[llvm] Fix legalizing `FNEG` and `FABS` with `TypeSoftPromoteHalf` (PR #156343)
via llvm-commits
llvm-commits at lists.llvm.org
Mon Sep 1 09:28:30 PDT 2025
https://github.com/beetrees updated https://github.com/llvm/llvm-project/pull/156343
>From 813b6a133086e4badd3c33cff664d1fa97b19ab5 Mon Sep 17 00:00:00 2001
From: beetrees <b at beetr.ee>
Date: Mon, 1 Sep 2025 16:18:01 +0100
Subject: [PATCH] Fix legalizing `FNEG` and `FABS` with `TypeSoftPromoteHalf`
---
.../SelectionDAG/LegalizeFloatTypes.cpp | 26 +-
llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h | 2 +
llvm/test/CodeGen/AMDGPU/bf16.ll | 32 +-
llvm/test/CodeGen/AMDGPU/fabs.bf16.ll | 48 ++-
llvm/test/CodeGen/AMDGPU/fneg-fabs.bf16.ll | 151 +++------
llvm/test/CodeGen/AMDGPU/fneg.bf16.ll | 85 +++--
llvm/test/CodeGen/ARM/fp16-promote.ll | 50 +--
llvm/test/CodeGen/Generic/half-neg-abs.ll | 75 +++++
llvm/test/CodeGen/RISCV/half-arith.ll | 300 +++++++-----------
llvm/test/CodeGen/Thumb2/mve-vabd.ll | 44 +--
10 files changed, 346 insertions(+), 467 deletions(-)
create mode 100644 llvm/test/CodeGen/Generic/half-neg-abs.ll
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
index 83bb1dfe86c6a..d8933826ebb05 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
@@ -3313,7 +3313,6 @@ void DAGTypeLegalizer::SoftPromoteHalfResult(SDNode *N, unsigned ResNo) {
case ISD::FP_ROUND: R = SoftPromoteHalfRes_FP_ROUND(N); break;
// Unary FP Operations
- case ISD::FABS:
case ISD::FACOS:
case ISD::FASIN:
case ISD::FATAN:
@@ -3329,7 +3328,6 @@ void DAGTypeLegalizer::SoftPromoteHalfResult(SDNode *N, unsigned ResNo) {
case ISD::FLOG2:
case ISD::FLOG10:
case ISD::FNEARBYINT:
- case ISD::FNEG:
case ISD::FREEZE:
case ISD::FRINT:
case ISD::FROUND:
@@ -3341,6 +3339,12 @@ void DAGTypeLegalizer::SoftPromoteHalfResult(SDNode *N, unsigned ResNo) {
case ISD::FTAN:
case ISD::FTANH:
case ISD::FCANONICALIZE: R = SoftPromoteHalfRes_UnaryOp(N); break;
+ case ISD::FABS:
+ R = SoftPromoteHalfRes_FABS(N);
+ break;
+ case ISD::FNEG:
+ R = SoftPromoteHalfRes_FNEG(N);
+ break;
case ISD::AssertNoFPClass:
R = SoftPromoteHalfRes_AssertNoFPClass(N);
break;
@@ -3670,6 +3674,24 @@ SDValue DAGTypeLegalizer::SoftPromoteHalfRes_UnaryOp(SDNode *N) {
return DAG.getNode(GetPromotionOpcode(NVT, OVT), dl, MVT::i16, Res);
}
+SDValue DAGTypeLegalizer::SoftPromoteHalfRes_FABS(SDNode *N) {
+ SDValue Op = GetSoftPromotedHalf(N->getOperand(0));
+ SDLoc dl(N);
+
+ // Clear the sign bit.
+ return DAG.getNode(ISD::AND, dl, MVT::i16, Op,
+ DAG.getConstant(0x7fff, dl, MVT::i16));
+}
+
+SDValue DAGTypeLegalizer::SoftPromoteHalfRes_FNEG(SDNode *N) {
+ SDValue Op = GetSoftPromotedHalf(N->getOperand(0));
+ SDLoc dl(N);
+
+ // Invert the sign bit.
+ return DAG.getNode(ISD::XOR, dl, MVT::i16, Op,
+ DAG.getConstant(0x8000, dl, MVT::i16));
+}
+
SDValue DAGTypeLegalizer::SoftPromoteHalfRes_AssertNoFPClass(SDNode *N) {
return GetSoftPromotedHalf(N->getOperand(0));
}
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
index 65fd863e55ac9..8f0915139f6dd 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
@@ -830,6 +830,8 @@ class LLVM_LIBRARY_VISIBILITY DAGTypeLegalizer {
SDValue SoftPromoteHalfRes_SELECT(SDNode *N);
SDValue SoftPromoteHalfRes_SELECT_CC(SDNode *N);
SDValue SoftPromoteHalfRes_UnaryOp(SDNode *N);
+ SDValue SoftPromoteHalfRes_FABS(SDNode *N);
+ SDValue SoftPromoteHalfRes_FNEG(SDNode *N);
SDValue SoftPromoteHalfRes_AssertNoFPClass(SDNode *N);
SDValue SoftPromoteHalfRes_XINT_TO_FP(SDNode *N);
SDValue SoftPromoteHalfRes_UNDEF(SDNode *N);
diff --git a/llvm/test/CodeGen/AMDGPU/bf16.ll b/llvm/test/CodeGen/AMDGPU/bf16.ll
index 10e523d1a0cf1..e4a5e0b6dfde1 100644
--- a/llvm/test/CodeGen/AMDGPU/bf16.ll
+++ b/llvm/test/CodeGen/AMDGPU/bf16.ll
@@ -19846,18 +19846,14 @@ define bfloat @v_fabs_bf16(bfloat %a) {
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_mul_f32_e32 v0, 1.0, v0
-; GCN-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; GCN-NEXT: v_and_b32_e32 v0, 0x7fffffff, v0
-; GCN-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
+; GCN-NEXT: v_and_b32_e32 v0, 0x7fff0000, v0
; GCN-NEXT: s_setpc_b64 s[30:31]
;
; GFX7-LABEL: v_fabs_bf16:
; GFX7: ; %bb.0:
; GFX7-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-NEXT: v_mul_f32_e32 v0, 1.0, v0
-; GFX7-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; GFX7-NEXT: v_and_b32_e32 v0, 0x7fffffff, v0
-; GFX7-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
+; GFX7-NEXT: v_and_b32_e32 v0, 0x7fff0000, v0
; GFX7-NEXT: s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_fabs_bf16:
@@ -20040,10 +20036,7 @@ define bfloat @v_fneg_fabs_bf16(bfloat %a) {
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_mul_f32_e32 v0, 1.0, v0
; GCN-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; GCN-NEXT: v_and_b32_e32 v0, 0x7fffffff, v0
-; GCN-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; GCN-NEXT: v_xor_b32_e32 v0, 0x80000000, v0
-; GCN-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
+; GCN-NEXT: v_or_b32_e32 v0, 0x80000000, v0
; GCN-NEXT: s_setpc_b64 s[30:31]
;
; GFX7-LABEL: v_fneg_fabs_bf16:
@@ -20051,10 +20044,7 @@ define bfloat @v_fneg_fabs_bf16(bfloat %a) {
; GFX7-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-NEXT: v_mul_f32_e32 v0, 1.0, v0
; GFX7-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; GFX7-NEXT: v_and_b32_e32 v0, 0x7fffffff, v0
-; GFX7-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; GFX7-NEXT: v_xor_b32_e32 v0, 0x80000000, v0
-; GFX7-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
+; GFX7-NEXT: v_or_b32_e32 v0, 0x80000000, v0
; GFX7-NEXT: s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_fneg_fabs_bf16:
@@ -20096,23 +20086,17 @@ define amdgpu_ps i32 @s_fneg_fabs_bf16(bfloat inreg %a) {
; GCN-LABEL: s_fneg_fabs_bf16:
; GCN: ; %bb.0:
; GCN-NEXT: v_mul_f32_e64 v0, 1.0, s0
+; GCN-NEXT: v_lshrrev_b32_e32 v0, 16, v0
+; GCN-NEXT: v_or_b32_e32 v0, 0x8000, v0
; GCN-NEXT: v_readfirstlane_b32 s0, v0
-; GCN-NEXT: s_and_b32 s0, s0, 0xffff0000
-; GCN-NEXT: s_bitset0_b32 s0, 31
-; GCN-NEXT: s_and_b32 s0, s0, 0xffff0000
-; GCN-NEXT: s_xor_b32 s0, s0, 0x80000000
-; GCN-NEXT: s_lshr_b32 s0, s0, 16
; GCN-NEXT: ; return to shader part epilog
;
; GFX7-LABEL: s_fneg_fabs_bf16:
; GFX7: ; %bb.0:
; GFX7-NEXT: v_mul_f32_e64 v0, 1.0, s0
+; GFX7-NEXT: v_lshrrev_b32_e32 v0, 16, v0
+; GFX7-NEXT: v_or_b32_e32 v0, 0x8000, v0
; GFX7-NEXT: v_readfirstlane_b32 s0, v0
-; GFX7-NEXT: s_and_b32 s0, s0, 0xffff0000
-; GFX7-NEXT: s_bitset0_b32 s0, 31
