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[AMDGPU] Add support forv_sqrt_bf16 on gfx1250#148921

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shiltian merged 1 commit intomainfromusers/shiltian/v_sqrt_bf16
Jul 15, 2025

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@shiltianshiltian commentedJul 15, 2025
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Co-authored-by: Mekhanoshin, StanislavStanislav.Mekhanoshin@amd.com

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shiltian commentedJul 15, 2025
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@llvmbotllvmbot added backend:AMDGPU mcMachine (object) code labelsJul 15, 2025
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llvmbot commentedJul 15, 2025
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@llvm/pr-subscribers-mc

@llvm/pr-subscribers-backend-amdgpu

Author: Shilei Tian (shiltian)

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Co-authored-by: Mekhanoshin, Stanislav <Stanislav.Mekhanoshin@amd.com>


Patch is 70.29 KiB, truncated to 20.00 KiB below, full version:https://github.com/llvm/llvm-project/pull/148921.diff

22 Files Affected:

  • (modified) llvm/lib/Target/AMDGPU/SIISelLowering.cpp (+4)
  • (modified) llvm/lib/Target/AMDGPU/VOP1Instructions.td (+2)
  • (added) llvm/test/CodeGen/AMDGPU/llvm.amdgcn.sqrt.bf16.ll (+33)
  • (added) llvm/test/CodeGen/AMDGPU/llvm.sqrt.bf16.ll (+106)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop1-fake16.s (+45)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop1.s (+48)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16-fake16.s (+56)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16.s (+60)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp8-fake16.s (+12)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp8.s (+16)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop3_from_vop1-fake16.s (+45)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop3_from_vop1.s (+48)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop3_from_vop1_dpp16-fake16.s (+56)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop3_from_vop1_dpp16.s (+60)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop3_from_vop1_dpp8-fake16.s (+16)
  • (modified) llvm/test/MC/AMDGPU/gfx1250_asm_vop3_from_vop1_dpp8.s (+20)
  • (modified) llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop1.txt (+63)
  • (modified) llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop1_dpp16.txt (+59)
  • (modified) llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop1_dpp8.txt (+16)
  • (modified) llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop3_from_vop1.txt (+64)
  • (modified) llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop3_from_vop1_dpp16.txt (+60)
  • (modified) llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop3_from_vop1_dpp8.txt (+20)
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cppindex 6cf2055c8e565..e2acde04f35e5 100644--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp@@ -938,6 +938,10 @@ SITargetLowering::SITargetLowering(const TargetMachine &TM,     setOperationAction(ISD::BUILD_VECTOR, MVT::v2bf16, Legal);   }+  if (Subtarget->hasBF16TransInsts()) {+    setOperationAction({ISD::FEXP2, ISD::FLOG2, ISD::FSQRT}, MVT::bf16, Legal);+  }+   if (Subtarget->hasCvtPkF16F32Inst()) {     setOperationAction(ISD::FP_ROUND,                        {MVT::v2f16, MVT::v4f16, MVT::v8f16, MVT::v16f16},diff --git a/llvm/lib/Target/AMDGPU/VOP1Instructions.td b/llvm/lib/Target/AMDGPU/VOP1Instructions.tdindex 28f239ba8c396..e2f371079179d 