 ; GFX-942-NEXT: v_bfe_u32 v4, v1, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v4, v4, v1, s0 ; GFX-942-NEXT: v_or_b32_e32 v1, 0x400000, v1 ; GFX-942-NEXT: v_cmp_u_f32_e64 vcc, |v0|, |v0| ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v4, v1, vcc ; GFX-942-NEXT: flat_store_short_d16_hi v[2:3], v0 ; GFX-942-NEXT: s_endpgm ; ; GFX-950-LABEL: fptrunc_f32_to_bf16_abs: ; GFX-950: ; %bb.0: ; %entry ; GFX-950-NEXT: v_mov_b32_e32 v3, v2 ; GFX-950-NEXT: v_mov_b32_e32 v2, v1 ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, |v0|, s0 ; GFX-950-NEXT: flat_store_short v[2:3], v0 ; GFX-950-NEXT: s_endpgm ; ; GFX1250-LABEL: fptrunc_f32_to_bf16_abs: ; GFX1250: ; %bb.0: ; %entry ; GFX1250-NEXT: v_dual_mov_b32 v3, v2 :: v_dual_mov_b32 v2, v1 ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, |v0|, s0 ; GFX1250-NEXT: flat_store_b16 v[2:3], v0 ; GFX1250-NEXT: s_endpgm entry: %a.abs = call float @llvm.fabs.f32(float %a) %a.cvt = fptrunc float %a.abs to bfloat store bfloat %a.cvt, ptr %out ret void } define amdgpu_ps void @fptrunc_f32_to_bf16_neg(float %a, ptr %out) { ; GFX-942-LABEL: fptrunc_f32_to_bf16_neg: ; GFX-942: ; %bb.0: ; %entry ; GFX-942-NEXT: v_mov_b32_e32 v3, v2 ; GFX-942-NEXT: v_mov_b32_e32 v2, v1 ; GFX-942-NEXT: v_xor_b32_e32 v1, 0x80000000, v0 ; GFX-942-NEXT: v_bfe_u32 v4, v1, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v4, v4, v1, s0 ; GFX-942-NEXT: v_or_b32_e32 v1, 0x400000, v1 ; GFX-942-NEXT: v_cmp_u_f32_e64 vcc, -v0, -v0 ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v4, v1, vcc ; GFX-942-NEXT: flat_store_short_d16_hi v[2:3], v0 ; GFX-942-NEXT: s_endpgm ; ; GFX-950-LABEL: fptrunc_f32_to_bf16_neg: ; GFX-950: ; %bb.0: ; %entry ; GFX-950-NEXT: v_mov_b32_e32 v3, v2 ; GFX-950-NEXT: v_mov_b32_e32 v2, v1 ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, -v0, s0 ; GFX-950-NEXT: flat_store_short v[2:3], v0 ; GFX-950-NEXT: s_endpgm ; ; GFX1250-LABEL: fptrunc_f32_to_bf16_neg: ; GFX1250: ; %bb.0: ; %entry ; GFX1250-NEXT: v_dual_mov_b32 v3, v2 :: v_dual_mov_b32 v2, v1 ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, -v0, s0 ; GFX1250-NEXT: flat_store_b16 v[2:3], v0 ; GFX1250-NEXT: s_endpgm entry: %a.neg = fneg float %a %a.cvt = fptrunc float %a.neg to bfloat store bfloat %a.cvt, ptr %out ret void } define amdgpu_ps void @fptrunc_f64_to_bf16(double %a, ptr %out) { ; GFX-942-LABEL: fptrunc_f64_to_bf16: ; GFX-942: ; %bb.0: ; %entry ; GFX-942-NEXT: v_cvt_f32_f64_e32 v6, v[0:1] ; GFX-942-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX-942-NEXT: v_and_b32_e32 v7, 1, v6 ; GFX-942-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[0:1]|, |v[4:5]| ; GFX-942-NEXT: v_cmp_nlg_f64_e32 vcc, v[0:1], v[4:5] ; GFX-942-NEXT: v_cmp_eq_u32_e64 s[0:1], 1, v7 ; GFX-942-NEXT: v_cndmask_b32_e64 v4, -1, 1, s[2:3] ; GFX-942-NEXT: v_add_u32_e32 v4, v6, v4 ; GFX-942-NEXT: s_or_b64 vcc, vcc, s[0:1] ; GFX-942-NEXT: v_cndmask_b32_e32 v4, v4, v6, vcc ; GFX-942-NEXT: v_bfe_u32 v5, v4, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v5, v5, v4, s0 ; GFX-942-NEXT: v_or_b32_e32 v4, 0x400000, v4 ; GFX-942-NEXT: v_cmp_u_f64_e32 vcc, v[0:1], v[0:1] ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v5, v4, vcc ; GFX-942-NEXT: flat_store_short_d16_hi v[2:3], v0 ; GFX-942-NEXT: s_endpgm ; ; GFX-950-LABEL: fptrunc_f64_to_bf16: ; GFX-950: ; %bb.0: ; %entry ; GFX-950-NEXT: v_cvt_f32_f64_e32 v6, v[0:1] ; GFX-950-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX-950-NEXT: v_and_b32_e32 v7, 1, v6 ; GFX-950-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[0:1]|, |v[4:5]| ; GFX-950-NEXT: v_cmp_nlg_f64_e32 vcc, v[0:1], v[4:5] ; GFX-950-NEXT: v_cmp_eq_u32_e64 s[0:1], 1, v7 ; GFX-950-NEXT: v_cndmask_b32_e64 v0, -1, 1, s[2:3] ; GFX-950-NEXT: v_add_u32_e32 v0, v6, v0 ; GFX-950-NEXT: s_or_b64 vcc, vcc, s[0:1] ; GFX-950-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX-950-NEXT: flat_store_short v[2:3], v0 ; GFX-950-NEXT: s_endpgm ; ; GFX1250-LABEL: fptrunc_f64_to_bf16: ; GFX1250: ; %bb.0: ; %entry ; GFX1250-NEXT: v_cvt_f32_f64_e32 v6, v[0:1] ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX1250-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX1250-NEXT: v_cmp_gt_f64_e64 s0, |v[0:1]|, |v[4:5]| ; GFX1250-NEXT: v_cmp_nlg_f64_e32 vcc_lo, v[0:1], v[4:5] ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX1250-NEXT: v_cndmask_b32_e64 v0, -1, 1, s0 ; GFX1250-NEXT: v_dual_add_nc_u32 v0, v6, v0 :: v_dual_bitop2_b32 v7, 1, v6 bitop3:0x40 ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_2) | instid1(VALU_DEP_1) ; GFX1250-NEXT: v_cmp_eq_u32_e64 s0, 1, v7 ; GFX1250-NEXT: s_or_b32 vcc_lo, vcc_lo, s0 ; GFX1250-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc_lo ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX1250-NEXT: flat_store_b16 v[2:3], v0 ; GFX1250-NEXT: s_endpgm entry: %a.cvt = fptrunc double %a to bfloat store bfloat %a.cvt, ptr %out ret void } define amdgpu_ps void @fptrunc_f64_to_bf16_neg(double %a, ptr %out) { ; GFX-942-LABEL: fptrunc_f64_to_bf16_neg: ; GFX-942: ; %bb.0: ; %entry ; GFX-942-NEXT: v_cvt_f32_f64_e64 v6, -v[0:1] ; GFX-942-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX-942-NEXT: v_and_b32_e32 v7, 1, v6 ; GFX-942-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[0:1]|, |v[4:5]| ; GFX-942-NEXT: v_cmp_nlg_f64_e64 s[0:1], -v[0:1], v[4:5] ; GFX-942-NEXT: v_cmp_eq_u32_e32 vcc, 1, v7 ; GFX-942-NEXT: v_cndmask_b32_e64 v4, -1, 1, s[2:3] ; GFX-942-NEXT: v_add_u32_e32 v4, v6, v4 ; GFX-942-NEXT: s_or_b64 vcc, s[0:1], vcc ; GFX-942-NEXT: v_cndmask_b32_e32 v4, v4, v6, vcc ; GFX-942-NEXT: v_bfe_u32 v5, v4, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v5, v5, v4, s0 ; GFX-942-NEXT: v_or_b32_e32 v4, 0x400000, v4 ; GFX-942-NEXT: v_cmp_u_f64_e64 vcc, -v[0:1], -v[0:1] ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v5, v4, vcc ; GFX-942-NEXT: flat_store_short_d16_hi v[2:3], v0 ; GFX-942-NEXT: s_endpgm ; ; GFX-950-LABEL: fptrunc_f64_to_bf16_neg: ; GFX-950: ; %bb.0: ; %entry ; GFX-950-NEXT: v_cvt_f32_f64_e64 v6, -v[0:1] ; GFX-950-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX-950-NEXT: v_and_b32_e32 v7, 1, v6 ; GFX-950-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[0:1]|, |v[4:5]| ; GFX-950-NEXT: v_cmp_nlg_f64_e64 s[0:1], -v[0:1], v[4:5] ; GFX-950-NEXT: v_cmp_eq_u32_e32 vcc, 1, v7 ; GFX-950-NEXT: v_cndmask_b32_e64 v0, -1, 1, s[2:3] ; GFX-950-NEXT: v_add_u32_e32 v0, v6, v0 ; GFX-950-NEXT: s_or_b64 vcc, s[0:1], vcc ; GFX-950-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX-950-NEXT: flat_store_short v[2:3], v0 ; GFX-950-NEXT: s_endpgm ; ; GFX1250-LABEL: fptrunc_f64_to_bf16_neg: ; GFX1250: ; %bb.0: ; %entry ; GFX1250-NEXT: v_cvt_f32_f64_e64 v6, -v[0:1] ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX1250-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX1250-NEXT: v_cmp_gt_f64_e64 s1, |v[0:1]|, |v[4:5]| ; GFX1250-NEXT: v_cmp_nlg_f64_e64 s0, -v[0:1], v[4:5] ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX1250-NEXT: v_cndmask_b32_e64 v0, -1, 1, s1 ; GFX1250-NEXT: v_dual_add_nc_u32 v0, v6, v0 :: v_dual_bitop2_b32 v7, 1, v6 bitop3:0x40 ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_1) | instid1(VALU_DEP_2) ; GFX1250-NEXT: v_cmp_eq_u32_e32 vcc_lo, 1, v7 ; GFX1250-NEXT: s_or_b32 vcc_lo, s0, vcc_lo ; GFX1250-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc_lo ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX1250-NEXT: flat_store_b16 v[2:3], v0 ; GFX1250-NEXT: s_endpgm entry: %a.neg = fneg double %a %a.cvt = fptrunc double %a.neg to bfloat store bfloat %a.cvt, ptr %out ret void } define amdgpu_ps void @fptrunc_f64_to_bf16_abs(double %a, ptr %out) { ; GFX-942-LABEL: fptrunc_f64_to_bf16_abs: ; GFX-942: ; %bb.0: ; %entry ; GFX-942-NEXT: v_cvt_f32_f64_e64 v6, |v[0:1]| ; GFX-942-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX-942-NEXT: