cmd/compile: when combining stores, use line number of first store

[gostls13.git] / test / codegen / memcombine.go

diff --git a/test/codegen/memcombine.go b/test/codegen/memcombine.go
index adad9c613d64699eb6ba9b66e223959ccc84e22e..1b8abc348a5a058c9dfe2bde31ef012ee35c3531 100644 (file)
--- a/test/codegen/memcombine.go
+++ b/test/codegen/memcombine.go
@@ -748,16 +748,16 @@ func zero_byte_4(b1, b2 []byte) {
 
 func zero_byte_8(b []byte) {
        _ = b[7]
-       b[0], b[1], b[2], b[3] = 0, 0, 0, 0
-       b[4], b[5], b[6], b[7] = 0, 0, 0, 0 // arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW"
+       b[0], b[1], b[2], b[3] = 0, 0, 0, 0 // arm64:"MOVD\tZR",-"MOVB",-"MOVH",-"MOVW"
+       b[4], b[5], b[6], b[7] = 0, 0, 0, 0
 }
 
 func zero_byte_16(b []byte) {
        _ = b[15]
-       b[0], b[1], b[2], b[3] = 0, 0, 0, 0
+       b[0], b[1], b[2], b[3] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH",-"MOVW"
        b[4], b[5], b[6], b[7] = 0, 0, 0, 0
        b[8], b[9], b[10], b[11] = 0, 0, 0, 0
-       b[12], b[13], b[14], b[15] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH",-"MOVW"
+       b[12], b[13], b[14], b[15] = 0, 0, 0, 0
 }
 
 func zero_byte_30(a *[30]byte) {
@@ -809,8 +809,8 @@ func zero_uint16_4(h1, h2 []uint16) {
 
 func zero_uint16_8(h []uint16) {
        _ = h[7]
-       h[0], h[1], h[2], h[3] = 0, 0, 0, 0
-       h[4], h[5], h[6], h[7] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH"
+       h[0], h[1], h[2], h[3] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH"
+       h[4], h[5], h[6], h[7] = 0, 0, 0, 0
 }
 
 func zero_uint32_2(w1, w2 []uint32) {
@@ -858,3 +858,27 @@ func loadstore2(p, q *S1) {
        // arm64:"MOVW",-"MOVH"
        q.a, q.b = a, b
 }
+
+func wideStore(p *[8]uint64) {
+       if p == nil {
+               return
+       }
+
+       // amd64:"MOVUPS",-"MOVQ"
+       // arm64:"STP",-"MOVD"
+       p[0] = 0
+       // amd64:-"MOVUPS",-"MOVQ"
+       // arm64:-"STP",-"MOVD"
+       p[1] = 0
+}
+
+func wideStore2(p *[8]uint64, x, y uint64) {
+       if p == nil {
+               return
+       }
+
+       // s390x:"STMG"
+       p[0] = x
+       // s390x:-"STMG",-"MOVD"
+       p[1] = y
+}