100644--- a/llvm/lib/Target/AMDGPU/VOP1Instructions.td+++ b/llvm/lib/Target/AMDGPU/VOP1Instructions.td@@ -530,6 +530,7 @@ defm V_COS_F16 : VOP1Inst_t16 <"v_cos_f16", VOP_F16_F16, AMDGPUcos>; let SubtargetPredicate = HasBF16TransInsts in { defm V_TANH_BF16 : VOP1Inst_t16 <"v_tanh_bf16", VOP_BF16_BF16, int_amdgcn_tanh>; defm V_RCP_BF16  : VOP1Inst_t16 <"v_rcp_bf16",  VOP_BF16_BF16, AMDGPUrcp>;+defm V_SQRT_BF16 : VOP1Inst_t16 <"v_sqrt_bf16", VOP_BF16_BF16, any_amdgcn_sqrt>; } } // End TRANS = 1, SchedRW = [WriteTrans32] defm V_FREXP_MANT_F16 : VOP1Inst_t16 <"v_frexp_mant_f16", VOP_F16_F16, int_amdgcn_frexp_mant>;@@ -1139,6 +1140,7 @@ defm V_CVT_PK_F16_BF8        : VOP1_Real_FULL_t16_and_fake16_gfx1250<0x076>; defm V_CVT_F16_FP8           : VOP1_Real_FULL_t16_and_fake16_gfx1250<0x077>; defm V_CVT_F16_BF8           : VOP1_Real_FULL_t16_and_fake16_gfx1250<0x078>; defm V_RCP_BF16              : VOP1_Real_FULL_t16_and_fake16_gfx1250<0x079>;+defm V_SQRT_BF16             : VOP1_Real_FULL_t16_and_fake16_gfx1250<0x07a>;  //===----------------------------------------------------------------------===// // GFX10.diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.sqrt.bf16.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.sqrt.bf16.llnew file mode 100644index 0000000000000..5287b5dba848f--- /dev/null+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.sqrt.bf16.ll@@ -0,0 +1,33 @@+; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1250 < %s | FileCheck -check-prefixes=GCN %s+; xUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1250 < %s | FileCheck -check-prefix=GCN %s++; FIXME: GlobalISel does not work with bf16++declare bfloat @llvm.amdgcn.sqrt.bf16(bfloat) #0++; GCN-LABEL: {{^}}sqrt_bf16:+; GCN: v_sqrt_bf16_e32 {{v[0-9]+}}, {{s[0-9]+}}+define amdgpu_kernel void @sqrt_bf16(ptr addrspace(1) %out, bfloat %src) #1 {+  %sqrt = call bfloat @llvm.amdgcn.sqrt.bf16(bfloat %src) #0+  store bfloat %sqrt, ptr addrspace(1) %out, align 2+  ret void+}++; GCN-LABEL: {{^}}sqrt_bf16_constant_4+; GCN: v_sqrt_bf16_e32 v0, 4.0+define amdgpu_kernel void @sqrt_bf16_constant_4(ptr addrspace(1) %out) #1 {+  %sqrt = call bfloat @llvm.amdgcn.sqrt.bf16(bfloat 4.0) #0+  store bfloat %sqrt, ptr addrspace(1) %out, align 2+  ret void+}++; GCN-LABEL: {{^}}sqrt_bf16_constant_100+; GCN: v_sqrt_bf16_e32 {{v[0-9]+}}, 0x42c8+define amdgpu_kernel void @sqrt_bf16_constant_100(ptr addrspace(1) %out) #1 {+  %sqrt = call bfloat @llvm.amdgcn.sqrt.bf16(bfloat 100.0) #0+  store bfloat %sqrt, ptr addrspace(1) %out, align 2+  ret void+}++attributes #0 = { nounwind readnone }+attributes #1 = { nounwind }diff --git a/llvm/test/CodeGen/AMDGPU/llvm.sqrt.bf16.ll b/llvm/test/CodeGen/AMDGPU/llvm.sqrt.bf16.llnew file mode 100644index 0000000000000..5936d6aa86b82--- /dev/null+++ b/llvm/test/CodeGen/AMDGPU/llvm.sqrt.bf16.ll@@ -0,0 +1,106 @@+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5+; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -mattr=+real-true16 -mattr=-flat-for-global < %s | FileCheck -check-prefixes=GFX12-TRUE16 %s+; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -mattr=-real-true16 -mattr=-flat-for-global < %s | FileCheck -check-prefixes=GFX12-FAKE16 %s++; FIXME: t16 doesn't work at the moment because the store of s16 under t16 mode fails to select.