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Diffstat (limited to 'test/CodeGen/X86/recip-fastmath.ll')
-rw-r--r--test/CodeGen/X86/recip-fastmath.ll699
1 files changed, 616 insertions, 83 deletions
diff --git a/test/CodeGen/X86/recip-fastmath.ll b/test/CodeGen/X86/recip-fastmath.ll
index 0a99254cd625..16e261bf3c5e 100644
--- a/test/CodeGen/X86/recip-fastmath.ll
+++ b/test/CodeGen/X86/recip-fastmath.ll
@@ -1,6 +1,13 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE --check-prefix=SSE-RECIP
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX-RECIP
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,+fma | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=FMA-RECIP
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=BTVER2
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=sandybridge -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=SANDY
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell -mattr=-fma | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL-NO-FMA
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=knl -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=KNL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=SKX
; If the target's divss/divps instructions are substantially
; slower than rcpss/rcpps with a Newton-Raphson refinement,
@@ -18,11 +25,47 @@ define float @f32_no_estimate(float %x) #0 {
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: f32_no_estimate:
-; AVX: # BB#0:
-; AVX-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; AVX-NEXT: vdivss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: f32_no_estimate:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-RECIP-NEXT: vdivss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; FMA-RECIP-LABEL: f32_no_estimate:
+; FMA-RECIP: # BB#0:
+; FMA-RECIP-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; FMA-RECIP-NEXT: vdivss %xmm0, %xmm1, %xmm0
+; FMA-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: f32_no_estimate:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero sched: [5:1.00]
+; BTVER2-NEXT: vdivss %xmm0, %xmm1, %xmm0 # sched: [19:19.00]
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: f32_no_estimate:
+; SANDY: # BB#0:
+; SANDY-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero sched: [4:0.50]
+; SANDY-NEXT: vdivss %xmm0, %xmm1, %xmm0 # sched: [12:1.00]
+; SANDY-NEXT: retq # sched: [5:1.00]
+;
+; HASWELL-LABEL: f32_no_estimate:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero sched: [4:0.50]
+; HASWELL-NEXT: vdivss %xmm0, %xmm1, %xmm0 # sched: [12:1.00]
+; HASWELL-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-NO-FMA-LABEL: f32_no_estimate:
+; HASWELL-NO-FMA: # BB#0:
+; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; HASWELL-NO-FMA-NEXT: vdivss %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: retq
+;
+; AVX512-LABEL: f32_no_estimate:
+; AVX512: # BB#0:
+; AVX512-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero sched: [4:0.50]
+; AVX512-NEXT: vdivss %xmm0, %xmm1, %xmm0 # sched: [12:1.00]
+; AVX512-NEXT: retq # sched: [1:1.00]
%div = fdiv fast float 1.0, %x
ret float %div
}
@@ -39,15 +82,66 @@ define float @f32_one_step(float %x) #1 {
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: f32_one_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpss %xmm0, %xmm0, %xmm1
-; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; AVX-NEXT: vsubss %xmm0, %xmm2, %xmm0
-; AVX-NEXT: vmulss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: f32_one_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; AVX-RECIP-NEXT: vsubss %xmm0, %xmm2, %xmm0
+; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; FMA-RECIP-LABEL: f32_one_step:
+; FMA-RECIP: # BB#0:
+; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; FMA-RECIP-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0
+; FMA-RECIP-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0
+; FMA-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: f32_one_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [5:1.00]
+; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [2:1.00]
+; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [2:1.00]
+; BTVER2-NEXT: vsubss %xmm0, %xmm2, %xmm0 # sched: [3:1.00]
+; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [2:1.00]
+; BTVER2-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00]
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: f32_one_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00]
+; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [5:1.00]
+; SANDY-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [4:0.50]
+; SANDY-NEXT: vsubss %xmm0, %xmm2, %xmm0 # sched: [3:1.00]
+; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:1.00]
+; SANDY-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00]
+; SANDY-NEXT: retq # sched: [5:1.00]
+;
+; HASWELL-LABEL: f32_one_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00]
+; HASWELL-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0
+; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0
+; HASWELL-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-NO-FMA-LABEL: f32_one_step:
+; HASWELL-NO-FMA: # BB#0:
+; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; HASWELL-NO-FMA-NEXT: vsubss %xmm0, %xmm2, %xmm0
+; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: retq
+;
+; AVX512-LABEL: f32_one_step:
+; AVX512: # BB#0:
+; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1
+; AVX512-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0
+; AVX512-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0
+; AVX512-NEXT: retq # sched: [1:1.00]
%div = fdiv fast float 1.0, %x
ret float %div
}
@@ -70,19 +164,94 @@ define float @f32_two_step(float %x) #2 {
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: f32_two_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpss %xmm0, %xmm0, %xmm1
-; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm2
-; AVX-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
-; AVX-NEXT: vsubss %xmm2, %xmm3, %xmm2
-; AVX-NEXT: vmulss %xmm2, %xmm1, %xmm2
-; AVX-NEXT: vaddss %xmm2, %xmm1, %xmm1
-; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vsubss %xmm0, %xmm3, %xmm0
-; AVX-NEXT: vmulss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: f32_two_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; AVX-RECIP-NEXT: vsubss %xmm2, %xmm3, %xmm2
+; AVX-RECIP-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; AVX-RECIP-NEXT: vaddss %xmm2, %xmm1, %xmm1
+; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vsubss %xmm0, %xmm3, %xmm0
+; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; FMA-RECIP-LABEL: f32_two_step:
+; FMA-RECIP: # BB#0:
+; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; FMA-RECIP-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; FMA-RECIP-NEXT: vmovaps %xmm1, %xmm3
+; FMA-RECIP-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3
+; FMA-RECIP-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3
+; FMA-RECIP-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0
+; FMA-RECIP-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0
+; FMA-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: f32_two_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero sched: [5:1.00]
+; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [2:1.00]
+; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm2 # sched: [2:1.00]
+; BTVER2-NEXT: vsubss %xmm2, %xmm3, %xmm2 # sched: [3:1.00]
+; BTVER2-NEXT: vmulss %xmm2, %xmm1, %xmm2 # sched: [2:1.00]
+; BTVER2-NEXT: vaddss %xmm2, %xmm1, %xmm1 # sched: [3:1.00]
+; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [2:1.00]
+; BTVER2-NEXT: vsubss %xmm0, %xmm3, %xmm0 # sched: [3:1.00]
+; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [2:1.00]
+; BTVER2-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00]
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: f32_two_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00]
+; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm2 # sched: [5:1.00]
+; SANDY-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero sched: [4:0.50]
+; SANDY-NEXT: vsubss %xmm2, %xmm3, %xmm2 # sched: [3:1.00]
+; SANDY-NEXT: vmulss %xmm2, %xmm1, %xmm2 # sched: [5:1.00]
+; SANDY-NEXT: vaddss %xmm2, %xmm1, %xmm1 # sched: [3:1.00]
+; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [5:1.00]
+; SANDY-NEXT: vsubss %xmm0, %xmm3, %xmm0 # sched: [3:1.00]
+; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:1.00]
+; SANDY-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00]
+; SANDY-NEXT: retq # sched: [5:1.00]
+;
+; HASWELL-LABEL: f32_two_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00]
+; HASWELL-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [4:0.50]
+; HASWELL-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00]
+; HASWELL-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3
+; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0
+; HASWELL-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0
+; HASWELL-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-NO-FMA-LABEL: f32_two_step:
+; HASWELL-NO-FMA: # BB#0:
+; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; HASWELL-NO-FMA-NEXT: vsubss %xmm2, %xmm3, %xmm2
+; HASWELL-NO-FMA-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; HASWELL-NO-FMA-NEXT: vaddss %xmm2, %xmm1, %xmm1
+; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; HASWELL-NO-FMA-NEXT: vsubss %xmm0, %xmm3, %xmm0
+; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: retq
+;
+; AVX512-LABEL: f32_two_step:
+; AVX512: # BB#0:
+; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1
+; AVX512-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [4:0.50]
+; AVX512-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00]
+; AVX512-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3
+; AVX512-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3
+; AVX512-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0
