| ; Test long double atomic loads - via i128. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck -check-prefixes=CHECK,BASE %s |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck -check-prefixes=CHECK,Z13 %s |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mattr=+soft-float | FileCheck -check-prefixes=SOFTFP %s |
| |
| define void @f1(ptr %ret, ptr %src) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lpq %r0, 0(%r3) |
| ; CHECK-NEXT: stg %r1, 8(%r2) |
| ; CHECK-NEXT: stg %r0, 0(%r2) |
| ; CHECK-NEXT: br %r14 |
| |
| ; SOFTFP-LABEL: f1: |
| ; SOFTFP: # %bb.0: |
| ; SOFTFP-NEXT: lpq %r0, 0(%r3) |
| ; SOFTFP-NEXT: stg %r1, 8(%r2) |
| ; SOFTFP-NEXT: stg %r0, 0(%r2) |
| ; SOFTFP-NEXT: br %r14 |
| %val = load atomic fp128, ptr %src seq_cst, align 16 |
| store fp128 %val, ptr %ret, align 8 |
| ret void |
| } |
| |
| define void @f1_fpuse(ptr %ret, ptr %src) { |
| ; CHECK-LABEL: f1_fpuse: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lpq %r0, 0(%r3) |
| |
| ; BASE-NEXT: ldgr %f0, %r0 |
| ; BASE-NEXT: ldgr %f2, %r1 |
| |
| ; Z13-NEXT: vlvgp %v0, %r0, %r1 |
| ; Z13-NEXT: vrepg %v2, %v0, 1 |
| |
| ; CHECK-NEXT: axbr %f0, %f0 |
| ; CHECK-NEXT: std %f0, 0(%r2) |
| ; CHECK-NEXT: std %f2, 8(%r2) |
| ; CHECK-NEXT: br %r14 |
| |
| |
| ; SOFTFP-LABEL: f1_fpuse: |
| ; SOFTFP: stmg %r13, %r15, 104(%r15) |
| ; SOFTFP: aghi %r15, -208 |
| ; SOFTFP: lpq %r0, 0(%r3) |
| ; SOFTFP-NEXT: lgr %r13, %r2 |
| ; SOFTFP-NEXT: stg %r1, 168(%r15) |
| ; SOFTFP-NEXT: stg %r0, 160(%r15) |
| ; SOFTFP-NEXT: stg %r1, 184(%r15) |
| ; SOFTFP-NEXT: la %r2, 192(%r15) |
| ; SOFTFP-NEXT: la %r3, 176(%r15) |
| ; SOFTFP-NEXT: la %r4, 160(%r15) |
| ; SOFTFP-NEXT: stg %r0, 176(%r15) |
| ; SOFTFP-NEXT: brasl %r14, __addtf3@PLT |
| ; SOFTFP-NEXT: lg %r0, 200(%r15) |
| ; SOFTFP-NEXT: lg %r1, 192(%r15) |
| ; SOFTFP-NEXT: stg %r0, 8(%r13) |
| ; SOFTFP-NEXT: stg %r1, 0(%r13) |
| ; SOFTFP-NEXT: lmg %r13, %r15, 312(%r15) |
| ; SOFTFP-NEXT: br %r14 |
| %val = load atomic fp128, ptr %src seq_cst, align 16 |
| %use = fadd fp128 %val, %val |
| store fp128 %use, ptr %ret, align 8 |
| ret void |
| } |
| |
| define void @f2(ptr %ret, ptr %src) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: brasl %r14, __atomic_load@PLT |
| %val = load atomic fp128, ptr %src seq_cst, align 8 |
| store fp128 %val, ptr %ret, align 8 |
| ret void |
| } |
| |
| define void @f2_fpuse(ptr %ret, ptr %src) { |
| ; CHECK-LABEL: f2_fpuse: |
| ; CHECK: brasl %r14, __atomic_load@PLT |
| ; CHECK-NEXT: ld %f0, 160(%r15) |
| ; CHECK-NEXT: ld %f2, 168(%r15) |
| ; CHECK-NEXT: axbr %f0, %f0 |
| ; CHECK-NEXT: std %f0, 0(%r13) |
| ; CHECK-NEXT: std %f2, 8(%r13) |
| ; CHECK-NEXT: lmg %r13, %r15, 280(%r15) |
| ; CHECK-NEXT: br %r14 |
| %val = load atomic fp128, ptr %src seq_cst, align 8 |
| %use = fadd fp128 %val, %val |
| store fp128 %use, ptr %ret, align 8 |
| ret void |
| } |