++declare bfloat @llvm.sqrt.bf16(bfloat %a)+declare <2 x bfloat> @llvm.sqrt.v2bf16(<2 x bfloat> %a)++define amdgpu_kernel void @sqrt_bf16(ptr addrspace(1) %r, ptr addrspace(1) %a) {+; GFX12-TRUE16-LABEL: sqrt_bf16:+; GFX12-TRUE16:       ; %bb.0: ; %entry+; GFX12-TRUE16-NEXT:    s_load_b128 s[0:3], s[4:5], 0x0+; GFX12-TRUE16-NEXT:    s_mov_b32 s6, -1+; GFX12-TRUE16-NEXT:    s_mov_b32 s7, 0x31016000+; GFX12-TRUE16-NEXT:    s_mov_b32 s10, s6+; GFX12-TRUE16-NEXT:    s_mov_b32 s11, s7+; GFX12-TRUE16-NEXT:    s_wait_kmcnt 0x0+; GFX12-TRUE16-NEXT:    s_mov_b32 s8, s2+; GFX12-TRUE16-NEXT:    s_mov_b32 s9, s3+; GFX12-TRUE16-NEXT:    s_mov_b32 s4, s0+; GFX12-TRUE16-NEXT:    buffer_load_u16 v0, off, s[8:11], null+; GFX12-TRUE16-NEXT:    s_mov_b32 s5, s1+; GFX12-TRUE16-NEXT:    s_wait_loadcnt 0x0+; GFX12-TRUE16-NEXT:    v_sqrt_bf16_e32 v0.l, v0.l+; GFX12-TRUE16-NEXT:    buffer_store_b16 v0, off, s[4:7], null+; GFX12-TRUE16-NEXT:    s_endpgm+;+; GFX12-FAKE16-LABEL: sqrt_bf16:+; GFX12-FAKE16:       ; %bb.0: ; %entry+; GFX12-FAKE16-NEXT:    s_load_b128 s[0:3], s[4:5], 0x0+; GFX12-FAKE16-NEXT:    s_mov_b32 s6, -1+; GFX12-FAKE16-NEXT:    s_mov_b32 s7, 0x31016000+; GFX12-FAKE16-NEXT:    s_mov_b32 s10, s6+; GFX12-FAKE16-NEXT:    s_mov_b32 s11, s7+; GFX12-FAKE16-NEXT:    s_wait_kmcnt 0x0+; GFX12-FAKE16-NEXT:    s_mov_b32 s8, s2+; GFX12-FAKE16-NEXT:    s_mov_b32 s9, s3+; GFX12-FAKE16-NEXT:    s_mov_b32 s4, s0+; GFX12-FAKE16-NEXT:    buffer_load_u16 v0, off, s[8:11], null+; GFX12-FAKE16-NEXT:    s_mov_b32 s5, s1+; GFX12-FAKE16-NEXT:    s_wait_loadcnt 0x0+; GFX12-FAKE16-NEXT:    v_sqrt_bf16_e32 v0, v0+; GFX12-FAKE16-NEXT:    buffer_store_b16 v0, off, s[4:7], null+; GFX12-FAKE16-NEXT:    s_endpgm+entry:+  %a.val = load bfloat, ptr addrspace(1) %a+  %r.val = call bfloat @llvm.sqrt.bf16(bfloat %a.val)+  store bfloat %r.val, ptr addrspace(1) %r+  ret void+}++define amdgpu_kernel void @sqrt_v2bf16(ptr addrspace(1) %r, ptr addrspace(1) %a) {+; GFX12-TRUE16-LABEL: sqrt_v2bf16:+; GFX12-TRUE16:       ; %bb.0: ; %entry+; GFX12-TRUE16-NEXT:    s_load_b128 s[0:3], s[4:5], 0x0+; GFX12-TRUE16-NEXT:    s_mov_b32 s6, -1+; GFX12-TRUE16-NEXT:    s_mov_b32 s7, 0x31016000+; GFX12-TRUE16-NEXT:    s_mov_b32 s10, s6+; GFX12-TRUE16-NEXT:    s_mov_b32 s11, s7+; GFX12-TRUE16-NEXT:    s_wait_kmcnt 0x0+; GFX12-TRUE16-NEXT:    s_mov_b32 s8, s2+; GFX12-TRUE16-NEXT:    s_mov_b32 s9, s3+; GFX12-TRUE16-NEXT:    s_mov_b32 s4, s0+; GFX12-TRUE16-NEXT:    buffer_load_b32 v0, off, s[8:11], null+; GFX12-TRUE16-NEXT:    s_mov_b32 s5, s1+; GFX12-TRUE16-NEXT:    s_wait_loadcnt 0x0+; GFX12-TRUE16-NEXT:    v_sqrt_bf16_e32 v1.l, v0.l+; GFX12-TRUE16-NEXT:    v_lshrrev_b32_e32 v0, 16, v0+; GFX12-TRUE16-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(TRANS32_DEP_2)+; GFX12-TRUE16-NEXT:    v_sqrt_bf16_e32 v0.l, v0.l+; GFX12-TRUE16-NEXT:    v_and_b32_e32 v1, 0xffff, v1+; GFX12-TRUE16-NEXT:    s_delay_alu instid0(TRANS32_DEP_1) | instid1(VALU_DEP_1)+; GFX12-TRUE16-NEXT:    v_lshl_or_b32 v0, v0, 16, v1+; GFX12-TRUE16-NEXT:    buffer_store_b32 v0, off, s[4:7], null+; GFX12-TRUE16-NEXT:    s_endpgm+;+; GFX12-FAKE16-LABEL: sqrt_v2bf16:+; GFX12-FAKE16:       ; %bb.0: ; %entry+; GFX12-FAKE16-NEXT:    s_load_b128 s[0:3], s[4:5], 0x0+; GFX12-FAKE16-NEXT:    s_mov_b32 s6, -1+; GFX12-FAKE16-NEXT:    s_mov_b32 s7, 0x31016000+; GFX12-FAKE16-NEXT:    s_mov_b32 s10, s6+; GFX12-FAKE16-NEXT:    s_mov_b32 s11, s7+; GFX12-FAKE16-NEXT:    s_wait_kmcnt 0x0+; GFX12-FAKE16-NEXT:    s_mov_b32 s8, s2+; GFX12-FAKE16-NEXT:    s_mov_b32 s9, s3+; GFX12-FAKE16-NEXT:    s_mov_b32 s4, s0+; GFX12-FAKE16-NEXT:    buffer_load_b32 v0, off, s[8:11], null+; GFX12-FAKE16-NEXT:    s_mov_b32 s5, s1+; GFX12-FAKE16-NEXT:    s_wait_loadcnt 0x0+; GFX12-FAKE16-NEXT:    v_sqrt_bf16_e32 v1, v0+; GFX12-FAKE16-NEXT:    v_lshrrev_b32_e32 v0, 16, v0+; GFX12-FAKE16-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(TRANS32_DEP_2)+; GFX12-FAKE16-NEXT:    