| ; Test 64-bit atomic ORs. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s |
| |
| ; Check ORs of a variable. |
| define i64 @f1(i64 %dummy, i64 *%src, i64 %b) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: lg %r2, 0(%r3) |
| ; CHECK: [[LABEL:\.[^ ]*]]: |
| ; CHECK: lgr %r0, %r2 |
| ; CHECK: ogr %r0, %r4 |
| ; CHECK: csg %r2, %r0, 0(%r3) |
| ; CHECK: jl [[LABEL]] |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 %b seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the lowest useful OILL value. |
| define i64 @f2(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: lg %r2, 0(%r3) |
| ; CHECK: [[LABEL:\.[^ ]*]]: |
| ; CHECK: lgr %r0, %r2 |
| ; CHECK: oill %r0, 1 |
| ; CHECK: csg %r2, %r0, 0(%r3) |
| ; CHECK: jl [[LABEL]] |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 1 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the high end of the OILL range. |
| define i64 @f3(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: oill %r0, 65535 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 65535 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the lowest useful OILH value, which is the next value up. |
| define i64 @f4(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: oilh %r0, 1 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 65536 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the lowest useful OILF value, which is the next value up again. |
| define i64 @f5(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f5: |
| ; CHECK: oilf %r0, 65537 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 65537 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the high end of the OILH range. |
| define i64 @f6(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f6: |
| ; CHECK: oilh %r0, 65535 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 4294901760 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the next value up, which must use OILF. |
| define i64 @f7(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f7: |
| ; CHECK: oilf %r0, 4294901761 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 4294901761 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the high end of the OILF range. |
| define i64 @f8(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f8: |
| ; CHECK: oilf %r0, 4294967295 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 4294967295 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the lowest useful OIHL value, which is one greater than above. |
| define i64 @f9(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f9: |
| ; CHECK: oihl %r0, 1 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 4294967296 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the next value up, which must use a register. (We could use |
| ; combinations of OIH* and OIL* instead, but that isn't implemented.) |
| define i64 @f10(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f10: |
| ; CHECK: ogr |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 4294967297 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the high end of the OIHL range. |
| define i64 @f11(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f11: |
| ; CHECK: oihl %r0, 65535 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 281470681743360 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the lowest useful OIHH value, which is 1<<32 greater than above. |
| define i64 @f12(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f12: |
| ; CHECK: oihh %r0, 1 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 281474976710656 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the lowest useful OIHF value, which is 1<<32 greater again. |
| define i64 @f13(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f13: |
| ; CHECK: oihf %r0, 65537 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 281479271677952 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the high end of the OIHH range. |
| define i64 @f14(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f14: |
| ; CHECK: oihh %r0, 65535 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 18446462598732840960 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the next value up, which must use a register. |
| define i64 @f15(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f15: |
| ; CHECK: ogr |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 18446462598732840961 seq_cst |
| ret i64 %res |
| } |
| |
| ; Check the high end of the OIHF range. |
| define i64 @f16(i64 %dummy, i64 *%src) { |
| ; CHECK-LABEL: f16: |
| ; CHECK: oihf %r0, 4294967295 |
| ; CHECK: br %r14 |
| %res = atomicrmw or i64 *%src, i64 -4294967296 seq_cst |
| ret i64 %res |
| } |