diff options
| author | Ben Shi <powerman1st@163.com> | 2018-07-10 10:32:04 +0000 |
|---|---|---|
| committer | Brad Fitzpatrick <bradfitz@golang.org> | 2018-08-02 04:23:45 +0000 |
| commit | de0e72610ba545b00543145d1f5d5d83ecb78f80 (patch) | |
| tree | 9d3328b3dda05662c13ab0f92c9ef971d7d9d0e1 | |
| parent | a7df7b9cdb34133aba9ba1581bc1f5ea6650309c (diff) | |
| download | go-de0e72610ba545b00543145d1f5d5d83ecb78f80.tar.gz go-de0e72610ba545b00543145d1f5d5d83ecb78f80.zip | |
test/codegen: add more combined store tests for arm64
Some combined store optimization was already implemented
in go-1.11, but there is no corresponding test cases.
Change-Id: Iebdad186e92047942e53a74f2c20b390922e1e9c
Reviewed-on: https://go-review.googlesource.com/122915
Run-TryBot: Ben Shi <powerman1st@163.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
| -rw-r--r-- | test/codegen/memcombine.go | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/codegen/memcombine.go b/test/codegen/memcombine.go index b849eef964..0db366250f 100644 --- a/test/codegen/memcombine.go +++ b/test/codegen/memcombine.go @@ -402,12 +402,66 @@ func store_be16_idx(b []byte, idx int) { binary.BigEndian.PutUint16(b[idx:], sink16) } +func store_le_byte_2(b []byte, val uint16) { + _ = b[2] + // arm64:`MOVH\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB` + b[1], b[2] = byte(val), byte(val>>8) +} + +func store_le_byte_4(b []byte, val uint32) { + _ = b[4] + // arm64:`MOVW\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH` + b[1], b[2], b[3], b[4] = byte(val), byte(val>>8), byte(val>>16), byte(val>>24) +} + +func store_le_byte_8(b []byte, val uint64) { + _ = b[8] + // arm64:`MOVD\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`MOVW` + b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8] = byte(val), byte(val>>8), byte(val>>16), byte(val>>24), byte(val>>32), byte(val>>40), byte(val>>48), byte(val>>56) +} + +func store_be_byte_2(b []byte, val uint16) { + _ = b[2] + // arm64:`REV16W`,`MOVH\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB` + b[1], b[2] = byte(val>>8), byte(val) +} + +func store_be_byte_4(b []byte, val uint32) { + _ = b[4] + // arm64:`REVW`,`MOVW\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`REV16W` + b[1], b[2], b[3], b[4] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val) +} + +func store_be_byte_8(b []byte, val uint64) { + _ = b[8] + // arm64:`REV`,`MOVD\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`MOVW`,-`REV16W`,-`REVW` + b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8] = byte(val>>56), byte(val>>48), byte(val>>40), byte(val>>32), byte(val>>24), byte(val>>16), byte(val>>8), byte(val) +} + +func store_le_byte_2_idx(b []byte, idx int, val uint16) { + _, _ = b[idx+0], b[idx+1] + // arm64:`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB` + b[idx+1], b[idx+0] = byte(val>>8), byte(val) +} + +func store_le_byte_4_idx(b []byte, idx int, val uint32) { + _, _, _, _ = b[idx+0], b[idx+1], b[idx+2], b[idx+3] + // arm64:`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`,-`MOVH` + b[idx+3], b[idx+2], b[idx+1], b[idx+0] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val) +} + func store_be_byte_2_idx(b []byte, idx int, val uint16) { _, _ = b[idx+0], b[idx+1] // arm64:`REV16W`,`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB` b[idx+0], b[idx+1] = byte(val>>8), byte(val) } +func store_be_byte_4_idx(b []byte, idx int, val uint32) { + _, _, _, _ = b[idx+0], b[idx+1], b[idx+2], b[idx+3] + // arm64:`REVW`,`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`REV16W` + b[idx+0], b[idx+1], b[idx+2], b[idx+3] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val) +} + func store_be_byte_2_idx2(b []byte, idx int, val uint16) { _, _ = b[(idx<<1)+0], b[(idx<<1)+1] // arm64:`REV16W`,`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`MOVB` |