LuoYuanke added inline comments.
================
Comment at: llvm/lib/Target/X86/X86InstrFoldTables.cpp:4838
{ X86::VMULSDZrr_Intk, X86::VMULSDZrm_Intk,
TB_NO_REVERSE },
+ { X86::VMULSHZrr_Intk, X86::VMULSHZrm_Intk,
TB_NO_REVERSE },
{ X86::VMULSSZrr_Intk, X86::VMULSSZrm_Intk,
TB_NO_REVERSE },
----------------
Is this because intrinsics always assume the arguments are passed in register?
================
Comment at: llvm/test/CodeGen/X86/avx512fp16-fmaxnum.ll:26
+; CHECK: # %bb.0:
+; CHECK-NEXT: vmaxph %xmm0, %xmm1, %xmm2 # encoding:
[0x62,0xf5,0x74,0x08,0x5f,0xd0]
+; CHECK-NEXT: vcmpunordph %xmm0, %xmm0, %k1 # encoding:
[0x62,0xf3,0x7c,0x08,0xc2,0xc8,0x03]
----------------
Is it legal without avx512vl?
================
Comment at: llvm/test/CodeGen/X86/avx512fp16-fold-load-binops.ll:7
+; _mm_add_ss(a, _mm_load_ss(b));
+
+define <8 x half> @addsh(<8 x half> %va, half* %pb) {
----------------
Any case for max/min?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D105264/new/
https://reviews.llvm.org/D105264
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