v_and_b32_e32 v7, 1, v6 ; GFX-942-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[0:1]|, |v[4:5]| ; GFX-942-NEXT: v_cmp_nlg_f64_e64 s[0:1], |v[0:1]|, v[4:5] ; GFX-942-NEXT: v_cmp_eq_u32_e32 vcc, 1, v7 ; GFX-942-NEXT: v_cndmask_b32_e64 v4, -1, 1, s[2:3] ; GFX-942-NEXT: v_add_u32_e32 v4, v6, v4 ; GFX-942-NEXT: s_or_b64 vcc, s[0:1], vcc ; GFX-942-NEXT: v_cndmask_b32_e32 v4, v4, v6, vcc ; GFX-942-NEXT: v_bfe_u32 v5, v4, 16, 1 ; GFX-942-NEXT: s_movk_i32 s0, 0x7fff ; GFX-942-NEXT: v_add3_u32 v5, v5, v4, s0 ; GFX-942-NEXT: v_or_b32_e32 v4, 0x400000, v4 ; GFX-942-NEXT: v_cmp_u_f64_e64 vcc, |v[0:1]|, |v[0:1]| ; GFX-942-NEXT: s_nop 1 ; GFX-942-NEXT: v_cndmask_b32_e32 v0, v5, v4, vcc ; GFX-942-NEXT: flat_store_short_d16_hi v[2:3], v0 ; GFX-942-NEXT: s_endpgm ; ; GFX-950-LABEL: fptrunc_f64_to_bf16_abs: ; GFX-950: ; %bb.0: ; %entry ; GFX-950-NEXT: v_cvt_f32_f64_e64 v6, |v[0:1]| ; GFX-950-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX-950-NEXT: v_and_b32_e32 v7, 1, v6 ; GFX-950-NEXT: v_cmp_gt_f64_e64 s[2:3], |v[0:1]|, |v[4:5]| ; GFX-950-NEXT: v_cmp_nlg_f64_e64 s[0:1], |v[0:1]|, v[4:5] ; GFX-950-NEXT: v_cmp_eq_u32_e32 vcc, 1, v7 ; GFX-950-NEXT: v_cndmask_b32_e64 v0, -1, 1, s[2:3] ; GFX-950-NEXT: v_add_u32_e32 v0, v6, v0 ; GFX-950-NEXT: s_or_b64 vcc, s[0:1], vcc ; GFX-950-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc ; GFX-950-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX-950-NEXT: flat_store_short v[2:3], v0 ; GFX-950-NEXT: s_endpgm ; ; GFX1250-LABEL: fptrunc_f64_to_bf16_abs: ; GFX1250: ; %bb.0: ; %entry ; GFX1250-NEXT: v_cvt_f32_f64_e64 v6, |v[0:1]| ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX1250-NEXT: v_cvt_f64_f32_e32 v[4:5], v6 ; GFX1250-NEXT: v_cmp_gt_f64_e64 s1, |v[0:1]|, |v[4:5]| ; GFX1250-NEXT: v_cmp_nlg_f64_e64 s0, |v[0:1]|, v[4:5] ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX1250-NEXT: v_cndmask_b32_e64 v0, -1, 1, s1 ; GFX1250-NEXT: v_dual_add_nc_u32 v0, v6, v0 :: v_dual_bitop2_b32 v7, 1, v6 bitop3:0x40 ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_1) | instid1(VALU_DEP_2) ; GFX1250-NEXT: v_cmp_eq_u32_e32 vcc_lo, 1, v7 ; GFX1250-NEXT: s_or_b32 vcc_lo, s0, vcc_lo ; GFX1250-NEXT: v_cndmask_b32_e32 v0, v0, v6, vcc_lo ; GFX1250-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX1250-NEXT: v_cvt_pk_bf16_f32 v0, v0, s0 ; GFX1250-NEXT: flat_store_b16 v[2:3], v0 ; GFX1250-NEXT: s_endpgm entry: %a.abs = call double @llvm.fabs.f64(double %a) %a.cvt = fptrunc double %a.abs to bfloat store bfloat %a.cvt, ptr %out ret void } declare float @llvm.fabs.f32(float) declare double @llvm.fabs.f64(double)