-; GFX7-NEXT: s_and_b32 s0, s0, 0xffff0000
-; GFX7-NEXT: s_xor_b32 s0, s0, 0x80000000
-; GFX7-NEXT: s_lshr_b32 s0, s0, 16
; GFX7-NEXT: ; return to shader part epilog
;
; GFX8-LABEL: s_fneg_fabs_bf16:
diff --git a/llvm/test/CodeGen/AMDGPU/fabs.bf16.ll b/llvm/test/CodeGen/AMDGPU/fabs.bf16.ll
index d8f81db70e309..3b2340e06bf6b 100644
--- a/llvm/test/CodeGen/AMDGPU/fabs.bf16.ll
+++ b/llvm/test/CodeGen/AMDGPU/fabs.bf16.ll
@@ -218,19 +218,11 @@ define amdgpu_kernel void @s_fabs_v4bf16(ptr addrspace(1) %out, <4 x bfloat> %in
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: s_and_b32 s4, s3, 0xffff0000
-; CI-NEXT: s_lshl_b32 s3, s3, 16
-; CI-NEXT: s_and_b32 s5, s2, 0xffff0000
-; CI-NEXT: v_mul_f32_e64 v0, 1.0, |s4|
-; CI-NEXT: v_mul_f32_e64 v1, 1.0, |s3|
-; CI-NEXT: v_mul_f32_e64 v2, 1.0, |s5|
-; CI-NEXT: v_lshrrev_b32_e32 v0, 16, v0
-; CI-NEXT: s_lshl_b32 s2, s2, 16
-; CI-NEXT: v_alignbit_b32 v1, v0, v1, 16
-; CI-NEXT: v_lshrrev_b32_e32 v0, 16, v2
-; CI-NEXT: v_mul_f32_e64 v2, 1.0, |s2|
-; CI-NEXT: v_alignbit_b32 v0, v0, v2, 16
+; CI-NEXT: s_and_b32 s3, s3, 0x7fff7fff
+; CI-NEXT: s_and_b32 s2, s2, 0x7fff7fff
; CI-NEXT: v_mov_b32_e32 v3, s1
+; CI-NEXT: v_mov_b32_e32 v0, s2
+; CI-NEXT: v_mov_b32_e32 v1, s3
; CI-NEXT: v_mov_b32_e32 v2, s0
; CI-NEXT: flat_store_dwordx2 v[2:3], v[0:1]
; CI-NEXT: s_endpgm
@@ -537,16 +529,15 @@ define amdgpu_kernel void @v_fabs_fold_self_v2bf16(ptr addrspace(1) %out, ptr ad
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
; CI-NEXT: s_waitcnt vmcnt(0)
-; CI-NEXT: v_and_b32_e32 v3, 0xffff0000, v2
-; CI-NEXT: v_lshlrev_b32_e32 v2, 16, v2
-; CI-NEXT: v_mul_f32_e64 v4, 1.0, |v3|
-; CI-NEXT: v_mul_f32_e64 v5, 1.0, |v2|
-; CI-NEXT: v_and_b32_e32 v4, 0xffff0000, v4
-; CI-NEXT: v_and_b32_e32 v5, 0xffff0000, v5
-; CI-NEXT: v_mul_f32_e32 v3, v4, v3
-; CI-NEXT: v_mul_f32_e32 v2, v5, v2
-; CI-NEXT: v_lshrrev_b32_e32 v3, 16, v3
-; CI-NEXT: v_alignbit_b32 v2, v3, v2, 16
+; CI-NEXT: v_and_b32_e32 v3, 0x7fff, v2
+; CI-NEXT: v_lshlrev_b32_e32 v4, 16, v2
+; CI-NEXT: v_and_b32_e32 v5, 0xffff0000, v2
+; CI-NEXT: v_and_b32_e32 v2, 0x7fff0000, v2
+; CI-NEXT: v_lshlrev_b32_e32 v3, 16, v3
+; CI-NEXT: v_mul_f32_e32 v2, v2, v5
+; CI-NEXT: v_mul_f32_e32 v3, v3, v4
+; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v2
+; CI-NEXT: v_alignbit_b32 v2, v2, v3, 16
; CI-NEXT: flat_store_dword v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -900,16 +891,13 @@ define amdgpu_kernel void @v_extract_fabs_fold_v2bf16(ptr addrspace(1) %in) #0 {
; CI-NEXT: v_addc_u32_e32 v1, vcc, 0, v1, vcc
; CI-NEXT: flat_load_dword v0, v[0:1]
; CI-NEXT: s_waitcnt vmcnt(0)
-; CI-NEXT: v_lshlrev_b32_e32 v1, 16, v0
-; CI-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; CI-NEXT: v_mul_f32_e64 v1, 1.0, |v1|
-; CI-NEXT: v_mul_f32_e64 v0, 1.0, |v0|
-; CI-NEXT: v_and_b32_e32 v1, 0xffff0000, v1
-; CI-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; CI-NEXT: v_mul_f32_e32 v1, 4.0, v1
+; CI-NEXT: v_and_b32_e32 v1, 0x7fff, v0
+; CI-NEXT: v_and_b32_e32 v0, 0x7fff0000, v0
+; CI-NEXT: v_lshlrev_b32_e32 v1, 16, v1
; CI-NEXT: v_add_f32_e32 v0, 2.0, v0
-; CI-NEXT: v_lshrrev_b32_e32 v1, 16, v1
+; CI-NEXT: v_mul_f32_e32 v1, 4.0, v1
; CI-NEXT: v_lshrrev_b32_e32 v0, 16, v0
+; CI-NEXT: v_lshrrev_b32_e32 v1, 16, v1
; CI-NEXT: flat_store_short v[0:1], v1
; CI-NEXT: s_waitcnt vmcnt(0)
; CI-NEXT: flat_store_short v[0:1], v0
diff --git a/llvm/test/CodeGen/AMDGPU/fneg-fabs.bf16.ll b/llvm/test/CodeGen/AMDGPU/fneg-fabs.bf16.ll
index 64a9727330cfd..76da0aaf251b2 100644
--- a/llvm/test/CodeGen/AMDGPU/fneg-fabs.bf16.ll
+++ b/llvm/test/CodeGen/AMDGPU/fneg-fabs.bf16.ll
@@ -107,12 +107,10 @@ define amdgpu_kernel void @fneg_fabs_fmul_bf16(ptr addrspace(1) %out, bfloat %x,
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: s_and_b32 s3, s2, 0x7fff
-; CI-NEXT: s_lshl_b32 s3, s3, 16
-; CI-NEXT: v_mul_f32_e64 v0, -1.0, s3
+; CI-NEXT: s_lshl_b32 s3, s2, 16
; CI-NEXT: s_and_b32 s2, s2, 0xffff0000
-; CI-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; CI-NEXT: v_mul_f32_e32 v0, s2, v0
+; CI-NEXT: v_mov_b32_e32 v0, s3
+; CI-NEXT: v_mul_f32_e64 v0, s2, -|v0|
; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v0
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
@@ -204,12 +202,10 @@ define amdgpu_kernel void @fneg_fabs_free_bf16(ptr addrspace(1) %out, i16 %in) {
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: s_and_b32 s2, s2, 0x7fff
-; CI-NEXT: s_lshl_b32 s2, s2, 16
-; CI-NEXT: v_mul_f32_e64 v0, -1.0, s2
-; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v0
+; CI-NEXT: s_bitset1_b32 s2, 15
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
+; CI-NEXT: v_mov_b32_e32 v2, s2
; CI-NEXT: flat_store_short v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -279,12 +275,10 @@ define amdgpu_kernel void @fneg_fabs_bf16(ptr addrspace(1) %out, bfloat %in) {
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: s_and_b32 s2, s2, 0x7fff
-; CI-NEXT: s_lshl_b32 s2, s2, 16
-; CI-NEXT: v_mul_f32_e64 v0, -1.0, s2
-; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v0
+; CI-NEXT: s_bitset1_b32 s2, 15
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
+; CI-NEXT: v_mov_b32_e32 v2, s2
; CI-NEXT: flat_store_short v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -345,43 +339,22 @@ define amdgpu_kernel void @fneg_fabs_bf16(ptr addrspace(1) %out, bfloat %in) {
}
define amdgpu_kernel void @v_fneg_fabs_bf16(ptr addrspace(1) %out, ptr addrspace(1) %in) {
-; CI-LABEL: v_fneg_fabs_bf16:
-; CI: ; %bb.0:
-; CI-NEXT: s_load_dwordx4 s[0:3], s[8:9], 0x0
-; CI-NEXT: s_add_i32 s12, s12, s17
-; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
-; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
-; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: v_mov_b32_e32 v0, s2
-; CI-NEXT: v_mov_b32_e32 v1, s3
-; CI-NEXT: flat_load_ushort v2, v[0:1]
-; CI-NEXT: v_mov_b32_e32 v0, s0
-; CI-NEXT: v_mov_b32_e32 v1, s1
-; CI-NEXT: s_waitcnt vmcnt(0)
-; CI-NEXT: v_lshlrev_b32_e32 v2, 16, v2
-; CI-NEXT: v_mul_f32_e64 v2, 1.0, |v2|
-; CI-NEXT: v_and_b32_e32 v2, 0xffff0000, v2
-; CI-NEXT: v_xor_b32_e32 v2, 0x80000000, v2
-; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v2
-; CI-NEXT: flat_store_short v[0:1], v2
-; CI-NEXT: s_endpgm
-;
-; VI-LABEL: v_fneg_fabs_bf16:
-; VI: ; %bb.0:
-; VI-NEXT: s_load_dwordx4 s[0:3], s[8:9], 0x0
-; VI-NEXT: s_add_i32 s12, s12, s17
-; VI-NEXT: s_mov_b32 flat_scratch_lo, s13
-; VI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
