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      1 ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=knl --show-mc-encoding| FileCheck %s
      2 
      3 define <16 x float> @test_rsqrt28_ps(<16 x float> %a0) {
      4   ; CHECK: vrsqrt28ps {sae}, %zmm0, %zmm0 # encoding: [0x62,0xf2,0x7d,0x18,0xcc,0xc0]
      5   %res = call <16 x float> @llvm.x86.avx512.rsqrt28.ps(<16 x float> %a0, <16 x float> zeroinitializer, i16 -1, i32 8)
      6   ret <16 x float> %res
      7 }
      8 
      9 define <16 x float> @test1_rsqrt28_ps(<16 x float> %a0, <16 x float> %a1) {
     10   ; CHECK: kmovw
     11   ; CHECK: vrsqrt28ps {sae}, %zmm0, %zmm1 {%k1} # encoding: [0x62,0xf2,0x7d,0x19,0xcc,0xc8]
     12   %res = call <16 x float> @llvm.x86.avx512.rsqrt28.ps(<16 x float> %a0, <16 x float> %a1, i16 6, i32 8)
     13   ret <16 x float> %res
     14 }
     15 
     16 define <16 x float> @test2_rsqrt28_ps(<16 x float> %a0) {
     17   ; CHECK: vrsqrt28ps %zmm0, %zmm0 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0xc9,0xcc,0xc0]
     18   %res = call <16 x float> @llvm.x86.avx512.rsqrt28.ps(<16 x float> %a0, <16 x float> undef, i16 6, i32 4)
     19   ret <16 x float> %res
     20 }
     21 
     22 define <16 x float> @test3_rsqrt28_ps(<16 x float> %a0) {
     23   ; CHECK: kmovw
     24   ; CHECK: vrsqrt28ps %zmm0, %zmm0 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0xc9,0xcc,0xc0]
     25   %res = call <16 x float> @llvm.x86.avx512.rsqrt28.ps(<16 x float> %a0, <16 x float> zeroinitializer, i16 6, i32 4)
     26   ret <16 x float> %res
     27 }
     28 
     29 define <16 x float> @test4_rsqrt28_ps(<16 x float> %a0) {
     30   ; CHECK: vrsqrt28ps {sae}, %zmm0, %zmm0 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0x99,0xcc,0xc0]
     31   %res = call <16 x float> @llvm.x86.avx512.rsqrt28.ps(<16 x float> %a0, <16 x float> undef, i16 6, i32 8) 
     32   ret <16 x float> %res
     33 }
     34 
     35 
     36 declare <16 x float> @llvm.x86.avx512.rsqrt28.ps(<16 x float>, <16 x float>, i16, i32) nounwind readnone
     37 
     38 define <16 x float> @test_rcp28_ps_512(<16 x float> %a0) {
     39   ; CHECK: vrcp28ps {sae}, %zmm0, %zmm0 # encoding: [0x62,0xf2,0x7d,0x18,0xca,0xc0]
     40   %res = call <16 x float> @llvm.x86.avx512.rcp28.ps(<16 x float> %a0, <16 x float> zeroinitializer, i16 -1, i32 8)
     41   ret <16 x float> %res
     42 }
     43 declare <16 x float> @llvm.x86.avx512.rcp28.ps(<16 x float>, <16 x float>, i16, i32) nounwind readnone
     44 
     45 define <8 x double> @test_rcp28_pd_512(<8 x double> %a0) {
     46   ; CHECK: vrcp28pd {sae}, %zmm0, %zmm0 # encoding: [0x62,0xf2,0xfd,0x18,0xca,0xc0]
     47   %res = call <8 x double> @llvm.x86.avx512.rcp28.pd(<8 x double> %a0, <8 x double> zeroinitializer, i8 -1, i32 8) 
     48   ret <8 x double> %res
     49 }
     50 declare <8 x double> @llvm.x86.avx512.rcp28.pd(<8 x double>, <8 x double>, i8, i32) nounwind readnone
     51 
     52 define <16 x float> @test_exp2_ps_512(<16 x float> %a0) {
     53   ; CHECK: vexp2ps {sae}, %zmm0, %zmm0     # encoding: [0x62,0xf2,0x7d,0x18,0xc8,0xc0]
     54   %res = call <16 x float> @llvm.x86.avx512.exp2.ps(<16 x float> %a0, <16 x float> zeroinitializer, i16 -1, i32 8)
     55   ret <16 x float> %res
     56 }
     57 declare <16 x float> @llvm.x86.avx512.exp2.ps(<16 x float>, <16 x float>, i16, i32) nounwind readnone
     58 
     59 define <8 x double> @test_exp2_pd_512(<8 x double> %a0) {
     60   ; CHECK: vexp2pd {sae}, %zmm0, %zmm0      # encoding: [0x62,0xf2,0xfd,0x18,0xc8,0xc0]
