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feat(amd64): floating-point immediates through a synthesised pool
Test / test (push) Canceled after 1m3s
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Assisted-by: GLM 5.3 Flash
This commit is contained in:
petrbalvin
2026-09-21 02:03:08 +02:00
parent bfb7701db1
commit cb8d75df73
10 changed files with 761 additions and 41 deletions
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asm/kernels_differential_test.go
+8 -7
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@@ -63,7 +63,10 @@ func toolAsmObject(t *testing.T, path, goarch string) []byte {
}
// oracleFuncCode extracts the non-package TEXT functions' code bytes from a
// toolchain object, keyed by the name the object records (pkg.name).
// toolchain object, keyed by the name the object records (pkg.name). Each
// function's span is its own symbol size: a toolchain object that follows
// the text with data symbols (the synthesised float-constant pool) would
// otherwise fold them into the last function's bytes.
func oracleFuncCode(t *testing.T, obj []byte) map[string][]byte {
t.Helper()
v := openGoobj(t, obj)
@@ -76,18 +79,13 @@ func oracleFuncCode(t *testing.T, obj []byte) map[string][]byte {
for _, bi := range []int{blkSymdef, blkHashed64def, blkHasheddef} {
preceding += len(v.blk(bi)) / symSize
}
total := preceding + len(nps)
out := make(map[string][]byte, len(nps))
for i, s := range nps {
if s.typ != kindSTEXT {
continue
}
start := le.Uint32(didx[4*(preceding+i):])
end := uint32(len(data))
if preceding+i+1 < total {
end = le.Uint32(didx[4*(preceding+i+1):])
}
out[s.name] = data[start:end]
out[s.name] = data[start : start+s.size]
}
return out
}
@@ -129,6 +127,9 @@ func TestDifferentialKernels(t *testing.T) {
{filepath.Join("..", "testdata", "verify", "datarel_amd64.s"), "", false},
{filepath.Join("..", "testdata", "verify", "divslash_amd64.s"), "", false},
{filepath.Join("..", "testdata", "verify", "semicolons_amd64.s"), "", false},
{filepath.Join("..", "testdata", "verify", "quadreg_amd64.s"), "", false},
{filepath.Join("..", "testdata", "verify", "floatimm_amd64.s"), "", false},
{filepath.Join("..", "testdata", "verify", "bookkeep_amd64.s"), "", false},
{filepath.Join("..", "testdata", "verify", "datarel_arm64.s"), "arm64", true},
{filepath.Join("..", "testdata", "verify", "divslash_arm64.s"), "arm64", true},
} {