1; Test spilling of FPRs. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5; We need to save and restore 8 of the 16 FPRs and allocate an additional 6; 4-byte spill slot, rounded to 8 bytes. The frame size should be exactly 7; 160 + 8 * 8 = 232. 8define void @f1(float *%ptr) { 9; CHECK-LABEL: f1: 10; CHECK: aghi %r15, -232 11; CHECK: std %f8, 224(%r15) 12; CHECK: std %f9, 216(%r15) 13; CHECK: std %f10, 208(%r15) 14; CHECK: std %f11, 200(%r15) 15; CHECK: std %f12, 192(%r15) 16; CHECK: std %f13, 184(%r15) 17; CHECK: std %f14, 176(%r15) 18; CHECK: std %f15, 168(%r15) 19; CHECK-NOT: 160(%r15) 20; CHECK: ste [[REGISTER:%f[0-9]+]], 164(%r15) 21; CHECK-NOT: 160(%r15) 22; CHECK: le [[REGISTER]], 164(%r15) 23; CHECK-NOT: 160(%r15) 24; CHECK: ld %f8, 224(%r15) 25; CHECK: ld %f9, 216(%r15) 26; CHECK: ld %f10, 208(%r15) 27; CHECK: ld %f11, 200(%r15) 28; CHECK: ld %f12, 192(%r15) 29; CHECK: ld %f13, 184(%r15) 30; CHECK: ld %f14, 176(%r15) 31; CHECK: ld %f15, 168(%r15) 32; CHECK: aghi %r15, 232 33; CHECK: br %r14 34 %l0 = load volatile float *%ptr 35 %l1 = load volatile float *%ptr 36 %l2 = load volatile float *%ptr 37 %l3 = load volatile float *%ptr 38 %l4 = load volatile float *%ptr 39 %l5 = load volatile float *%ptr 40 %l6 = load volatile float *%ptr 41 %l7 = load volatile float *%ptr 42 %l8 = load volatile float *%ptr 43 %l9 = load volatile float *%ptr 44 %l10 = load volatile float *%ptr 45 %l11 = load volatile float *%ptr 46 %l12 = load volatile float *%ptr 47 %l13 = load volatile float *%ptr 48 %l14 = load volatile float *%ptr 49 %l15 = load volatile float *%ptr 50 %lx = load volatile float *%ptr 51 store volatile float %lx, float *%ptr 52 store volatile float %l15, float *%ptr 53 store volatile float %l14, float *%ptr 54 store volatile float %l13, float *%ptr 55 store volatile float %l12, float *%ptr 56 store volatile float %l11, float *%ptr 57 store volatile float %l10, float *%ptr 58 store volatile float %l9, float *%ptr 59 store volatile float %l8, float *%ptr 60 store volatile float %l7, float *%ptr 61 store volatile float %l6, float *%ptr 62 store volatile float %l5, float *%ptr 63 store volatile float %l4, float *%ptr 64 store volatile float %l3, float *%ptr 65 store volatile float %l2, float *%ptr 66 store volatile float %l1, float *%ptr 67 store volatile float %l0, float *%ptr 68 ret void 69} 70 71; Same for doubles, except that the full spill slot is used. 72define void @f2(double *%ptr) { 73; CHECK-LABEL: f2: 74; CHECK: aghi %r15, -232 75; CHECK: std %f8, 224(%r15) 76; CHECK: std %f9, 216(%r15) 77; CHECK: std %f10, 208(%r15) 78; CHECK: std %f11, 200(%r15) 79; CHECK: std %f12, 192(%r15) 80; CHECK: std %f13, 184(%r15) 81; CHECK: std %f14, 176(%r15) 82; CHECK: std %f15, 168(%r15) 83; CHECK: std [[REGISTER:%f[0-9]+]], 160(%r15) 84; CHECK: ld [[REGISTER]], 160(%r15) 85; CHECK: ld %f8, 224(%r15) 86; CHECK: ld %f9, 216(%r15) 87; CHECK: ld %f10, 208(%r15) 88; CHECK: ld %f11, 200(%r15) 89; CHECK: ld %f12, 192(%r15) 90; CHECK: ld %f13, 184(%r15) 91; CHECK: ld %f14, 176(%r15) 92; CHECK: ld %f15, 