-; VI-NEXT: s_waitcnt lgkmcnt(0)
-; VI-NEXT: v_mov_b32_e32 v0, s2
-; VI-NEXT: v_mov_b32_e32 v1, s3
-; VI-NEXT: flat_load_ushort v2, v[0:1]
-; VI-NEXT: v_mov_b32_e32 v0, s0
-; VI-NEXT: v_mov_b32_e32 v1, s1
-; VI-NEXT: s_waitcnt vmcnt(0)
-; VI-NEXT: v_or_b32_e32 v2, 0x8000, v2
-; VI-NEXT: flat_store_short v[0:1], v2
-; VI-NEXT: s_endpgm
+; CIVI-LABEL: v_fneg_fabs_bf16:
+; CIVI: ; %bb.0:
+; CIVI-NEXT: s_load_dwordx4 s[0:3], s[8:9], 0x0
+; CIVI-NEXT: s_add_i32 s12, s12, s17
+; CIVI-NEXT: s_mov_b32 flat_scratch_lo, s13
+; CIVI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
+; CIVI-NEXT: s_waitcnt lgkmcnt(0)
+; CIVI-NEXT: v_mov_b32_e32 v0, s2
+; CIVI-NEXT: v_mov_b32_e32 v1, s3
+; CIVI-NEXT: flat_load_ushort v2, v[0:1]
+; CIVI-NEXT: v_mov_b32_e32 v0, s0
+; CIVI-NEXT: v_mov_b32_e32 v1, s1
+; CIVI-NEXT: s_waitcnt vmcnt(0)
+; CIVI-NEXT: v_or_b32_e32 v2, 0x8000, v2
+; CIVI-NEXT: flat_store_short v[0:1], v2
+; CIVI-NEXT: s_endpgm
;
; GFX9-LABEL: v_fneg_fabs_bf16:
; GFX9: ; %bb.0:
@@ -431,21 +404,13 @@ define amdgpu_kernel void @s_fneg_fabs_v2bf16_non_bc_src(ptr addrspace(1) %out,
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: s_and_b32 s3, s2, 0xffff0000
-; CI-NEXT: s_lshl_b32 s2, s2, 16
-; CI-NEXT: v_add_f32_e64 v0, s3, 2.0
-; CI-NEXT: v_add_f32_e64 v1, s2, 1.0
-; CI-NEXT: v_readfirstlane_b32 s2, v0
+; CI-NEXT: s_lshl_b32 s3, s2, 16
; CI-NEXT: s_and_b32 s2, s2, 0xffff0000
-; CI-NEXT: v_and_b32_e32 v1, 0xffff0000, v1
-; CI-NEXT: s_bitset0_b32 s2, 31
-; CI-NEXT: v_and_b32_e32 v0, 0x7fffffff, v1
-; CI-NEXT: s_and_b32 s2, s2, 0xffff0000
-; CI-NEXT: s_xor_b32 s2, s2, 0x80000000
-; CI-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; CI-NEXT: s_lshr_b32 s2, s2, 16
-; CI-NEXT: v_xor_b32_e32 v0, 0x80000000, v0
-; CI-NEXT: v_alignbit_b32 v2, s2, v0, 16
+; CI-NEXT: v_add_f32_e64 v1, s2, 2.0
+; CI-NEXT: v_add_f32_e64 v0, s3, 1.0
+; CI-NEXT: v_lshrrev_b32_e32 v1, 16, v1
+; CI-NEXT: v_alignbit_b32 v0, v1, v0, 16
+; CI-NEXT: v_or_b32_e32 v2, 0x80008000, v0
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
; CI-NEXT: flat_store_dword v[0:1], v2
@@ -566,15 +531,10 @@ define amdgpu_kernel void @s_fneg_fabs_v2bf16_bc_src(ptr addrspace(1) %out, <2 x
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: s_and_b32 s3, s2, 0x7fff
-; CI-NEXT: s_and_b32 s2, s2, 0x7fff0000
-; CI-NEXT: v_mul_f32_e64 v0, -1.0, s2
-; CI-NEXT: s_lshl_b32 s2, s3, 16
-; CI-NEXT: v_lshrrev_b32_e32 v0, 16, v0
-; CI-NEXT: v_mul_f32_e64 v1, -1.0, s2
-; CI-NEXT: v_alignbit_b32 v2, v0, v1, 16
+; CI-NEXT: s_or_b32 s2, s2, 0x80008000
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
+; CI-NEXT: v_mov_b32_e32 v2, s2
; CI-NEXT: flat_store_dword v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -629,27 +589,11 @@ define amdgpu_kernel void @fneg_fabs_v4bf16(ptr addrspace(1) %out, <4 x bfloat>
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: s_lshl_b32 s4, s2, 16
-; CI-NEXT: s_and_b32 s2, s2, 0xffff0000
-; CI-NEXT: v_mul_f32_e64 v2, 1.0, |s2|
-; CI-NEXT: s_and_b32 s2, s3, 0xffff0000
-; CI-NEXT: s_lshl_b32 s5, s3, 16
-; CI-NEXT: v_mul_f32_e64 v3, 1.0, |s2|
-; CI-NEXT: v_mul_f32_e64 v0, 1.0, |s4|
-; CI-NEXT: v_mul_f32_e64 v1, 1.0, |s5|
-; CI-NEXT: v_and_b32_e32 v3, 0xffff0000, v3
-; CI-NEXT: v_and_b32_e32 v2, 0xffff0000, v2
-; CI-NEXT: v_xor_b32_e32 v3, 0x80000000, v3
-; CI-NEXT: v_and_b32_e32 v1, 0xffff0000, v1
-; CI-NEXT: v_xor_b32_e32 v2, 0x80000000, v2
-; CI-NEXT: v_and_b32_e32 v0, 0xffff0000, v0
-; CI-NEXT: v_lshrrev_b32_e32 v3, 16, v3
-; CI-NEXT: v_xor_b32_e32 v1, 0x80000000, v1
-; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v2
-; CI-NEXT: v_xor_b32_e32 v0, 0x80000000, v0
-; CI-NEXT: v_alignbit_b32 v1, v3, v1, 16
-; CI-NEXT: v_alignbit_b32 v0, v2, v0, 16
+; CI-NEXT: s_or_b32 s3, s3, 0x80008000
+; CI-NEXT: s_or_b32 s2, s2, 0x80008000
; CI-NEXT: v_mov_b32_e32 v3, s1
+; CI-NEXT: v_mov_b32_e32 v0, s2
+; CI-NEXT: v_mov_b32_e32 v1, s3
; CI-NEXT: v_mov_b32_e32 v2, s0
; CI-NEXT: flat_store_dwordx2 v[2:3], v[0:1]
; CI-NEXT: s_endpgm
@@ -860,21 +804,20 @@ define amdgpu_kernel void @s_fneg_multi_use_fabs_v2bf16(ptr addrspace(1) %out0,
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: v_mov_b32_e32 v1, s1
-; CI-NEXT: v_mov_b32_e32 v2, s2
-; CI-NEXT: s_and_b32 s1, s4, 0x7fff
-; CI-NEXT: s_and_b32 s2, s4, 0x7fff0000
-; CI-NEXT: v_mul_f32_e64 v4, -1.0, s2
-; CI-NEXT: s_lshl_b32 s1, s1, 16
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: s_and_b32 s0, s4, 0x7fff7fff
-; CI-NEXT: v_lshrrev_b32_e32 v4, 16, v4
-; CI-NEXT: v_mul_f32_e64 v5, -1.0, s1
-; CI-NEXT: v_alignbit_b32 v4, v4, v5, 16
-; CI-NEXT: v_mov_b32_e32 v5, s0
+; CI-NEXT: v_mov_b32_e32 v2, s2
+; CI-NEXT: s_or_b32 s2, s0, 0x8000
+; CI-NEXT: v_mov_b32_e32 v1, s1
+; CI-NEXT: s_and_b32 s1, s4, 0x7fff0000
+; CI-NEXT: s_and_b32 s2, s2, 0xffff
+; CI-NEXT: s_or_b32 s1, s1, s2
+; CI-NEXT: s_bitset1_b32 s1, 31
+; CI-NEXT: v_mov_b32_e32 v4, s0
; CI-NEXT: v_mov_b32_e32 v3, s3
-; CI-NEXT: flat_store_dword v[0:1], v5
-; CI-NEXT: flat_store_dword v[2:3], v4
+; CI-NEXT: flat_store_dword v[0:1], v4
+; CI-NEXT: v_mov_b32_e32 v0, s1
+; CI-NEXT: flat_store_dword v[2:3], v0
; CI-NEXT: s_endpgm
;
; VI-LABEL: s_fneg_multi_use_fabs_v2bf16:
@@ -1086,5 +1029,3 @@ declare <4 x bfloat> @llvm.fabs.v4bf16(<4 x bfloat>) #1
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }
-;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
-; CIVI: {{.*}}
diff --git a/llvm/test/CodeGen/AMDGPU/fneg.bf16.ll b/llvm/test/CodeGen/AMDGPU/fneg.bf16.ll
index d232693b46ad9..98044a72870fb 100644
--- a/llvm/test/CodeGen/AMDGPU/fneg.bf16.ll
+++ b/llvm/test/CodeGen/AMDGPU/fneg.bf16.ll
@@ -14,11 +14,10 @@ define amdgpu_kernel void @s_fneg_bf16(ptr addrspace(1) %out, bfloat %in) #0 {
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: s_lshl_b32 s2, s2, 16
-; CI-NEXT: v_mul_f32_e64 v0, -1.0, s2
-; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v0
+; CI-NEXT: s_xor_b32 s2, s2, 0x8000
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
+; CI-NEXT: v_mov_b32_e32 v2, s2
; CI-NEXT: flat_store_short v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -93,9 +92,7 @@ define amdgpu_kernel void @v_fneg_bf16(ptr addrspace(1) %out, ptr addrspace(1) %
; CI-NEXT: v_addc_u32_e32 v1, vcc, 0, v1, vcc
; CI-NEXT: flat_load_ushort v2, v[0:1]
; CI-NEXT: s_waitcnt vmcnt(0)
-; CI-NEXT: v_lshlrev_b32_e32 v2, 16, v2
-; CI-NEXT: v_mul_f32_e32 v2, -1.0, v2
-; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v2
+; CI-NEXT: v_xor_b32_e32 v2, 0x8000, v2