v_sqrt_bf16_e32 v0, v0+; GFX12-FAKE16-NEXT:    v_and_b32_e32 v1, 0xffff, v1+; GFX12-FAKE16-NEXT:    s_delay_alu instid0(TRANS32_DEP_1) | instid1(VALU_DEP_1)+; GFX12-FAKE16-NEXT:    v_lshl_or_b32 v0, v0, 16, v1+; GFX12-FAKE16-NEXT:    buffer_store_b32 v0, off, s[4:7], null+; GFX12-FAKE16-NEXT:    s_endpgm+entry:+  %a.val = load <2 x bfloat>, ptr addrspace(1) %a+  %r.val = call <2 x bfloat> @llvm.sqrt.v2bf16(<2 x bfloat> %a.val)+  store <2 x bfloat> %r.val, ptr addrspace(1) %r+  ret void+}diff --git a/llvm/test/MC/AMDGPU/gfx1250_asm_vop1-fake16.s b/llvm/test/MC/AMDGPU/gfx1250_asm_vop1-fake16.sindex ce8f54a7ef9fc..c587b66e65011 100644--- a/llvm/test/MC/AMDGPU/gfx1250_asm_vop1-fake16.s+++ b/llvm/test/MC/AMDGPU/gfx1250_asm_vop1-fake16.s@@ -118,6 +118,51 @@ v_rcp_bf16 v5, src_scc v_rcp_bf16 v127, 0x8000 // GFX1250: v_rcp_bf16_e32 v127, 0x8000             ; encoding: [0xff,0xf2,0xfe,0x7e,0x00,0x80,0x00,0x00]+v_sqrt_bf16 v5, v1+// GFX1250: v_sqrt_bf16_e32 v5, v1                  ; encoding: [0x01,0xf5,0x0a,0x7e]++v_sqrt_bf16 v5, v127+// GFX1250: v_sqrt_bf16_e32 v5, v127                ; encoding: [0x7f,0xf5,0x0a,0x7e]++v_sqrt_bf16 v5, s1+// GFX1250: v_sqrt_bf16_e32 v5, s1                  ; encoding: [0x01,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, s105+// GFX1250: v_sqrt_bf16_e32 v5, s105                ; encoding: [0x69,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, vcc_lo+// GFX1250: v_sqrt_bf16_e32 v5, vcc_lo              ; encoding: [0x6a,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, vcc_hi+// GFX1250: v_sqrt_bf16_e32 v5, vcc_hi              ; encoding: [0x6b,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, ttmp15+// GFX1250: v_sqrt_bf16_e32 v5, ttmp15              ; encoding: [0x7b,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, m0+// GFX1250: v_sqrt_bf16_e32 v5, m0                  ; encoding: [0x7d,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, exec_lo+// GFX1250: v_sqrt_bf16_e32 v5, exec_lo             ; encoding: [0x7e,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, exec_hi+// GFX1250: v_sqrt_bf16_e32 v5, exec_hi             ; encoding: [0x7f,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, null+// GFX1250: v_sqrt_bf16_e32 v5, null                ; encoding: [0x7c,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, -1+// GFX1250: v_sqrt_bf16_e32 v5, -1                  ; encoding: [0xc1,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, 0.5+// GFX1250: v_sqrt_bf16_e32 v5, 0.5                 ; encoding: [0xf0,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, src_scc+// GFX1250: v_sqrt_bf16_e32 v5, src_scc             ; encoding: [0xfd,0xf4,0x0a,0x7e]++v_sqrt_bf16 v127, 0x8000+// GFX1250: v_sqrt_bf16_e32 v127, 0x8000            ; encoding: [0xff,0xf4,0xfe,0x7e,0x00,0x80,0x00,0x00]+ v_cvt_f32_bf16 v5, v1 // GFX1250: v_cvt_f32_bf16_e32 v5, v1               ; encoding: [0x01,0xe5,0x0a,0x7e]diff --git a/llvm/test/MC/AMDGPU/gfx1250_asm_vop1.s b/llvm/test/MC/AMDGPU/gfx1250_asm_vop1.sindex 7001a1f1c4622..719eb3abc02a3 100644--- a/llvm/test/MC/AMDGPU/gfx1250_asm_vop1.s+++ b/llvm/test/MC/AMDGPU/gfx1250_asm_vop1.s@@ -124,6 +124,54 @@ v_rcp_bf16 v127, 0x8000 v_rcp_bf16 v5.h, v1.h // GFX1250: v_rcp_bf16_e32 v5.h, v1.h               ; encoding: [0x81,0xf3,0x0a,0x7f]+v_sqrt_bf16 v5, v1+// GFX1250: v_sqrt_bf16_e32 v5, v1                  ; encoding: [0x01,0xf5,0x0a,0x7e]++v_sqrt_bf16 v5, v127+// GFX1250: v_sqrt_bf16_e32 v5, v127                ; encoding: [0x7f,0xf5,0x0a,0x7e]++v_sqrt_bf16 