+; AVX512-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0
+; AVX512-NEXT: retq # sched: [1:1.00]
%div = fdiv fast float 1.0, %x
ret float %div
}
@@ -95,11 +264,47 @@ define <4 x float> @v4f32_no_estimate(<4 x float> %x) #0 {
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v4f32_no_estimate:
-; AVX: # BB#0:
-; AVX-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vdivps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v4f32_no_estimate:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vdivps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; FMA-RECIP-LABEL: v4f32_no_estimate:
+; FMA-RECIP: # BB#0:
+; FMA-RECIP-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; FMA-RECIP-NEXT: vdivps %xmm0, %xmm1, %xmm0
+; FMA-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v4f32_no_estimate:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00]
+; BTVER2-NEXT: vdivps %xmm0, %xmm1, %xmm0 # sched: [19:19.00]
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: v4f32_no_estimate:
+; SANDY: # BB#0:
+; SANDY-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [4:0.50]
+; SANDY-NEXT: vdivps %xmm0, %xmm1, %xmm0 # sched: [12:1.00]
+; SANDY-NEXT: retq # sched: [5:1.00]
+;
+; HASWELL-LABEL: v4f32_no_estimate:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %xmm1 # sched: [4:0.50]
+; HASWELL-NEXT: vdivps %xmm0, %xmm1, %xmm0 # sched: [12:1.00]
+; HASWELL-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-NO-FMA-LABEL: v4f32_no_estimate:
+; HASWELL-NO-FMA: # BB#0:
+; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %xmm1
+; HASWELL-NO-FMA-NEXT: vdivps %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: retq
+;
+; AVX512-LABEL: v4f32_no_estimate:
+; AVX512: # BB#0:
+; AVX512-NEXT: vbroadcastss {{.*}}(%rip), %xmm1 # sched: [4:0.50]
+; AVX512-NEXT: vdivps %xmm0, %xmm1, %xmm0 # sched: [12:1.00]
+; AVX512-NEXT: retq # sched: [1:1.00]
%div = fdiv fast <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <4 x float> %div
}
@@ -116,15 +321,75 @@ define <4 x float> @v4f32_one_step(<4 x float> %x) #1 {
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v4f32_one_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %xmm0, %xmm1
-; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %xmm0, %xmm2, %xmm0
-; AVX-NEXT: vmulps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v4f32_one_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %xmm0, %xmm2, %xmm0
+; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; FMA-RECIP-LABEL: v4f32_one_step:
+; FMA-RECIP: # BB#0:
+; FMA-RECIP-NEXT: vrcpps %xmm0, %xmm1
+; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %xmm1, %xmm0
+; FMA-RECIP-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; FMA-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v4f32_one_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00]
+; BTVER2-NEXT: vrcpps %xmm0, %xmm1 # sched: [2:1.00]
+; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [2:1.00]
+; BTVER2-NEXT: vsubps %xmm0, %xmm2, %xmm0 # sched: [3:1.00]
+; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [2:1.00]
+; BTVER2-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00]
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: v4f32_one_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00]
+; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [5:1.00]
+; SANDY-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [4:0.50]
+; SANDY-NEXT: vsubps %xmm0, %xmm2, %xmm0 # sched: [3:1.00]
+; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:1.00]
+; SANDY-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00]
+; SANDY-NEXT: retq # sched: [5:1.00]
+;
+; HASWELL-LABEL: v4f32_one_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00]
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2 # sched: [4:0.50]
+; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0
+; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; HASWELL-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-NO-FMA-LABEL: v4f32_one_step:
+; HASWELL-NO-FMA: # BB#0:
+; HASWELL-NO-FMA-NEXT: vrcpps %xmm0, %xmm1
+; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; HASWELL-NO-FMA-NEXT: vsubps %xmm0, %xmm2, %xmm0
+; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: retq
+;
+; KNL-LABEL: v4f32_one_step:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00]
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2 # sched: [4:0.50]
+; KNL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0
+; KNL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; KNL-NEXT: retq # sched: [1:1.00]
+;
+; SKX-LABEL: v4f32_one_step:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %xmm0, %xmm1
+; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to4}, %xmm1, %xmm0
+; SKX-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; SKX-NEXT: retq # sched: [1:1.00]
%div = fdiv fast <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <4 x float> %div
}
@@ -147,19 +412,105 @@ define <4 x float> @v4f32_two_step(<4 x float> %x) #2 {