; CI-NEXT: flat_store_short v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -170,11 +167,10 @@ define amdgpu_kernel void @s_fneg_free_bf16(ptr addrspace(1) %out, i16 %in) #0 {
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
-; CI-NEXT: s_lshl_b32 s2, s2, 16
-; CI-NEXT: v_mul_f32_e64 v0, -1.0, s2
-; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v0
+; CI-NEXT: s_xor_b32 s2, s2, 0x8000
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
+; CI-NEXT: v_mov_b32_e32 v2, s2
; CI-NEXT: flat_store_short v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -248,9 +244,9 @@ define amdgpu_kernel void @v_fneg_fold_bf16(ptr addrspace(1) %out, ptr addrspace
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
; CI-NEXT: s_waitcnt vmcnt(0)
+; CI-NEXT: v_xor_b32_e32 v3, 0x8000, v2
; CI-NEXT: v_lshlrev_b32_e32 v2, 16, v2
-; CI-NEXT: v_mul_f32_e32 v3, -1.0, v2
-; CI-NEXT: v_and_b32_e32 v3, 0xffff0000, v3
+; CI-NEXT: v_lshlrev_b32_e32 v3, 16, v3
; CI-NEXT: v_mul_f32_e32 v2, v3, v2
; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v2
; CI-NEXT: flat_store_short v[0:1], v2
@@ -365,13 +361,13 @@ define amdgpu_kernel void @s_fneg_v2bf16(ptr addrspace(1) %out, <2 x bfloat> %in
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
; CI-NEXT: s_and_b32 s3, s2, 0xffff0000
-; CI-NEXT: s_lshl_b32 s2, s2, 16
-; CI-NEXT: v_mul_f32_e64 v0, -1.0, s3
-; CI-NEXT: v_mul_f32_e64 v1, -1.0, s2
-; CI-NEXT: v_lshrrev_b32_e32 v0, 16, v0
-; CI-NEXT: v_alignbit_b32 v2, v0, v1, 16
+; CI-NEXT: s_xor_b32 s2, s2, 0x8000
+; CI-NEXT: s_and_b32 s2, s2, 0xffff
+; CI-NEXT: s_or_b32 s2, s2, s3
+; CI-NEXT: s_add_i32 s2, s2, 0x80000000
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
+; CI-NEXT: v_mov_b32_e32 v2, s2
; CI-NEXT: flat_store_dword v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -426,16 +422,16 @@ define amdgpu_kernel void @s_fneg_v2bf16_nonload(ptr addrspace(1) %out) #0 {
; CI-NEXT: ; def s2
; CI-NEXT: ;;#ASMEND
; CI-NEXT: s_and_b32 s3, s2, 0xffff0000
-; CI-NEXT: v_mul_f32_e64 v0, -1.0, s3
-; CI-NEXT: s_lshl_b32 s2, s2, 16
-; CI-NEXT: v_lshrrev_b32_e32 v0, 16, v0
-; CI-NEXT: v_mul_f32_e64 v1, -1.0, s2
-; CI-NEXT: v_alignbit_b32 v2, v0, v1, 16
+; CI-NEXT: s_xor_b32 s2, s2, 0x8000
+; CI-NEXT: s_and_b32 s2, s2, 0xffff
+; CI-NEXT: s_or_b32 s2, s2, s3
+; CI-NEXT: s_add_i32 s2, s2, 0x80000000
; CI-NEXT: s_waitcnt lgkmcnt(0)
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: s_mov_b32 flat_scratch_lo, s13
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: v_mov_b32_e32 v1, s1
+; CI-NEXT: v_mov_b32_e32 v2, s2
; CI-NEXT: flat_store_dword v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -501,13 +497,11 @@ define amdgpu_kernel void @v_fneg_v2bf16(ptr addrspace(1) %out, ptr addrspace(1)
; CI-NEXT: v_add_i32_e32 v0, vcc, s0, v0
; CI-NEXT: v_addc_u32_e32 v1, vcc, 0, v1, vcc
; CI-NEXT: flat_load_dword v2, v[0:1]
+; CI-NEXT: s_mov_b32 s0, 0xffff
; CI-NEXT: s_waitcnt vmcnt(0)
-; CI-NEXT: v_and_b32_e32 v3, 0xffff0000, v2
-; CI-NEXT: v_lshlrev_b32_e32 v2, 16, v2
-; CI-NEXT: v_mul_f32_e32 v3, -1.0, v3
-; CI-NEXT: v_lshrrev_b32_e32 v3, 16, v3
-; CI-NEXT: v_mul_f32_e32 v2, -1.0, v2
-; CI-NEXT: v_alignbit_b32 v2, v3, v2, 16
+; CI-NEXT: v_xor_b32_e32 v3, 0x8000, v2
+; CI-NEXT: v_bfi_b32 v2, s0, v3, v2
+; CI-NEXT: v_add_i32_e32 v2, vcc, 0x80000000, v2
; CI-NEXT: flat_store_dword v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -570,13 +564,13 @@ define amdgpu_kernel void @fneg_free_v2bf16(ptr addrspace(1) %out, i32 %in) #0 {
; CI-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; CI-NEXT: s_waitcnt lgkmcnt(0)
; CI-NEXT: s_and_b32 s3, s2, 0xffff0000
-; CI-NEXT: s_lshl_b32 s2, s2, 16
-; CI-NEXT: v_mul_f32_e64 v0, -1.0, s3
-; CI-NEXT: v_mul_f32_e64 v1, -1.0, s2
-; CI-NEXT: v_lshrrev_b32_e32 v0, 16, v0
-; CI-NEXT: v_alignbit_b32 v2, v0, v1, 16
+; CI-NEXT: s_xor_b32 s2, s2, 0x8000
+; CI-NEXT: s_and_b32 s2, s2, 0xffff
+; CI-NEXT: s_or_b32 s2, s2, s3
+; CI-NEXT: s_add_i32 s2, s2, 0x80000000
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
+; CI-NEXT: v_mov_b32_e32 v2, s2
; CI-NEXT: flat_store_dword v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -637,16 +631,14 @@ define amdgpu_kernel void @v_fneg_fold_v2bf16(ptr addrspace(1) %out, ptr addrspa
; CI-NEXT: v_mov_b32_e32 v0, s0
; CI-NEXT: v_mov_b32_e32 v1, s1
; CI-NEXT: s_waitcnt vmcnt(0)
-; CI-NEXT: v_and_b32_e32 v3, 0xffff0000, v2
-; CI-NEXT: v_lshlrev_b32_e32 v2, 16, v2
-; CI-NEXT: v_mul_f32_e32 v4, -1.0, v3
-; CI-NEXT: v_mul_f32_e32 v5, -1.0, v2
-; CI-NEXT: v_and_b32_e32 v4, 0xffff0000, v4
-; CI-NEXT: v_and_b32_e32 v5, 0xffff0000, v5
-; CI-NEXT: v_mul_f32_e32 v3, v4, v3
-; CI-NEXT: v_mul_f32_e32 v2, v5, v2
-; CI-NEXT: v_lshrrev_b32_e32 v3, 16, v3
-; CI-NEXT: v_alignbit_b32 v2, v3, v2, 16
+; CI-NEXT: v_xor_b32_e32 v3, 0x8000, v2
+; CI-NEXT: v_lshlrev_b32_e32 v4, 16, v2
+; CI-NEXT: v_and_b32_e32 v2, 0xffff0000, v2
+; CI-NEXT: v_lshlrev_b32_e32 v3, 16, v3
+; CI-NEXT: v_mul_f32_e64 v2, -v2, v2
+; CI-NEXT: v_mul_f32_e32 v3, v3, v4
+; CI-NEXT: v_lshrrev_b32_e32 v2, 16, v2
+; CI-NEXT: v_alignbit_b32 v2, v2, v3, 16
; CI-NEXT: flat_store_dword v[0:1], v2
; CI-NEXT: s_endpgm
;
@@ -912,12 +904,9 @@ define amdgpu_kernel void @v_extract_fneg_no_fold_v2bf16(ptr addrspace(1) %in) #
; CI-NEXT: v_mov_b32_e32 v1, s1
; CI-NEXT: flat_load_dword v0, v[0:1]
; CI-NEXT: s_waitcnt vmcnt(0)
-; CI-NEXT: v_and_b32_e32 v1, 0xffff0000, v0
-; CI-NEXT: v_lshlrev_b32_e32 v0, 16, v0
-; CI-NEXT: v_mul_f32_e32 v1, -1.0, v1
-; CI-NEXT: v_mul_f32_e32 v0, -1.0, v0
-; CI-NEXT: v_lshrrev_b32_e32 v1, 16, v1
-; CI-NEXT: v_lshrrev_b32_e32 v0, 16, v0
+; CI-NEXT: v_lshrrev_b32_e32 v1, 16, v0
+; CI-NEXT: v_xor_b32_e32 v0, 0x8000, v0
+; CI-NEXT: v_xor_b32_e32 v1, 0x8000, v1
; CI-NEXT: flat_store_short v[0:1], v0
; CI-NEXT: s_waitcnt vmcnt(0)
; CI-NEXT: flat_store_short v[0:1], v1
diff --git a/llvm/test/CodeGen/ARM/fp16-promote.ll b/llvm/test/CodeGen/ARM/fp16-promote.ll
index 800ee87b95ca8..8230e47259dd8 100644
--- a/llvm/test/CodeGen/ARM/fp16-promote.ll
+++ b/llvm/test/CodeGen/ARM/fp16-promote.ll
@@ -1572,26 +1572,11 @@ define void @test_fma(ptr %p, ptr %q, ptr %r) #0 {
}
define void @test_fabs(ptr %p) {
-; CHECK-FP16-LABEL: test_fabs:
-; CHECK-FP16: ldrh r1, [r0]
-; CHECK-FP16-NEXT: vmov s0, r1
-; CHECK-FP16-NEXT: vcvtb.f32.f16 s0, s0
-; CHECK-FP16-NEXT: vabs.f32 s0, s0
-; CHECK-FP16-NEXT: vcvtb.f16.f32 s0, s0
-; CHECK-FP16-NEXT: vmov r1, s0
-; CHECK-FP16-NEXT: strh r1, [r0]
-; CHECK-FP16-NEXT: bx lr
-;
