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first pass at DATA sections

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This commit is contained in:
Michael McLoughlin
2018-12-27 11:57:46 -08:00
parent d29c6340d7
commit 9243d299e6
11 changed files with 250 additions and 15 deletions
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24
examples/sha1/asm.go
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@@ -15,16 +15,16 @@ func main() {
// Store message values on the stack.
w := AllocLocal(64)
W := func(r int) Mem { return w.Idx((r % 16) * 4) }
W := func(r int) Mem { return w.Offset((r % 16) * 4) }
// Load initial hash.
h0, h1, h2, h3, h4 := GP32v(), GP32v(), GP32v(), GP32v(), GP32v()
MOVL(h.Idx(0), h0)
MOVL(h.Idx(4), h1)
MOVL(h.Idx(8), h2)
MOVL(h.Idx(12), h3)
MOVL(h.Idx(16), h4)
MOVL(h.Offset(0), h0)
MOVL(h.Offset(4), h1)
MOVL(h.Offset(8), h2)
MOVL(h.Offset(12), h3)
MOVL(h.Offset(16), h4)
// Initialize registers.
a, b, c, d, e := GP32v(), GP32v(), GP32v(), GP32v(), GP32v()
@@ -52,7 +52,7 @@ func main() {
// Load message value.
u := GP32v()
if r < 16 {
MOVL(m.Idx(4*r), u)
MOVL(m.Offset(4*r), u)
BSWAPL(u)
} else {
MOVL(W(r-3), u)
@@ -85,11 +85,11 @@ func main() {
ADDL(e, h4)
// Store results back.
MOVL(h0, h.Idx(0))
MOVL(h1, h.Idx(4))
MOVL(h2, h.Idx(8))
MOVL(h3, h.Idx(12))
MOVL(h4, h.Idx(16))
MOVL(h0, h.Offset(0))
MOVL(h1, h.Offset(4))
MOVL(h2, h.Offset(8))
MOVL(h3, h.Offset(12))
MOVL(h4, h.Offset(16))
RET()
Generate()