v5, s1+// GFX1250: v_sqrt_bf16_e32 v5, s1                  ; encoding: [0x01,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, s105+// GFX1250: v_sqrt_bf16_e32 v5, s105                ; encoding: [0x69,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, vcc_lo+// GFX1250: v_sqrt_bf16_e32 v5, vcc_lo              ; encoding: [0x6a,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, vcc_hi+// GFX1250: v_sqrt_bf16_e32 v5, vcc_hi              ; encoding: [0x6b,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, ttmp15+// GFX1250: v_sqrt_bf16_e32 v5, ttmp15              ; encoding: [0x7b,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, m0+// GFX1250: v_sqrt_bf16_e32 v5, m0                  ; encoding: [0x7d,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, exec_lo+// GFX1250: v_sqrt_bf16_e32 v5, exec_lo             ; encoding: [0x7e,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, exec_hi+// GFX1250: v_sqrt_bf16_e32 v5, exec_hi             ; encoding: [0x7f,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, null+// GFX1250: v_sqrt_bf16_e32 v5, null                ; encoding: [0x7c,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, -1+// GFX1250: v_sqrt_bf16_e32 v5, -1                  ; encoding: [0xc1,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, 0.5+// GFX1250: v_sqrt_bf16_e32 v5, 0.5                 ; encoding: [0xf0,0xf4,0x0a,0x7e]++v_sqrt_bf16 v5, src_scc+// GFX1250: v_sqrt_bf16_e32 v5, src_scc             ; encoding: [0xfd,0xf4,0x0a,0x7e]++v_sqrt_bf16 v127, 0x8000+// GFX1250: v_sqrt_bf16_e32 v127, 0x8000            ; encoding: [0xff,0xf4,0xfe,0x7e,0x00,0x80,0x00,0x00]++v_sqrt_bf16 v5.h, v1.h+// GFX1250: v_sqrt_bf16_e32 v5.h, v1.h              ; encoding: [0x81,0xf5,0x0a,0x7f]+ v_cvt_f32_bf16 v5, v1 // GFX1250: v_cvt_f32_bf16_e32 v5, v1               ; encoding: [0x01,0xe5,0x0a,0x7e]diff --git a/llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16-fake16.s b/llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16-fake16.sindex 3de8fc29bb01a..44859fcffe223 100644--- a/llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16-fake16.s+++ b/llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16-fake16.s@@ -114,6 +114,62 @@ v_rcp_bf16 v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi // GFX1250: v_rcp_bf16_dpp v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0xf2,0xfe,0x7e,0x7f,0x6f,0x35,0x30] // GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU+v_sqrt_bf16 v5, v1 quad_perm:[3,2,1,0]+// GFX1250: v_sqrt_bf16_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x1b,0x00,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 quad_perm:[0,1,2,3]+// GFX1250: v_sqrt_bf16_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0xe4,0x00,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_mirror+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x40,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_half_mirror+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x41,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_shl:1+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x01,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_shl:15+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x0f,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_shr:1+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x11,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_shr:15+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x1f,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_ror:1+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x21,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_ror:15+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x2f,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_share:0 