-; CHECK-LIBCALL-LABEL: test_fabs:
-; CHECK-LIBCALL: .save {r4, lr}
-; CHECK-LIBCALL-NEXT: push {r4, lr}
-; CHECK-LIBCALL-NEXT: mov r4, r0
-; CHECK-LIBCALL-NEXT: ldrh r0, [r0]
-; CHECK-LIBCALL-NEXT: bl __aeabi_h2f
-; CHECK-LIBCALL-NEXT: bic r0, r0, #-2147483648
-; CHECK-LIBCALL-NEXT: bl __aeabi_f2h
-; CHECK-LIBCALL-NEXT: strh r0, [r4]
-; CHECK-LIBCALL-NEXT: pop {r4, pc}
+; CHECK-ALL-LABEL: test_fabs:
+; CHECK-ALL: ldrh r1, [r0]
+; CHECK-ALL-NEXT: bfc r1, #15, #17
+; CHECK-ALL-NEXT: strh r1, [r0]
+; CHECK-ALL-NEXT: bx lr
%a = load half, ptr %p, align 2
%r = call half @llvm.fabs.f16(half %a)
store half %r, ptr %p
@@ -2454,26 +2439,11 @@ define half @test_sitofp_i32_fadd(i32 %a, half %b) #0 {
}
define void @test_fneg(ptr %p1, ptr %p2) #0 {
-; CHECK-FP16-LABEL: test_fneg:
-; CHECK-FP16: ldrh r0, [r0]
-; CHECK-FP16-NEXT: vmov s0, r0
-; CHECK-FP16-NEXT: vcvtb.f32.f16 s0, s0
-; CHECK-FP16-NEXT: vneg.f32 s0, s0
-; CHECK-FP16-NEXT: vcvtb.f16.f32 s0, s0
-; CHECK-FP16-NEXT: vmov r0, s0
-; CHECK-FP16-NEXT: strh r0, [r1]
-; CHECK-FP16-NEXT: bx lr
-;
-; CHECK-LIBCALL-LABEL: test_fneg:
-; CHECK-LIBCALL: .save {r4, lr}
-; CHECK-LIBCALL-NEXT: push {r4, lr}
-; CHECK-LIBCALL-NEXT: ldrh r0, [r0]
-; CHECK-LIBCALL-NEXT: mov r4, r1
-; CHECK-LIBCALL-NEXT: bl __aeabi_h2f
-; CHECK-LIBCALL-NEXT: eor r0, r0, #-2147483648
-; CHECK-LIBCALL-NEXT: bl __aeabi_f2h
-; CHECK-LIBCALL-NEXT: strh r0, [r4]
-; CHECK-LIBCALL-NEXT: pop {r4, pc}
+; CHECK-ALL-LABEL: test_fneg:
+; CHECK-ALL: ldrh r0, [r0]
+; CHECK-ALL-NEXT: eor r0, r0, #32768
+; CHECK-ALL-NEXT: strh r0, [r1]
+; CHECK-ALL-NEXT: bx lr
%v = load half, ptr %p1, align 2
%res = fneg half %v
store half %res, ptr %p2, align 2
diff --git a/llvm/test/CodeGen/Generic/half-neg-abs.ll b/llvm/test/CodeGen/Generic/half-neg-abs.ll
new file mode 100644
index 0000000000000..84d75a3ab153e
--- /dev/null
+++ b/llvm/test/CodeGen/Generic/half-neg-abs.ll
@@ -0,0 +1,75 @@
+; Same as `half.ll`, but for `fneg` and `fabs`. Can be merged back into `half.ll` once BPF doesn't have a compiler error.
+
+; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-apple-darwin | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=aarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if aarch64-registered-target %{ llc %s -o - -mtriple=arm64ec-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if amdgpu-registered-target %{ llc %s -o - -mtriple=amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if arc-registered-target %{ llc %s -o - -mtriple=arc-elf | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=arm-unknown-linux-gnueabi | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if arm-registered-target %{ llc %s -o - -mtriple=thumbv7em-none-eabi | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if avr-registered-target %{ llc %s -o - -mtriple=avr-none | FileCheck %s --check-prefixes=ALL,CHECK %}
+; FIXME: BPF has a compiler error
+; RUN: %if csky-registered-target %{ llc %s -o - -mtriple=csky-unknown-linux-gnuabiv2 | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if csky-registered-target %{ llc %s -o - -mtriple=csky-unknown-linux-gnuabiv2 -mcpu=ck860fv -mattr=+hard-float | FileCheck %s --check-prefixes=ALL,BAD %}
+; RUN: %if directx-registered-target %{ llc %s -o - -mtriple=dxil-pc-shadermodel6.3-library | FileCheck %s --check-prefixes=NOCRASH %}
+; RUN: %if hexagon-registered-target %{ llc %s -o - -mtriple=hexagon-unknown-linux-musl | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if lanai-registered-target %{ llc %s -o - -mtriple=lanai-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD %}
+; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch32-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if loongarch-registered-target %{ llc %s -o - -mtriple=loongarch64-unknown-linux-gnu -mattr=+f | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if m68k-registered-target %{ llc %s -o - -mtriple=m68k-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips64-unknown-linux-gnuabi64 | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mips64el-unknown-linux-gnuabi64 | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if mips-registered-target %{ llc %s -o - -mtriple=mipsel-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if msp430-registered-target %{ llc %s -o - -mtriple=msp430-none-elf | FileCheck %s --check-prefixes=ALL,BAD %}
+; RUN: %if nvptx-registered-target %{ llc %s -o - -mtriple=nvptx64-nvidia-cuda | FileCheck %s --check-prefixes=NOCRASH %}
+; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD %}
+; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD %}
+; RUN: %if powerpc-registered-target %{ llc %s -o - -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,BAD %}
+; RUN: %if riscv-registered-target %{ llc %s -o - -mtriple=riscv32-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if riscv-registered-target %{ llc %s -o - -mtriple=riscv64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if sparc-registered-target %{ llc %s -o - -mtriple=sparc-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if sparc-registered-target %{ llc %s -o - -mtriple=sparc64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if spirv-registered-target %{ llc %s -o - -mtriple=spirv-unknown-unknown | FileCheck %s --check-prefixes=NOCRASH %}
+; RUN: %if systemz-registered-target %{ llc %s -o - -mtriple=s390x-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if ve-registered-target %{ llc %s -o - -mtriple=ve-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD %}
+; RUN: %if webassembly-registered-target %{ llc %s -o - -mtriple=wasm32-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD %}
+; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-pc-windows-msvc | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if x86-registered-target %{ llc %s -o - -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefixes=ALL,CHECK %}
+; RUN: %if xcore-registered-target %{ llc %s -o - -mtriple=xcore-unknown-unknown | FileCheck %s --check-prefixes=ALL,BAD %}
+; RUN: %if xtensa-registered-target %{ llc %s -o - -mtriple=xtensa-none-elf | FileCheck %s --check-prefixes=ALL,CHECK %}
+
+; Note that arm64ec labels are quoted, hence the `{{"?}}:`.
+
+; Codegen tests don't work the same for graphics targets. Add a dummy directive
+; for filecheck, just make sure we don't crash.
+; NOCRASH: {{.*}}
+
+; fneg and fabs both need to not quieten signalling NaNs, so should not call any conversion functions which do.
