; Like frame-02.ll, but with long doubles rather than floats. Some of the ; cases are slightly different because we need to allocate pairs of FPRs. ; ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s ; This function should require all FPRs, but no other spill slots. ; We need to save and restore 8 of the 16 FPRs, so the frame size ; should be exactly 160 + 8 * 8 = 224. The CFA offset is 160 ; (the caller-allocated part of the frame) + 224. define void @f1(fp128 *%ptr) { ; CHECK-LABEL: f1: ; CHECK: aghi %r15, -224 ; CHECK: .cfi_def_cfa_offset 384 ; CHECK: std %f8, 216(%r15) ; CHECK: std %f9, 208(%r15) ; CHECK: std %f10, 200(%r15) ; CHECK: std %f11, 192(%r15) ; CHECK: std %f12, 184(%r15) ; CHECK: std %f13, 176(%r15) ; CHECK: std %f14, 168(%r15) ; CHECK: std %f15, 160(%r15) ; CHECK: .cfi_offset %f8, -168 ; CHECK: .cfi_offset %f9, -176 ; CHECK: .cfi_offset %f10, -184 ; CHECK: .cfi_offset %f11, -192 ; CHECK: .cfi_offset %f12, -200 ; CHECK: .cfi_offset %f13, -208 ; CHECK: .cfi_offset %f14, -216 ; CHECK: .cfi_offset %f15, -224 ; ...main function body... ; CHECK: ld %f8, 216(%r15) ; CHECK: ld %f9, 208(%r15) ; CHECK: ld %f10, 200(%r15) ; CHECK: ld %f11, 192(%r15) ; CHECK: ld %f12, 184(%r15) ; CHECK: ld %f13, 176(%r15) ; CHECK: ld %f14, 168(%r15) ; CHECK: ld %f15, 160(%r15) ; CHECK: aghi %r15, 224 ; CHECK: br %r14 %l0 = load volatile fp128, fp128 *%ptr %l1 = load volatile fp128, fp128 *%ptr %l4 = load volatile fp128, fp128 *%ptr %l5 = load volatile fp128, fp128 *%ptr %l8 = load volatile fp128, fp128 *%ptr %l9 = load volatile fp128, fp128 *%ptr %l12 = load volatile fp128, fp128 *%ptr %l13 = load volatile fp128, fp128 *%ptr %add0 = fadd fp128 %l0, %l0 %add1 = fadd fp128 %l1, %add0 %add4 = fadd fp128 %l4, %add1 %add5 = fadd fp128 %l5, %add4 %add8 = fadd fp128 %l8, %add5 %add9 = fadd fp128 %l9, %add8 %add12 = fadd fp128 %l12, %add9 %add13 = fadd fp128 %l13, %add12 store volatile fp128 %add0, fp128 *%ptr store volatile fp128 %add1, fp128 *%ptr store volatile fp128 %add4, fp128 *%ptr store volatile fp128 %add5, fp128 *%ptr store volatile fp128 %add8, fp128 *%ptr store volatile fp128 %add9, fp128 *%ptr store volatile fp128 %add12, fp128 *%ptr store volatile fp128 %add13, fp128 *%ptr ret void } ; Like f1, but requires one fewer FPR pair. We allocate in numerical order, ; so %f13+%f15 is the pair that gets dropped. define void @f2(fp128 *%ptr) { ; CHECK-LABEL: f2: ; CHECK: aghi %r15, -208 ; CHECK: .cfi_def_cfa_offset 368 ; CHECK: std %f8, 200(%r15) ; CHECK: std %f9, 192(%r15) ; CHECK: std %f10, 184(%r15) ; CHECK: std %f11, 176(%r15) ; CHECK: std %f12, 168(%r15) ; CHECK: std %f14, 160(%r15) ; CHECK: .cfi_offset %f8, -168 ; CHECK: .cfi_offset %f9, -176 ; CHECK: .cfi_offset %f10, -184 ; CHECK: .cfi_offset %f11, -192 ; CHECK: .cfi_offset %f12, -200 ; CHECK: .cfi_offset %f14, -208 ; CHECK-NOT: %f13 ; CHECK-NOT: %f15 ; ...main function body... ; CHECK: ld %f8, 200(%r15) ; CHECK: ld %f9, 192(%r15) ; CHECK: ld %f10, 184(%r15) ; CHECK: ld %f11, 176(%r15) ; CHECK: ld %f12, 168(%r15) ; CHECK: ld %f14, 160(%r15) ; CHECK: aghi %r15, 208 ; CHECK: br %r14 %l0 = load volatile fp128, fp128 *%ptr %l1 = load volatile fp128, fp128 *%ptr %l4 = load volatile fp128, fp128 *%ptr %l5 = load volatile fp128, fp128 *%ptr %l8 = load volatile fp128, fp128 *%ptr %l9 = load volatile fp128, fp128 *%ptr %l12 = load volatile fp128, fp128 *%ptr %add0 = fadd fp128 %l0, %l0 %add1 = fadd fp128 %l1, %add0 %add4 = fadd fp128 %l4, %add1 %add5 = fadd fp128 %l5, %add4 %add8 = fadd fp128 %l8, %add5 %add9 = fadd fp128 %l9, %add8 %add12 = fadd fp128 %l12, %add9 store volatile fp128 %add0, fp128 *%ptr store volatile fp128 %add1, fp128 *%ptr store volatile fp128 %add4, fp128 *%ptr store volatile fp128 %add5, fp128 *%ptr store volatile fp128 %add8, fp128 *%ptr store volatile fp128 %add9, fp128 *%ptr store volatile fp128 %add12, fp128 *%ptr ret void } ; Like f1, but requires only one call-saved FPR pair. We allocate in ; numerical order so the pair should be %f8+%f10. define void @f3(fp128 *%ptr) { ; CHECK-LABEL: f3: ; CHECK: aghi %r15, -176 ; CHECK: .cfi_def_cfa_offset 336 ; CHECK: std %f8, 168(%r15) ; CHECK: std %f10, 160(%r15) ; CHECK: .cfi_offset %f8, -168 ; CHECK: .cfi_offset %f10, -176 ; CHECK-NOT: %f9 ; CHECK-NOT: %f11 ; CHECK-NOT: %f12 ; CHECK-NOT: %f13 ; CHECK-NOT: %f14 ; CHECK-NOT: %f15 ; ...main function body... ; CHECK: ld %f8, 168(%r15) ; CHECK: ld %f10, 160(%r15) ; CHECK: aghi %r15, 176 ; CHECK: br %r14 %l0 = load volatile fp128, fp128 *%ptr %l1 = load volatile fp128, fp128 *%ptr %l4 = load volatile fp128, fp128 *%ptr %l5 = load volatile fp128, fp128 *%ptr %l8 = load volatile fp128, fp128 *%ptr %add0 = fadd fp128 %l0, %l0 %add1 = fadd fp128 %l1, %add0 %add4 = fadd fp128 %l4, %add1 %add5 = fadd fp128 %l5, %add4 %add8 = fadd fp128 %l8, %add5 store volatile fp128 %add0, fp128 *%ptr store volatile fp128 %add1, fp128 *%ptr store volatile fp128 %add4, fp128 *%ptr store volatile fp128 %add5, fp128 *%ptr store volatile fp128 %add8, fp128 *%ptr ret void } ; This function should use all call-clobbered FPRs but no call-saved ones. ; It shouldn't need to create a frame. define void @f4(fp128 *%ptr) { ; CHECK-LABEL: f4: ; CHECK-NOT: %r15 ; CHECK-NOT: %f8 ; CHECK-NOT: %f9 ; CHECK-NOT: %f10 ; CHECK-NOT: %f11 ; CHECK-NOT: %f12 ; CHECK-NOT: %f13 ; CHECK-NOT: %f14 ; CHECK-NOT: %f15 ; CHECK: br %r14 %l0 = load volatile fp128, fp128 *%ptr %l1 = load volatile fp128, fp128 *%ptr %l4 = load volatile fp128, fp128 *%ptr %l5 = load volatile fp128, fp128 *%ptr %add0 = fadd fp128 %l0, %l0 %add1 = fadd fp128 %l1, %add0 %add4 = fadd fp128 %l4, %add1 %add5 = fadd fp128 %l5, %add4 store volatile fp128 %add0, fp128 *%ptr store volatile fp128 %add1, fp128 *%ptr store volatile fp128 %add4, fp128 *%ptr store volatile fp128 %add5, fp128 *%ptr ret void }