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From 70d0e4d5052565eb7124d00542249c0059c26378 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Mon, 28 Apr 2025 22:44:49 -0700
Subject: [PATCH] Fix aliasing violation
---
emit.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/emit.c b/emit.c
index 04837a5..19fd56d 100644
--- a/emit.c
+++ b/emit.c
@@ -155,7 +155,7 @@ emitfin(FILE *f, char *sec[3])
{
Asmbits *b;
int lg, i;
- union { int32_t i; float f; } u;
+ union { int32_t i32; float f32; int64_t i64; double f64; } u;
if (!stash)
return;
@@ -174,18 +174,18 @@ emitfin(FILE *f, char *sec[3])
"\n\t.quad %"PRId64
"\n\t.quad 0\n\n",
(int64_t)b->n);
- else if (lg == 3)
+ else if (lg == 3) {
+ u.i64 = b->n;
fprintf(f,
"\n\t.quad %"PRId64
" /* %f */\n\n",
- (int64_t)b->n,
- *(double *)&b->n);
- else if (lg == 2) {
- u.i = b->n;
+ u.i64, u.f64);
+ } else if (lg == 2) {
+ u.i32 = b->n;
fprintf(f,
"\n\t.int %"PRId32
" /* %f */\n\n",
- u.i, (double)u.f);
+ u.i32, u.f32);
}
}
}
--
2.45.2
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