+
+define void @test_fneg(ptr %p1, ptr %p2) #0 {
+; ALL-LABEL: test_fneg{{"?}}:
+; CHECK-NOT: __extend
+; CHECK-NOT: __trunc
+; CHECK-NOT: __gnu
+; BAD: __extendhfsf2
+ %v = load half, ptr %p1
+ %res = fneg half %v
+ store half %res, ptr %p2
+ ret void
+}
+
+define void @test_fabs(ptr %p1, ptr %p2) {
+; ALL-LABEL: test_fabs{{"?}}:
+; CHECK-NOT: __extend
+; CHECK-NOT: __trunc
+; CHECK-NOT: __gnu
+; BAD: __extendhfsf2
+ %a = load half, ptr %p1
+ %r = call half @llvm.fabs.f16(half %a)
+ store half %r, ptr %p2
+ ret void
+}
diff --git a/llvm/test/CodeGen/RISCV/half-arith.ll b/llvm/test/CodeGen/RISCV/half-arith.ll
index 84163b52bb98d..a11bce9bae319 100644
--- a/llvm/test/CodeGen/RISCV/half-arith.ll
+++ b/llvm/test/CodeGen/RISCV/half-arith.ll
@@ -514,6 +514,7 @@ define i32 @fneg_h(half %a, half %b) nounwind {
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
+; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill
; RV32I-NEXT: lui a1, 16
; RV32I-NEXT: addi s1, a1, -1
; RV32I-NEXT: and a0, a0, s1
@@ -521,13 +522,12 @@ define i32 @fneg_h(half %a, half %b) nounwind {
; RV32I-NEXT: mv a1, a0
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
+; RV32I-NEXT: lui a1, 8
+; RV32I-NEXT: xor s2, a0, a1
; RV32I-NEXT: and a0, a0, s1
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s0, a0
-; RV32I-NEXT: lui a0, 524288
-; RV32I-NEXT: xor a0, s0, a0
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: and a0, a0, s1
+; RV32I-NEXT: and a0, s2, s1
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv a1, a0
; RV32I-NEXT: mv a0, s0
@@ -536,6 +536,7 @@ define i32 @fneg_h(half %a, half %b) nounwind {
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
+; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
@@ -545,6 +546,7 @@ define i32 @fneg_h(half %a, half %b) nounwind {
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
+; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill
; RV64I-NEXT: lui a1, 16
; RV64I-NEXT: addi s1, a1, -1
; RV64I-NEXT: and a0, a0, s1
@@ -552,13 +554,12 @@ define i32 @fneg_h(half %a, half %b) nounwind {
; RV64I-NEXT: mv a1, a0
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
+; RV64I-NEXT: lui a1, 8
+; RV64I-NEXT: xor s2, a0, a1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s0, a0
-; RV64I-NEXT: lui a0, 524288
-; RV64I-NEXT: xor a0, s0, a0
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: and a0, a0, s1
+; RV64I-NEXT: and a0, s2, s1
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv a1, a0
; RV64I-NEXT: mv a0, s0
@@ -567,6 +568,7 @@ define i32 @fneg_h(half %a, half %b) nounwind {
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
+; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
;
@@ -638,11 +640,7 @@ define half @fsgnjn_h(half %a, half %b) nounwind {
; RV32I-NEXT: mv a0, s2
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: and a0, a0, s3
-; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: lui a1, 524288
-; RV32I-NEXT: xor a0, a0, a1
-; RV32I-NEXT: call __truncsfhf2
+; RV32I-NEXT: not a0, a0
; RV32I-NEXT: lui a1, 1048568
; RV32I-NEXT: slli s1, s1, 17
; RV32I-NEXT: and a0, a0, a1
@@ -677,11 +675,7 @@ define half @fsgnjn_h(half %a, half %b) nounwind {
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: and a0, a0, s3
-; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: lui a1, 524288
-; RV64I-NEXT: xor a0, a0, a1
-; RV64I-NEXT: call __truncsfhf2
+; RV64I-NEXT: not a0, a0
; RV64I-NEXT: lui a1, 1048568
; RV64I-NEXT: slli s1, s1, 49
; RV64I-NEXT: and a0, a0, a1
@@ -804,15 +798,14 @@ define half @fabs_h(half %a, half %b) nounwind {
; RV32I-NEXT: mv a0, s1
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
+; RV32I-NEXT: slli s0, a0, 17
+; RV32I-NEXT: srli s0, s0, 17
; RV32I-NEXT: and a0, a0, s2
; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: mv s0, a0
-; RV32I-NEXT: slli a0, a0, 1
-; RV32I-NEXT: srli a0, a0, 1
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: and a0, a0, s2
+; RV32I-NEXT: mv s1, a0
+; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: mv a1, s0
+; RV32I-NEXT: mv a1, s1
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
@@ -841,15 +834,14 @@ define half @fabs_h(half %a, half %b) nounwind {
; RV64I-NEXT: mv a0, s1
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
+; RV64I-NEXT: slli s0, a0, 49
+; RV64I-NEXT: srli s0, s0, 49
; RV64I-NEXT: and a0, a0, s2
; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: mv s0, a0
-; RV64I-NEXT: slli a0, a0, 33
-; RV64I-NEXT: srli a0, a0, 33
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: and a0, a0, s2
+; RV64I-NEXT: mv s1, a0
+; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: mv a1, s0
+; RV64I-NEXT: mv a1, s1
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
@@ -1217,25 +1209,21 @@ define half @fmsub_h(half %a, half %b, half %c) nounwind {
; RV32I-NEXT: mv s0, a1
; RV32I-NEXT: mv s1, a0
; RV32I-NEXT: lui a0, 16
-; RV32I-NEXT: addi s3, a0, -1
-; RV32I-NEXT: and a0, a2, s3
+; RV32I-NEXT: addi s2, a0, -1
+; RV32I-NEXT: and a0, a2, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: and a0, a0, s3
-; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: lui a1, 524288
-; RV32I-NEXT: xor a0, a0, a1
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s2, a0
-; RV32I-NEXT: and a0, s1, s3
+; RV32I-NEXT: lui a1, 8
+; RV32I-NEXT: xor s3, a0, a1
+; RV32I-NEXT: and a0, s1, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s1, a0
-; RV32I-NEXT: and a0, s0, s3
+; RV32I-NEXT: and a0, s0, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s0, a0
-; RV32I-NEXT: and a0, s2, s3
+; RV32I-NEXT: and a0, s3, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv a2, a0
; RV32I-NEXT: mv a0, s1
@@ -1261,25 +1249,21 @@ define half @fmsub_h(half %a, half %b, half %c) nounwind {
; RV64I-NEXT: mv s0, a1
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: lui a0, 16
-; RV64I-NEXT: addi s3, a0, -1
-; RV64I-NEXT: and a0, a2, s3
+; RV64I-NEXT: addi s2, a0, -1
+; RV64I-NEXT: and a0, a2, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: and a0, a0, s3
-; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: lui a1, 524288
-; RV64I-NEXT: xor a0, a0, a1
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s2, a0
-; RV64I-NEXT: and a0, s1, s3
+; RV64I-NEXT: lui a1, 8
+; RV64I-NEXT: xor s3, a0, a1
+; RV64I-NEXT: and a0, s1, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s1, a0
-; RV64I-NEXT: and a0, s0, s3
+; RV64I-NEXT: and a0, s0, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s0, a0
-; RV64I-NEXT: and a0, s2, s3
+; RV64I-NEXT: and a0, s3, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv a2, a0
; RV64I-NEXT: mv a0, s1
@@ -1355,43 +1339,34 @@ define half @fnmadd_h(half %a, half %b, half %c) nounwind {
; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s4, 8(sp) # 4-byte Folded Spill
-; RV32I-NEXT: mv s1, a2
-; RV32I-NEXT: mv s0, a1
-; RV32I-NEXT: lui s3, 16
-; RV32I-NEXT: addi s3, s3, -1
+; RV32I-NEXT: mv s0, a2
+; RV32I-NEXT: mv s1, a1
+; RV32I-NEXT: lui a1, 16
+; RV32I-NEXT: addi s3, a1, -1
; RV32I-NEXT: and a0, a0, s3
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
; RV32I-NEXT: mv s2, a0
-; RV32I-NEXT: and a0, s1, s3
+; RV32I-NEXT: and a0, s0, s3
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s1, a0
-; RV32I-NEXT: and a0, s2, s3
-; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: lui s4, 524288
-; RV32I-NEXT: xor a0, a0, s4
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s2, a0