     61   %res = call <8 x double> @llvm.x86.avx512.exp2.pd(<8 x double> %a0, <8 x double> zeroinitializer, i8 -1, i32 8)
     62   ret <8 x double> %res
     63 }
     64 declare <8 x double> @llvm.x86.avx512.exp2.pd(<8 x double>, <8 x double>, i8, i32) nounwind readnone
     65 
     66 define <4 x float> @test_rsqrt28_ss(<4 x float> %a0) {
     67   ; CHECK: vrsqrt28ss {sae}, %xmm0, %xmm0, %xmm0 # encoding: [0x62,0xf2,0x7d,0x18,0xcd,0xc0]
     68   %res = call <4 x float> @llvm.x86.avx512.rsqrt28.ss(<4 x float> %a0, <4 x float> %a0, <4 x float> zeroinitializer, i8 -1, i32 8) ; <<4 x float>> [#uses=1]
     69   ret <4 x float> %res
     70 }
     71 declare <4 x float> @llvm.x86.avx512.rsqrt28.ss(<4 x float>, <4 x float>, <4 x float>, i8, i32) nounwind readnone
     72 
     73 define <4 x float> @test_rcp28_ss(<4 x float> %a0) {
     74   ; CHECK: vrcp28ss {sae}, %xmm0, %xmm0, %xmm0 # encoding: [0x62,0xf2,0x7d,0x18,0xcb,0xc0]
     75   %res = call <4 x float> @llvm.x86.avx512.rcp28.ss(<4 x float> %a0, <4 x float> %a0, <4 x float> zeroinitializer, i8 -1, i32 8) ; <<4 x float>> [#uses=1]
     76   ret <4 x float> %res
     77 }
     78 declare <4 x float> @llvm.x86.avx512.rcp28.ss(<4 x float>, <4 x float>, <4 x float>, i8, i32) nounwind readnone
     79 
     80 define <4 x float> @test_rsqrt28_ss_maskz(<4 x float> %a0) {
     81   ; CHECK: vrsqrt28ss {sae}, %xmm0, %xmm0, %xmm0 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0x99,0xcd,0xc0]
     82   %res = call <4 x float> @llvm.x86.avx512.rsqrt28.ss(<4 x float> %a0, <4 x float> %a0, <4 x float> zeroinitializer, i8 7, i32 8) ; 
     83   ret <4 x float> %res
     84 }
     85 
     86 define <4 x float> @test_rsqrt28_ss_mask(<4 x float> %a0, <4 x float> %b0, <4 x float> %c0) {
     87   ; CHECK: vrsqrt28ss {sae}, %xmm1, %xmm0, %xmm2 {%k1} # encoding: [0x62,0xf2,0x7d,0x19,0xcd,0xd1]
     88   %res = call <4 x float> @llvm.x86.avx512.rsqrt28.ss(<4 x float> %a0, <4 x float> %b0, <4 x float> %c0, i8 7, i32 8) ;
     89   ret <4 x float> %res
     90 }
     91 
     92 define <2 x double> @test_rsqrt28_sd_maskz(<2 x double> %a0) {
     93   ; CHECK: vrsqrt28sd {sae}, %xmm0, %xmm0, %xmm0 {%k1} {z} # encoding: [0x62,0xf2,0xfd,0x99,0xcd,0xc0]
     94   %res = call <2 x double> @llvm.x86.avx512.rsqrt28.sd(<2 x double> %a0, <2 x double> %a0, <2 x double> zeroinitializer, i8 7, i32 8) ; 
     95   ret <2 x double> %res
     96 }
     97 
     98 declare <2 x double> @llvm.x86.avx512.rsqrt28.sd(<2 x double>, <2 x double>, <2 x double>, i8, i32) nounwind readnone
     99 
    100 define <2 x double> @test_rsqrt28_sd_maskz_mem(<2 x double> %a0, double* %ptr ) {
    101   ; CHECK: vrsqrt28sd (%rdi), %xmm0, %xmm0 {%k1} {z} # encoding: [0x62,0xf2,0xfd,0x89,0xcd,0x07]
    102   %mem = load double , double * %ptr, align 8
    103   %mem_v = insertelement <2 x double> undef, double %mem, i32 0
    104   %res = call <2 x double> @llvm.x86.avx512.rsqrt28.sd(<2 x double> %a0, <2 x double> %mem_v, <2 x double> zeroinitializer, i8 7, i32 4) ; 
    105   ret <2 x double> %res
    106 }
    107 
    108 define <2 x double> @test_rsqrt28_sd_maskz_mem_offset(<2 x double> %a0, double* %ptr ) {
    109   ; CHECK: vrsqrt28sd 144(%rdi), %xmm0, %xmm0 {%k1} {z} # encoding: [0x62,0xf2,0xfd,0x89,0xcd,0x47,0x12]
    110   %ptr1 = getelementptr double, double* %ptr, i32 18
    111   %mem = load double , double * %ptr1, align 8
    112   %mem_v = insertelement <2 x double> undef, double %mem, i32 0
    113   %res = call <2 x double> @llvm.x86.avx512.rsqrt28.sd(<2 x double> %a0, <2 x double> %mem_v, <2 x double> zeroinitializer, i8 7, i32 4) ;
    114   ret <2 x double> %res
    115 }
    116 
    117