168(%r15) 93; CHECK: aghi %r15, 232 94; CHECK: br %r14 95 %l0 = load volatile double *%ptr 96 %l1 = load volatile double *%ptr 97 %l2 = load volatile double *%ptr 98 %l3 = load volatile double *%ptr 99 %l4 = load volatile double *%ptr 100 %l5 = load volatile double *%ptr 101 %l6 = load volatile double *%ptr 102 %l7 = load volatile double *%ptr 103 %l8 = load volatile double *%ptr 104 %l9 = load volatile double *%ptr 105 %l10 = load volatile double *%ptr 106 %l11 = load volatile double *%ptr 107 %l12 = load volatile double *%ptr 108 %l13 = load volatile double *%ptr 109 %l14 = load volatile double *%ptr 110 %l15 = load volatile double *%ptr 111 %lx = load volatile double *%ptr 112 store volatile double %lx, double *%ptr 113 store volatile double %l15, double *%ptr 114 store volatile double %l14, double *%ptr 115 store volatile double %l13, double *%ptr 116 store volatile double %l12, double *%ptr 117 store volatile double %l11, double *%ptr 118 store volatile double %l10, double *%ptr 119 store volatile double %l9, double *%ptr 120 store volatile double %l8, double *%ptr 121 store volatile double %l7, double *%ptr 122 store volatile double %l6, double *%ptr 123 store volatile double %l5, double *%ptr 124 store volatile double %l4, double *%ptr 125 store volatile double %l3, double *%ptr 126 store volatile double %l2, double *%ptr 127 store volatile double %l1, double *%ptr 128 store volatile double %l0, double *%ptr 129 ret void 130} 131 132; The long double case needs a 16-byte spill slot. 133define void @f3(fp128 *%ptr) { 134; CHECK-LABEL: f3: 135; CHECK: aghi %r15, -240 136; CHECK: std %f8, 232(%r15) 137; CHECK: std %f9, 224(%r15) 138; CHECK: std %f10, 216(%r15) 139; CHECK: std %f11, 208(%r15) 140; CHECK: std %f12, 200(%r15) 141; CHECK: std %f13, 192(%r15) 142; CHECK: std %f14, 184(%r15) 143; CHECK: std %f15, 176(%r15) 144; CHECK: std [[REGISTER1:%f[0-9]+]], 160(%r15) 145; CHECK: std [[REGISTER2:%f[0-9]+]], 168(%r15) 146; CHECK: ld [[REGISTER1]], 160(%r15) 147; CHECK: ld [[REGISTER2]], 168(%r15) 148; CHECK: ld %f8, 232(%r15) 149; CHECK: ld %f9, 224(%r15) 150; CHECK: ld %f10, 216(%r15) 151; CHECK: ld %f11, 208(%r15) 152; CHECK: ld %f12, 200(%r15) 153; CHECK: ld %f13, 192(%r15) 154; CHECK: ld %f14, 184(%r15) 155; CHECK: ld %f15, 176(%r15) 156; CHECK: aghi %r15, 240 157; CHECK: br %r14 158 %l0 = load volatile fp128 *%ptr 159 %l1 = load volatile fp128 *%ptr 160 %l4 = load volatile fp128 *%ptr 161 %l5 = load volatile fp128 *%ptr 162 %l8 = load volatile fp128 *%ptr 163 %l9 = load volatile fp128 *%ptr 164 %l12 = load volatile fp128 *%ptr 165 %l13 = load volatile fp128 *%ptr 166 %lx = load volatile fp128 *%ptr 167 store volatile fp128 %lx, fp128 *%ptr 168 store volatile fp128 %l13, fp128 *%ptr 169 store volatile fp128 %l12, fp128 *%ptr 170 store volatile fp128 %l9, fp128 *%ptr 171 store volatile fp128 %l8, fp128 *%ptr 172 store volatile fp128 %l5, fp128 *%ptr 173 store volatile fp128 %l4, fp128 *%ptr 174 store volatile fp128 %l1, fp128 *%ptr 175 store volatile fp128 %l0, fp128 *%ptr 176 ret void 177} 178