+; RV32I-NEXT: lui a1, 8
+; RV32I-NEXT: xor s2, s2, a1
+; RV32I-NEXT: xor s4, a0, a1
; RV32I-NEXT: and a0, s1, s3
; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: xor a0, a0, s4
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s1, a0
-; RV32I-NEXT: and a0, s0, s3
-; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: and a0, s2, s3
; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: mv s2, a0
-; RV32I-NEXT: and a0, s1, s3
+; RV32I-NEXT: mv s1, a0
+; RV32I-NEXT: and a0, s4, s3
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv a2, a0
-; RV32I-NEXT: mv a0, s2
+; RV32I-NEXT: mv a0, s1
; RV32I-NEXT: mv a1, s0
; RV32I-NEXT: call fmaf
; RV32I-NEXT: call __truncsfhf2
@@ -1413,43 +1388,34 @@ define half @fnmadd_h(half %a, half %b, half %c) nounwind {
; RV64I-NEXT: sd s2, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s3, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s4, 0(sp) # 8-byte Folded Spill
-; RV64I-NEXT: mv s1, a2
-; RV64I-NEXT: mv s0, a1
-; RV64I-NEXT: lui s3, 16
-; RV64I-NEXT: addi s3, s3, -1
+; RV64I-NEXT: mv s0, a2
+; RV64I-NEXT: mv s1, a1
+; RV64I-NEXT: lui a1, 16
+; RV64I-NEXT: addi s3, a1, -1
; RV64I-NEXT: and a0, a0, s3
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
; RV64I-NEXT: mv s2, a0
-; RV64I-NEXT: and a0, s1, s3
+; RV64I-NEXT: and a0, s0, s3
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s1, a0
-; RV64I-NEXT: and a0, s2, s3
-; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: lui s4, 524288
-; RV64I-NEXT: xor a0, a0, s4
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s2, a0
+; RV64I-NEXT: lui a1, 8
+; RV64I-NEXT: xor s2, s2, a1
+; RV64I-NEXT: xor s4, a0, a1
; RV64I-NEXT: and a0, s1, s3
; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: xor a0, a0, s4
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s1, a0
-; RV64I-NEXT: and a0, s0, s3
-; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: and a0, s2, s3
; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: mv s2, a0
-; RV64I-NEXT: and a0, s1, s3
+; RV64I-NEXT: mv s1, a0
+; RV64I-NEXT: and a0, s4, s3
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv a2, a0
-; RV64I-NEXT: mv a0, s2
+; RV64I-NEXT: mv a0, s1
; RV64I-NEXT: mv a1, s0
; RV64I-NEXT: call fmaf
; RV64I-NEXT: call __truncsfhf2
@@ -1535,44 +1501,35 @@ define half @fnmadd_h_2(half %a, half %b, half %c) nounwind {
; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s4, 8(sp) # 4-byte Folded Spill
-; RV32I-NEXT: mv s1, a2
-; RV32I-NEXT: mv s0, a0
-; RV32I-NEXT: lui s3, 16
-; RV32I-NEXT: addi s3, s3, -1
+; RV32I-NEXT: mv s0, a2
+; RV32I-NEXT: mv s1, a0
+; RV32I-NEXT: lui a0, 16
+; RV32I-NEXT: addi s3, a0, -1
; RV32I-NEXT: and a0, a1, s3
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
; RV32I-NEXT: mv s2, a0
-; RV32I-NEXT: and a0, s1, s3
+; RV32I-NEXT: and a0, s0, s3
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s1, a0
-; RV32I-NEXT: and a0, s2, s3
-; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: lui s4, 524288
-; RV32I-NEXT: xor a0, a0, s4
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s2, a0
+; RV32I-NEXT: lui a1, 8
+; RV32I-NEXT: xor s2, s2, a1
+; RV32I-NEXT: xor s4, a0, a1
; RV32I-NEXT: and a0, s1, s3
; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: xor a0, a0, s4
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s1, a0
-; RV32I-NEXT: and a0, s0, s3
-; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: and a0, s2, s3
; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: mv s2, a0
-; RV32I-NEXT: and a0, s1, s3
+; RV32I-NEXT: mv s1, a0
+; RV32I-NEXT: and a0, s4, s3
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv a2, a0
; RV32I-NEXT: mv a0, s0
-; RV32I-NEXT: mv a1, s2
+; RV32I-NEXT: mv a1, s1
; RV32I-NEXT: call fmaf
; RV32I-NEXT: call __truncsfhf2
; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
@@ -1593,44 +1550,35 @@ define half @fnmadd_h_2(half %a, half %b, half %c) nounwind {
; RV64I-NEXT: sd s2, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s3, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s4, 0(sp) # 8-byte Folded Spill
-; RV64I-NEXT: mv s1, a2
-; RV64I-NEXT: mv s0, a0
-; RV64I-NEXT: lui s3, 16
-; RV64I-NEXT: addi s3, s3, -1
+; RV64I-NEXT: mv s0, a2
+; RV64I-NEXT: mv s1, a0
+; RV64I-NEXT: lui a0, 16
+; RV64I-NEXT: addi s3, a0, -1
; RV64I-NEXT: and a0, a1, s3
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
; RV64I-NEXT: mv s2, a0
-; RV64I-NEXT: and a0, s1, s3
+; RV64I-NEXT: and a0, s0, s3
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s1, a0
-; RV64I-NEXT: and a0, s2, s3
-; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: lui s4, 524288
-; RV64I-NEXT: xor a0, a0, s4
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s2, a0
+; RV64I-NEXT: lui a1, 8
+; RV64I-NEXT: xor s2, s2, a1
+; RV64I-NEXT: xor s4, a0, a1
; RV64I-NEXT: and a0, s1, s3
; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: xor a0, a0, s4
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s1, a0
-; RV64I-NEXT: and a0, s0, s3
-; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: and a0, s2, s3
; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: mv s2, a0
-; RV64I-NEXT: and a0, s1, s3
+; RV64I-NEXT: mv s1, a0
+; RV64I-NEXT: and a0, s4, s3
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv a2, a0
; RV64I-NEXT: mv a0, s0
-; RV64I-NEXT: mv a1, s2
+; RV64I-NEXT: mv a1, s1
; RV64I-NEXT: call fmaf
; RV64I-NEXT: call __truncsfhf2
; RV64I-NEXT: ld ra, 40(sp) # 8-byte Folded Reload
@@ -1960,25 +1908,21 @@ define half @fnmsub_h(half %a, half %b, half %c) nounwind {
; RV32I-NEXT: mv s0, a2
; RV32I-NEXT: mv s1, a1
; RV32I-NEXT: lui a1, 16
-; RV32I-NEXT: addi s3, a1, -1
-; RV32I-NEXT: and a0, a0, s3
+; RV32I-NEXT: addi s2, a1, -1
+; RV32I-NEXT: and a0, a0, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: and a0, a0, s3
-; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: lui a1, 524288
-; RV32I-NEXT: xor a0, a0, a1
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s2, a0
-; RV32I-NEXT: and a0, s1, s3
+; RV32I-NEXT: lui a1, 8
+; RV32I-NEXT: xor s3, a0, a1
+; RV32I-NEXT: and a0, s1, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s1, a0
-; RV32I-NEXT: and a0, s0, s3
+; RV32I-NEXT: and a0, s0, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s0, a0
-; RV32I-NEXT: and a0, s2, s3
+; RV32I-NEXT: and a0, s3, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv a1, s1
; RV32I-NEXT: mv a2, s0
@@ -2003,25 +1947,21 @@ define half @fnmsub_h(half %a, half %b, half %c) nounwind {
; RV64I-NEXT: mv s0, a2
; RV64I-NEXT: mv s1, a1
; RV64I-NEXT: lui a1, 16
-; RV64I-NEXT: addi s3, a1, -1
-; RV64I-NEXT: and a0, a0, s3
+; RV64I-NEXT: addi s2, a1, -1
+; RV64I-NEXT: and a0, a0, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: and a0, a0, s3
-; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: lui a1, 524288
-; RV64I-NEXT: xor a0, a0, a1
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s2, a0
-; RV64I-NEXT: and a0, s1, s3
+; RV64I-NEXT: lui a1, 8
+; RV64I-NEXT: xor s3, a0, a1
+; RV64I-NEXT: and a0, s1, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s1, a0
-; RV64I-NEXT: and a0, s0, s3
+; RV64I-NEXT: and a0, s0, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s0, a0
-; RV64I-NEXT: and a0, s2, s3
+; RV64I-NEXT: and a0, s3, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv a1, s1
; RV64I-NEXT: mv a2, s0
@@ -2096,25 +2036,21 @@ define half @fnmsub_h_2(half %a, half %b, half %c) nounwind {
; RV32I-NEXT: mv s0, a2
