From 6e1eeeebfb453fa7c871869c19375ce60fbd7413 Mon Sep 17 00:00:00 2001 From: Kartik Agaram Date: Sat, 27 Jul 2019 16:01:55 -0700 Subject: 5485 - promote SubX to top-level --- subx/022div.cc | 38 -------------------------------------- 1 file changed, 38 deletions(-) delete mode 100644 subx/022div.cc (limited to 'subx/022div.cc') diff --git a/subx/022div.cc b/subx/022div.cc deleted file mode 100644 index 15ed89d8..00000000 --- a/subx/022div.cc +++ /dev/null @@ -1,38 +0,0 @@ -//: helper for division operations: sign-extend EAX into EDX - -:(before "End Initialize Op Names") -put_new(Name, "99", "sign-extend EAX into EDX (cdq)"); - -:(code) -void test_cdq() { - Reg[EAX].i = 10; - run( - "== code 0x1\n" - "99\n" - ); - CHECK_TRACE_CONTENTS( - "run: sign-extend EAX into EDX\n" - "run: EDX is now 0x00000000\n" - ); -} - -:(before "End Single-Byte Opcodes") -case 0x99: { // sign-extend EAX into EDX - trace(Callstack_depth+1, "run") << "sign-extend EAX into EDX" << end(); - Reg[EDX].i = (Reg[EAX].i < 0) ? -1 : 0; - trace(Callstack_depth+1, "run") << "EDX is now 0x" << HEXWORD << Reg[EDX].u << end(); - break; -} - -:(code) -void test_cdq_negative() { - Reg[EAX].i = -10; - run( - "== code 0x1\n" - "99\n" - ); - CHECK_TRACE_CONTENTS( - "run: sign-extend EAX into EDX\n" - "run: EDX is now 0xffffffff\n" - ); -} -- cgit 1.4.1-2-gfad0