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v4f32_two_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %xmm0, %xmm1
-; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm2
-; AVX-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %xmm2, %xmm3, %xmm2
-; AVX-NEXT: vmulps %xmm2, %xmm1, %xmm2
-; AVX-NEXT: vaddps %xmm2, %xmm1, %xmm1
-; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vsubps %xmm0, %xmm3, %xmm0
-; AVX-NEXT: vmulps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v4f32_two_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %xmm2, %xmm3, %xmm2
+; AVX-RECIP-NEXT: vmulps %xmm2, %xmm1, %xmm2
+; AVX-RECIP-NEXT: vaddps %xmm2, %xmm1, %xmm1
+; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vsubps %xmm0, %xmm3, %xmm0
+; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; FMA-RECIP-LABEL: v4f32_two_step:
+; FMA-RECIP: # BB#0:
+; FMA-RECIP-NEXT: vrcpps %xmm0, %xmm1
+; FMA-RECIP-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; FMA-RECIP-NEXT: vmovaps %xmm1, %xmm3
+; FMA-RECIP-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; FMA-RECIP-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; FMA-RECIP-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; FMA-RECIP-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; FMA-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v4f32_two_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00]
+; BTVER2-NEXT: vrcpps %xmm0, %xmm1 # sched: [2:1.00]
+; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm2 # sched: [2:1.00]
+; BTVER2-NEXT: vsubps %xmm2, %xmm3, %xmm2 # sched: [3:1.00]
+; BTVER2-NEXT: vmulps %xmm2, %xmm1, %xmm2 # sched: [2:1.00]
+; BTVER2-NEXT: vaddps %xmm2, %xmm1, %xmm1 # sched: [3:1.00]
+; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [2:1.00]
+; BTVER2-NEXT: vsubps %xmm0, %xmm3, %xmm0 # sched: [3:1.00]
+; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [2:1.00]
+; BTVER2-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00]
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: v4f32_two_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00]
+; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm2 # sched: [5:1.00]
+; SANDY-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [4:0.50]
+; SANDY-NEXT: vsubps %xmm2, %xmm3, %xmm2 # sched: [3:1.00]
+; SANDY-NEXT: vmulps %xmm2, %xmm1, %xmm2 # sched: [5:1.00]
+; SANDY-NEXT: vaddps %xmm2, %xmm1, %xmm1 # sched: [3:1.00]
+; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [5:1.00]
+; SANDY-NEXT: vsubps %xmm0, %xmm3, %xmm0 # sched: [3:1.00]
+; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:1.00]
+; SANDY-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00]
+; SANDY-NEXT: retq # sched: [5:1.00]
+;
+; HASWELL-LABEL: v4f32_two_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00]
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2 # sched: [4:0.50]
+; HASWELL-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00]
+; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; HASWELL-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; HASWELL-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-NO-FMA-LABEL: v4f32_two_step:
+; HASWELL-NO-FMA: # BB#0:
+; HASWELL-NO-FMA-NEXT: vrcpps %xmm0, %xmm1
+; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %xmm3
+; HASWELL-NO-FMA-NEXT: vsubps %xmm2, %xmm3, %xmm2
+; HASWELL-NO-FMA-NEXT: vmulps %xmm2, %xmm1, %xmm2
+; HASWELL-NO-FMA-NEXT: vaddps %xmm2, %xmm1, %xmm1
+; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; HASWELL-NO-FMA-NEXT: vsubps %xmm0, %xmm3, %xmm0
+; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; HASWELL-NO-FMA-NEXT: retq
+;
+; KNL-LABEL: v4f32_two_step:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00]
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2 # sched: [4:0.50]
+; KNL-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00]
+; KNL-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; KNL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; KNL-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; KNL-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; KNL-NEXT: retq # sched: [1:1.00]
+;
+; SKX-LABEL: v4f32_two_step:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %xmm0, %xmm1
+; SKX-NEXT: vbroadcastss {{.*}}(%rip), %xmm2 # sched: [4:0.50]
+; SKX-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00]
+; SKX-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; SKX-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; SKX-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; SKX-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; SKX-NEXT: retq # sched: [1:1.00]
%div = fdiv fast <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <4 x float> %div
}
@@ -175,11 +526,47 @@ define <8 x float> @v8f32_no_estimate(<8 x float> %x) #0 {
; SSE-NEXT: movaps %xmm2, %xmm1
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_no_estimate:
-; AVX: # BB#0:
-; AVX-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vdivps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_no_estimate:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vdivps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; FMA-RECIP-LABEL: v8f32_no_estimate:
+; FMA-RECIP: # BB#0:
+; FMA-RECIP-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; FMA-RECIP-NEXT: vdivps %ymm0, %ymm1, %ymm0
+; FMA-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_no_estimate:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00]
+; BTVER2-NEXT: vdivps %ymm0, %ymm1, %ymm0 # sched: [19:19.00]
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: v8f32_no_estimate:
+; SANDY: # BB#0:
+; SANDY-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [4:0.50]
+; SANDY-NEXT: vdivps %ymm0, %ymm1, %ymm0 # sched: [12:1.00]
+; SANDY-NEXT: retq # sched: [5:1.00]
+;
+; HASWELL-LABEL: v8f32_no_estimate:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %ymm1 # sched: [5:1.00]
+; HASWELL-NEXT: vdivps %ymm0, %ymm1, %ymm0 # sched: [19:2.00]
+; HASWELL-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-NO-FMA-LABEL: v8f32_no_estimate:
+; HASWELL-NO-FMA: # BB#0:
+; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %ymm1
+; HASWELL-NO-FMA-NEXT: vdivps %ymm0, %ymm1, %ymm0
+; HASWELL-NO-FMA-NEXT: retq
+;
+; AVX512-LABEL: v8f32_no_estimate:
+; AVX512: # BB#0:
+; AVX512-NEXT: vbroadcastss {{.*}}(%rip), %ymm1 # sched: [5:1.00]
+; AVX512-NEXT: vdivps %ymm0, %ymm1, %ymm0 # sched: [19:2.00]
+; AVX512-NEXT: retq # sched: [1:1.00]
%div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <8 x float> %div
}
@@ -203,15 +590,75 @@ define <8 x float> @v8f32_one_step(<8 x float> %x) #1 {
; SSE-NEXT: movaps %xmm2, %xmm1
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_one_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %ymm0, %ymm1
-; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm0
-; AVX-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %ymm0, %ymm2, %ymm0
-; AVX-NEXT: vmulps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: vaddps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_one_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm1
+; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %ymm0, %ymm2, %ymm0
+; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; FMA-RECIP-LABEL: v8f32_one_step:
+; FMA-RECIP: # BB#0:
+; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm1
+; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %ymm1, %ymm0
+; FMA-RECIP-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; FMA-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_one_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00]
+; BTVER2-NEXT: vrcpps %ymm0, %ymm1 # sched: [2:1.00]
+; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [2:1.00]
+; BTVER2-NEXT: vsubps %ymm0, %ymm2, %ymm0 # sched: [3:1.00]
+; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [2:1.00]
+; BTVER2-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00]
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: v8f32_one_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %ymm0, %ymm1 # sched: [5:1.00]
+; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [5:1.00]
+; SANDY-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [4:0.50]
+; SANDY-NEXT: vsubps %ymm0, %ymm2, %ymm0 # sched: [3:1.00]
+; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:1.00]
+; SANDY-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00]
+; SANDY-NEXT: retq # sched: [5:1.00]
+;
+; HASWELL-LABEL: v8f32_one_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %ymm0, %ymm1 # sched: [7:2.00]
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2 # sched: [5:1.00]
+; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0
+; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; HASWELL-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-NO-FMA-LABEL: v8f32_one_step:
+; HASWELL-NO-FMA: # BB#0:
+; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm1
+; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; HASWELL-NO-FMA-NEXT: vsubps %ymm0, %ymm2, %ymm0
+; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; HASWELL-NO-FMA-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; HASWELL-NO-FMA-NEXT: retq
+;
+; KNL-LABEL: v8f32_one_step:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %ymm0, %ymm1 # sched: [7:2.00]
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2 # sched: [5:1.00]
+; KNL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0
+; KNL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; KNL-NEXT: retq # sched: [1:1.00]
+;
+; SKX-LABEL: v8f32_one_step:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %ymm0, %ymm1
+; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to8}, %ymm1, %ymm0
+; SKX-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; SKX-NEXT: retq # sched: [1:1.00]
%div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <8 x float> %div
}
@@ -247,19 +694,105 @@ define <8 x float> @v8f32_two_step(<8 x float> %x) #2 {
; SSE-NEXT: movaps %xmm3, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_two_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %ymm0, %ymm1
-; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm2
-; AVX-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %ymm2, %ymm3, %ymm2
-; AVX-NEXT: vmulps %ymm2, %ymm1, %ymm2
-; AVX-NEXT: vaddps %ymm2, %ymm1, %ymm1
-; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm0
-; AVX-NEXT: vsubps %ymm0, %ymm3, %ymm0
-; AVX-NEXT: vmulps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: vaddps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_two_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm1
+; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %ymm2, %ymm3, %ymm2
+; AVX-RECIP-NEXT: vmulps %ymm2, %ymm1, %ymm2
+; AVX-RECIP-NEXT: vaddps %ymm2, %ymm1, %ymm1
+; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; AVX-RECIP-NEXT: vsubps %ymm0, %ymm3, %ymm0
+; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; FMA-RECIP-LABEL: v8f32_two_step:
+; FMA-RECIP: # BB#0:
+; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm1
+; FMA-RECIP-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; FMA-RECIP-NEXT: vmovaps %ymm1, %ymm3
+; FMA-RECIP-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; FMA-RECIP-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; FMA-RECIP-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; FMA-RECIP-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; FMA-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_two_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00]
+; BTVER2-NEXT: vrcpps %ymm0, %ymm1 # sched: [2:1.00]
+; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm2 # sched: [2:1.00]
+; BTVER2-NEXT: vsubps %ymm2, %ymm3, %ymm2 # sched: [3:1.00]
+; BTVER2-NEXT: vmulps %ymm2, %ymm1, %ymm2 # sched: [2:1.00]
+; BTVER2-NEXT: vaddps %ymm2, %ymm1, %ymm1 # sched: [3:1.00]
+; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [2:1.00]
+; BTVER2-NEXT: vsubps %ymm0, %ymm3, %ymm0 # sched: [3:1.00]
+; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [2:1.00]
+; BTVER2-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00]
+; BTVER2-NEXT: retq # sched: [4:1.00]
+;
+; SANDY-LABEL: v8f32_two_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %ymm0, %ymm1 # sched: [5:1.00]
+; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm2 # sched: [5:1.00]
+; SANDY-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [4:0.50]
+; SANDY-NEXT: vsubps %ymm2, %ymm3, %ymm2 # sched: [3:1.00]
+; SANDY-NEXT: vmulps %ymm2, %ymm1, %ymm2 # sched: [5:1.00]
+; SANDY-NEXT: vaddps %ymm2, %ymm1, %ymm1 # sched: [3:1.00]
+; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [5:1.00]
+; SANDY-NEXT: vsubps %ymm0, %ymm3, %ymm0 # sched: [3:1.00]
+; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:1.00]
+; SANDY-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00]
+; SANDY-NEXT: retq # sched: [5:1.00]
+;
+; HASWELL-LABEL: v8f32_two_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %ymm0, %ymm1 # sched: [7:2.00]
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2 # sched: [5:1.00]
+; HASWELL-NEXT: vmovaps %ymm1, %ymm3 # sched: [1:1.00]
+; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; HASWELL-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; HASWELL-NEXT: retq # sched: [1:1.00]
+;
+; HASWELL-NO-FMA-LABEL: v8f32_two_step:
+; HASWELL-NO-FMA: # BB#0:
+; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm1
+; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %ymm3
+; HASWELL-NO-FMA-NEXT: vsubps %ymm2, %ymm3, %ymm2
+; HASWELL-NO-FMA-NEXT: vmulps %ymm2, %ymm1, %ymm2
+; HASWELL-NO-FMA-NEXT: vaddps %ymm2, %ymm1, %ymm1
+; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; HASWELL-NO-FMA-NEXT: vsubps %ymm0, %ymm3, %ymm0
+; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; HASWELL-NO-FMA-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; HASWELL-NO-FMA-NEXT: retq
+;
+; KNL-LABEL: v8f32_two_step:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %ymm0, %ymm1 # sched: [7:2.00]
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2 # sched: [5:1.00]
+; KNL-NEXT: vmovaps %ymm1, %ymm3 # sched: [1:1.00]
+; KNL-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; KNL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; KNL-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; KNL-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; KNL-NEXT: retq # sched: [1:1.00]
+;
+; SKX-LABEL: v8f32_two_step:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %ymm0, %ymm1
+; SKX-NEXT: vbroadcastss {{.*}}(%rip), %ymm2 # sched: [5:1.00]
+; SKX-NEXT: vmovaps %ymm1, %ymm3 # sched: [1:1.00]
+; SKX-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; SKX-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; SKX-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; SKX-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; SKX-NEXT: retq # sched: [1:1.00]
%div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <8 x float> %div
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-18 08:15:14 +0000