; RV32I-NEXT: mv s1, a0
; RV32I-NEXT: lui a0, 16
-; RV32I-NEXT: addi s3, a0, -1
-; RV32I-NEXT: and a0, a1, s3
+; RV32I-NEXT: addi s2, a0, -1
+; RV32I-NEXT: and a0, a1, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: and a0, a0, s3
-; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: lui a1, 524288
-; RV32I-NEXT: xor a0, a0, a1
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s2, a0
-; RV32I-NEXT: and a0, s1, s3
+; RV32I-NEXT: lui a1, 8
+; RV32I-NEXT: xor s3, a0, a1
+; RV32I-NEXT: and a0, s1, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s1, a0
-; RV32I-NEXT: and a0, s0, s3
+; RV32I-NEXT: and a0, s0, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s0, a0
-; RV32I-NEXT: and a0, s2, s3
+; RV32I-NEXT: and a0, s3, s2
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv a1, a0
; RV32I-NEXT: mv a0, s1
@@ -2140,25 +2076,21 @@ define half @fnmsub_h_2(half %a, half %b, half %c) nounwind {
; RV64I-NEXT: mv s0, a2
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: lui a0, 16
-; RV64I-NEXT: addi s3, a0, -1
-; RV64I-NEXT: and a0, a1, s3
+; RV64I-NEXT: addi s2, a0, -1
+; RV64I-NEXT: and a0, a1, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: and a0, a0, s3
-; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: lui a1, 524288
-; RV64I-NEXT: xor a0, a0, a1
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s2, a0
-; RV64I-NEXT: and a0, s1, s3
+; RV64I-NEXT: lui a1, 8
+; RV64I-NEXT: xor s3, a0, a1
+; RV64I-NEXT: and a0, s1, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s1, a0
-; RV64I-NEXT: and a0, s0, s3
+; RV64I-NEXT: and a0, s0, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s0, a0
-; RV64I-NEXT: and a0, s2, s3
+; RV64I-NEXT: and a0, s3, s2
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv a1, a0
; RV64I-NEXT: mv a0, s1
@@ -2519,12 +2451,8 @@ define half @fnmadd_h_contract(half %a, half %b, half %c) nounwind {
; RV32I-NEXT: mv a0, s2
; RV32I-NEXT: call __mulsf3
; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: and a0, a0, s3
-; RV32I-NEXT: call __extendhfsf2
-; RV32I-NEXT: lui a1, 524288
-; RV32I-NEXT: xor a0, a0, a1
-; RV32I-NEXT: call __truncsfhf2
-; RV32I-NEXT: mv s1, a0
+; RV32I-NEXT: lui a1, 8
+; RV32I-NEXT: xor s1, a0, a1
; RV32I-NEXT: and a0, s0, s3
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv s0, a0
@@ -2580,12 +2508,8 @@ define half @fnmadd_h_contract(half %a, half %b, half %c) nounwind {
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __mulsf3
; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: and a0, a0, s3
-; RV64I-NEXT: call __extendhfsf2
-; RV64I-NEXT: lui a1, 524288
-; RV64I-NEXT: xor a0, a0, a1
-; RV64I-NEXT: call __truncsfhf2
-; RV64I-NEXT: mv s1, a0
+; RV64I-NEXT: lui a1, 8
+; RV64I-NEXT: xor s1, a0, a1
; RV64I-NEXT: and a0, s0, s3
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv s0, a0
diff --git a/llvm/test/CodeGen/Thumb2/mve-vabd.ll b/llvm/test/CodeGen/Thumb2/mve-vabd.ll
index 8d52fe52d9360..3c35a29c0a84c 100644
--- a/llvm/test/CodeGen/Thumb2/mve-vabd.ll
+++ b/llvm/test/CodeGen/Thumb2/mve-vabd.ll
@@ -63,34 +63,30 @@ define arm_aapcs_vfpcc void @vabd_v8f16(<8 x half> %x, <8 x half> %y, ptr %z) {
; CHECK-MVE-NEXT: .vsave {d8, d9, d10, d11, d12, d13}
; CHECK-MVE-NEXT: vpush {d8, d9, d10, d11, d12, d13}
; CHECK-MVE-NEXT: mov r4, r0
-; CHECK-MVE-NEXT: vmov.u16 r0, q1[0]
+; CHECK-MVE-NEXT: vmov.u16 r0, q1[1]
; CHECK-MVE-NEXT: vmov q5, q1
; CHECK-MVE-NEXT: vmov q4, q0
; CHECK-MVE-NEXT: bl __aeabi_h2f
; CHECK-MVE-NEXT: mov r5, r0
-; CHECK-MVE-NEXT: vmov.u16 r0, q4[0]
+; CHECK-MVE-NEXT: vmov.u16 r0, q4[1]
; CHECK-MVE-NEXT: bl __aeabi_h2f
; CHECK-MVE-NEXT: mov r1, r5
; CHECK-MVE-NEXT: bl __aeabi_fsub
; CHECK-MVE-NEXT: bl __aeabi_f2h
-; CHECK-MVE-NEXT: bl __aeabi_h2f
-; CHECK-MVE-NEXT: bic r0, r0, #-2147483648
-; CHECK-MVE-NEXT: bl __aeabi_f2h
; CHECK-MVE-NEXT: mov r5, r0
-; CHECK-MVE-NEXT: vmov.u16 r0, q5[1]
+; CHECK-MVE-NEXT: vmov.u16 r0, q5[0]
; CHECK-MVE-NEXT: bl __aeabi_h2f
; CHECK-MVE-NEXT: mov r6, r0
-; CHECK-MVE-NEXT: vmov.u16 r0, q4[1]
+; CHECK-MVE-NEXT: vmov.u16 r0, q4[0]
; CHECK-MVE-NEXT: bl __aeabi_h2f
; CHECK-MVE-NEXT: mov r1, r6
; CHECK-MVE-NEXT: bl __aeabi_fsub
; CHECK-MVE-NEXT: bl __aeabi_f2h
-; CHECK-MVE-NEXT: vmov.16 q6[0], r5
-; CHECK-MVE-NEXT: bl __aeabi_h2f
-; CHECK-MVE-NEXT: bic r0, r0, #-2147483648
-; CHECK-MVE-NEXT: bl __aeabi_f2h
-; CHECK-MVE-NEXT: vmov.16 q6[1], r0
+; CHECK-MVE-NEXT: bfc r0, #15, #17
+; CHECK-MVE-NEXT: bfc r5, #15, #17
+; CHECK-MVE-NEXT: vmov.16 q6[0], r0
; CHECK-MVE-NEXT: vmov.u16 r0, q5[2]
+; CHECK-MVE-NEXT: vmov.16 q6[1], r5
; CHECK-MVE-NEXT: bl __aeabi_h2f
; CHECK-MVE-NEXT: mov r5, r0
; CHECK-MVE-NEXT: vmov.u16 r0, q4[2]
@@ -98,9 +94,7 @@ define arm_aapcs_vfpcc void @vabd_v8f16(<8 x half> %x, <8 x half> %y, ptr %z) {
; CHECK-MVE-NEXT: mov r1, r5
; CHECK-MVE-NEXT: bl __aeabi_fsub
; CHECK-MVE-NEXT: bl __aeabi_f2h
-; CHECK-MVE-NEXT: bl __aeabi_h2f
-; CHECK-MVE-NEXT: bic r0, r0, #-2147483648
-; CHECK-MVE-NEXT: bl __aeabi_f2h
+; CHECK-MVE-NEXT: bfc r0, #15, #17
; CHECK-MVE-NEXT: vmov.16 q6[2], r0
; CHECK-MVE-NEXT: vmov.u16 r0, q5[3]
; CHECK-MVE-NEXT: bl __aeabi_h2f
@@ -110,9 +104,7 @@ define arm_aapcs_vfpcc void @vabd_v8f16(<8 x half> %x, <8 x half> %y, ptr %z) {
; CHECK-MVE-NEXT: mov r1, r5
; CHECK-MVE-NEXT: bl __aeabi_fsub
; CHECK-MVE-NEXT: bl __aeabi_f2h
-; CHECK-MVE-NEXT: bl __aeabi_h2f
-; CHECK-MVE-NEXT: bic r0, r0, #-2147483648
-; CHECK-MVE-NEXT: bl __aeabi_f2h
+; CHECK-MVE-NEXT: bfc r0, #15, #17
; CHECK-MVE-NEXT: vmov.16 q6[3], r0
; CHECK-MVE-NEXT: vmov.u16 r0, q5[4]
; CHECK-MVE-NEXT: bl __aeabi_h2f
@@ -122,9 +114,7 @@ define arm_aapcs_vfpcc void @vabd_v8f16(<8 x half> %x, <8 x half> %y, ptr %z) {
; CHECK-MVE-NEXT: mov r1, r5
; CHECK-MVE-NEXT: bl __aeabi_fsub
; CHECK-MVE-NEXT: bl __aeabi_f2h
-; CHECK-MVE-NEXT: bl __aeabi_h2f
-; CHECK-MVE-NEXT: bic r0, r0, #-2147483648
-; CHECK-MVE-NEXT: bl __aeabi_f2h
+; CHECK-MVE-NEXT: bfc r0, #15, #17
; CHECK-MVE-NEXT: vmov.16 q6[4], r0
; CHECK-MVE-NEXT: vmov.u16 r0, q5[5]
; CHECK-MVE-NEXT: bl __aeabi_h2f
@@ -134,9 +124,7 @@ define arm_aapcs_vfpcc void @vabd_v8f16(<8 x half> %x, <8 x half> %y, ptr %z) {
; CHECK-MVE-NEXT: mov r1, r5
; CHECK-MVE-NEXT: bl __aeabi_fsub
; CHECK-MVE-NEXT: bl __aeabi_f2h
-; CHECK-MVE-NEXT: bl __aeabi_h2f
-; CHECK-MVE-NEXT: bic r0, r0, #-2147483648
-; CHECK-MVE-NEXT: bl __aeabi_f2h
+; CHECK-MVE-NEXT: bfc r0, #15, #17
; CHECK-MVE-NEXT: vmov.16 q6[5], r0
; CHECK-MVE-NEXT: vmov.u16 r0, q5[6]
; CHECK-MVE-NEXT: bl __aeabi_h2f
@@ -146,9 +134,7 @@ define arm_aapcs_vfpcc void @vabd_v8f16(<8 x half> %x, <8 x half> %y, ptr %z) {
; CHECK-MVE-NEXT: mov r1, r5
; CHECK-MVE-NEXT: bl __aeabi_fsub
; CHECK-MVE-NEXT: bl __aeabi_f2h
-; CHECK-MVE-NEXT: bl __aeabi_h2f
-; CHECK-MVE-NEXT: bic r0, r0, #-2147483648
-; CHECK-MVE-NEXT: bl __aeabi_f2h
+; CHECK-MVE-NEXT: bfc r0, #15, #17
; CHECK-MVE-NEXT: vmov.16 q6[6], r0
; CHECK-MVE-NEXT: vmov.u16 r0, q5[7]
; CHECK-MVE-NEXT: bl __aeabi_h2f
@@ -158,9 +144,7 @@ define arm_aapcs_vfpcc void @vabd_v8f16(<8 x half> %x, <8 x half> %y, ptr %z) {
; CHECK-MVE-NEXT: mov r1, r5
; CHECK-MVE-NEXT: bl __aeabi_fsub
; CHECK-MVE-NEXT: bl __aeabi_f2h
-; CHECK-MVE-NEXT: bl __aeabi_h2f
-; CHECK-MVE-NEXT: bic r0, r0, #-2147483648
-; CHECK-MVE-NEXT: bl __aeabi_f2h
+; CHECK-MVE-NEXT: bfc r0, #15, #17
; CHECK-MVE-NEXT: vmov.16 q6[7], r0
; CHECK-MVE-NEXT: vstrw.32 q6, [r4]
; CHECK-MVE-NEXT: vpop {d8, d9, d10, d11, d12, d13}
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