test: nasm-t -- Add floatb test

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2024-12-09 08:51:18 +08:00 · 2018-11-04 18:29:24 +03:00 · 2018-11-04 18:29:24 +03:00 · fe6f73878a
commit fe6f73878a
parent e55f0b9daf
3 changed files with 44 additions and 0 deletions
--- a/travis/test/floatb.asm
+++ b/travis/test/floatb.asm
@ -0,0 +1,32 @@
+	;; Known problematic floating-point numbers and their proper
+	;; encoding...
+
+	bits 64
+
+	dd 1.1e10
+	dd 0x5023e9ac	; Should be...
+
+	dd 50.40e9
+	dd 0x513bc130	; Should be...
+
+	dq 1.4e23
+	dq 0x44bda56a4b0835c0
+
+	dq 50.48e21
+	dq 0x44a5610d7502feae
+
+	dt 1.2e28
+	dq 0x9b18ab5df7180b6c
+	dw 0x405c
+
+	dt 50.46e25
+	dq 0xd0b29a67e95dcb60
+	dw 0x4057
+
+	;; Way too big numbers, should overflow to +Inf
+	dd 1.0E646456955
+	dd 1.0E646456956
+	dd 1.0E2147483646
+	dd 1.0E2147483647
+	dd 1.0E2147483648
+	dd 1.0E2147483649
--- a/travis/test/floatb.bin.t
+++ b/travis/test/floatb.bin.t
--- a/travis/test/floatb.json
+++ b/travis/test/floatb.json
@ -0,0 +1,12 @@
+[
+	{
+		"description": "Test of known floating-point bugs",
+		"id": "floatb",
+		"format": "bin",
+		"source": "floatb.asm",
+		"option": "-Ox",
+		"target": [
+			{ "output": "floatb.bin" }
+		]
+	}
+]