row_mask:0xf bank_mask:0xf+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x50,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x5f,0x01,0x01]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x60,0x09,0x13]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1+// GFX1250: v_sqrt_bf16_dpp v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0xf4,0xfe,0x7e,0x7f,0x6f,0x35,0x30]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU+ v_cvt_f32_bf16 v5, v1 quad_perm:[3,2,1,0] // GFX1250: v_cvt_f32_bf16_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xe4,0x0a,0x7e,0x01,0x1b,0x00,0xff] // GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPUdiff --git a/llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16.s b/llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16.sindex 4632b1574731b..8fef387700972 100644--- a/llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16.s+++ b/llvm/test/MC/AMDGPU/gfx1250_asm_vop1_dpp16.s@@ -122,6 +122,66 @@ v_rcp_bf16 v5.h, v1.h quad_perm:[3,2,1,0] // GFX1250: v_rcp_bf16_dpp v5.h, v1.h quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf2,0x0a,0x7f,0x81,0x1b,0x00,0xff] // GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU+v_sqrt_bf16 v5, v1 quad_perm:[3,2,1,0]+// GFX1250: v_sqrt_bf16_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x1b,0x00,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 quad_perm:[0,1,2,3]+// GFX1250: v_sqrt_bf16_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0xe4,0x00,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_mirror+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x40,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_half_mirror+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x41,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_shl:1+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x01,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_shl:15+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x0f,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_shr:1+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x11,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_shr:15+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x1f,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_ror:1+// GFX1250: v_sqrt_bf16_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xf4,0x0a,0x7e,0x01,0x21,0x01,0xff]+// GFX12-ERR: :[[@LINE-2]]:1: error: instruction not supported on this GPU++v_sqrt_bf16 v5, v1 row_ror:15+// GFX1250: v_sqrt_bf16_dpp v5...[truncated]

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shiltian commentedJul 15, 2025
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  • Jul 15, 7:58 PM UTC: A user started a stack merge that includes this pull request viaGraphite.
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@shiltianshiltianforce-pushed theusers/shiltian/v_rcp_bf16 branch 4 times, most recently from66e5246 to64c8a0eCompareJuly 15, 2025 20:09
Base automatically changed fromusers/shiltian/v_rcp_bf16 tomainJuly 15, 2025 20:12
@shiltianshiltianforce-pushed theusers/shiltian/v_sqrt_bf16 branch from6893db6 to328ec73CompareJuly 15, 2025 20:13
@shiltianshiltian merged commit23ac7b9 intomainJul 15, 2025
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@shiltianshiltian deleted the users/shiltian/v_sqrt_bf16 branchJuly 15, 2025 20:15
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