; RUN: llc -mtriple=x86_64-linux -mcpu=nehalem < %s | FileCheck %s --check-prefix=LIN ; RUN: llc -mtriple=x86_64-win32 -mcpu=nehalem < %s | FileCheck %s --check-prefix=WIN ; RUN: llc -mtriple=i686-win32 -mcpu=nehalem < %s | FileCheck %s --check-prefix=LIN32 ; rdar://7398554 ; When doing vector gather-scatter index calculation with 32-bit indices, ; use an efficient mov/shift sequence rather than shuffling each individual ; element out of the index vector. ; CHECK-LABEL: foo: ; LIN: movdqa (%rsi), %xmm0 ; LIN: pand (%rdx), %xmm0 ; LIN: pextrq $1, %xmm0, %r[[REG4:.+]] ; LIN: movd %xmm0, %r[[REG2:.+]] ; LIN: movslq %e[[REG2]], %r[[REG1:.+]] ; LIN: sarq $32, %r[[REG2]] ; LIN: movslq %e[[REG4]], %r[[REG3:.+]] ; LIN: sarq $32, %r[[REG4]] ; LIN: movsd (%rdi,%r[[REG1]],8), %xmm0 ; LIN: movhpd (%rdi,%r[[REG2]],8), %xmm0 ; LIN: movsd (%rdi,%r[[REG3]],8), %xmm1 ; LIN: movhpd (%rdi,%r[[REG4]],8), %xmm1 ; WIN: movdqa (%rdx), %xmm0 ; WIN: pand (%r8), %xmm0 ; WIN: pextrq $1, %xmm0, %r[[REG4:.+]] ; WIN: movd %xmm0, %r[[REG2:.+]] ; WIN: movslq %e[[REG2]], %r[[REG1:.+]] ; WIN: sarq $32, %r[[REG2]] ; WIN: movslq %e[[REG4]], %r[[REG3:.+]] ; WIN: sarq $32, %r[[REG4]] ; WIN: movsd (%rcx,%r[[REG1]],8), %xmm0 ; WIN: movhpd (%rcx,%r[[REG2]],8), %xmm0 ; WIN: movsd (%rcx,%r[[REG3]],8), %xmm1 ; WIN: movhpd (%rcx,%r[[REG4]],8), %xmm1 define <4 x double> @foo(double* %p, <4 x i32>* %i, <4 x i32>* %h) nounwind { %a = load <4 x i32>, <4 x i32>* %i %b = load <4 x i32>, <4 x i32>* %h %j = and <4 x i32> %a, %b %d0 = extractelement <4 x i32> %j, i32 0 %d1 = extractelement <4 x i32> %j, i32 1 %d2 = extractelement <4 x i32> %j, i32 2 %d3 = extractelement <4 x i32> %j, i32 3 %q0 = getelementptr double, double* %p, i32 %d0 %q1 = getelementptr double, double* %p, i32 %d1 %q2 = getelementptr double, double* %p, i32 %d2 %q3 = getelementptr double, double* %p, i32 %d3 %r0 = load double, double* %q0 %r1 = load double, double* %q1 %r2 = load double, double* %q2 %r3 = load double, double* %q3 %v0 = insertelement <4 x double> undef, double %r0, i32 0 %v1 = insertelement <4 x double> %v0, double %r1, i32 1 %v2 = insertelement <4 x double> %v1, double %r2, i32 2 %v3 = insertelement <4 x double> %v2, double %r3, i32 3 ret <4 x double> %v3 } ; Check that the sequence previously used above, which bounces the vector off the ; cache works for x86-32. Note that in this case it will not be used for index ; calculation, since indexes are 32-bit, not 64. ; CHECK-LABEL: old: ; LIN32: movaps %xmm0, (%esp) ; LIN32-DAG: {{(mov|and)}}l (%esp), ; LIN32-DAG: {{(mov|and)}}l 4(%esp), ; LIN32-DAG: {{(mov|and)}}l 8(%esp), ; LIN32-DAG: {{(mov|and)}}l 12(%esp), define <4 x i64> @old(double* %p, <4 x i32>* %i, <4 x i32>* %h, i64 %f) nounwind { %a = load <4 x i32>, <4 x i32>* %i %b = load <4 x i32>, <4 x i32>* %h %j = and <4 x i32> %a, %b %d0 = extractelement <4 x i32> %j, i32 0 %d1 = extractelement <4 x i32> %j, i32 1 %d2 = extractelement <4 x i32> %j, i32 2 %d3 = extractelement <4 x i32> %j, i32 3 %q0 = zext i32 %d0 to i64 %q1 = zext i32 %d1 to i64 %q2 = zext i32 %d2 to i64 %q3 = zext i32 %d3 to i64 %r0 = and i64 %q0, %f %r1 = and i64 %q1, %f %r2 = and i64 %q2, %f %r3 = and i64 %q3, %f %v0 = insertelement <4 x i64> undef, i64 %r0, i32 0 %v1 = insertelement <4 x i64> %v0, i64 %r1, i32 1 %v2 = insertelement <4 x i64> %v1, i64 %r2, i32 2 %v3 = insertelement <4 x i64> %v2, i64 %r3, i32 3 ret <4 x i64> %v3 }