From 02e6c64a046eaaed36944888b7f01a508cb31669 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomasz=20Mi=C4=85sko?= <tomasz.miasko@gmail.com>
Date: Wed, 12 Jan 2022 00:00:00 +0000
Subject: [PATCH] Migrate inline assembly incremental tests to asm!

---
 src/test/incremental/hashes/inline_asm.rs | 130 +++++++++-------------
 1 file changed, 53 insertions(+), 77 deletions(-)

diff --git a/src/test/incremental/hashes/inline_asm.rs b/src/test/incremental/hashes/inline_asm.rs
index 1ddb345e5664c..bb836f203f5c0 100644
--- a/src/test/incremental/hashes/inline_asm.rs
+++ b/src/test/incremental/hashes/inline_asm.rs
@@ -18,23 +18,19 @@
 
 #![allow(warnings)]
 #![feature(rustc_attrs)]
-#![feature(llvm_asm)]
 #![crate_type="rlib"]
 
-
+use std::arch::asm;
 
 // Change template
 #[cfg(any(cfail1,cfail4))]
 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
-pub fn change_template(a: i32) -> i32 {
+pub fn change_template(_a: i32) -> i32 {
     let c: i32;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(c)
-                  : "0"(a)
-                  :
-                  :
-                  );
+        asm!("mov {0}, 1",
+             out(reg) c
+             );
     }
     c
 }
@@ -45,15 +41,12 @@ pub fn change_template(a: i32) -> i32 {
 #[rustc_clean(cfg="cfail5", except="hir_owner_nodes, optimized_mir")]
 #[rustc_clean(cfg="cfail6")]
 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
-pub fn change_template(a: i32) -> i32 {
+pub fn change_template(_a: i32) -> i32 {
     let c: i32;
     unsafe {
-        llvm_asm!("add 2, $0"
-                  : "=r"(c)
-                  : "0"(a)
-                  :
-                  :
-                  );
+        asm!("mov {0}, 2",
+             out(reg) c
+             );
     }
     c
 }
@@ -67,12 +60,10 @@ pub fn change_output(a: i32) -> i32 {
     let mut _out1: i32 = 0;
     let mut _out2: i32 = 0;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out1)
-                  : "0"(a)
-                  :
-                  :
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out1,
+             in(reg) a
+             );
     }
     _out1
 }
@@ -87,12 +78,10 @@ pub fn change_output(a: i32) -> i32 {
     let mut _out1: i32 = 0;
     let mut _out2: i32 = 0;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out2)
-                  : "0"(a)
-                  :
-                  :
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out2,
+             in(reg) a
+             );
     }
     _out1
 }
@@ -105,12 +94,10 @@ pub fn change_output(a: i32) -> i32 {
 pub fn change_input(_a: i32, _b: i32) -> i32 {
     let _out;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out)
-                  : "0"(_a)
-                  :
-                  :
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out,
+             in(reg) _a
+             );
     }
     _out
 }
@@ -124,12 +111,10 @@ pub fn change_input(_a: i32, _b: i32) -> i32 {
 pub fn change_input(_a: i32, _b: i32) -> i32 {
     let _out;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out)
-                  : "0"(_b)
-                  :
-                  :
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out,
+             in(reg) _b
+             );
     }
     _out
 }
@@ -142,12 +127,10 @@ pub fn change_input(_a: i32, _b: i32) -> i32 {
 pub fn change_input_constraint(_a: i32, _b: i32) -> i32 {
     let _out;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out)
-                  : "0"(_a), "r"(_b)
-                  :
-                  :
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out,
+             in(reg) _a,
+             in("eax") _b);
     }
     _out
 }
@@ -161,30 +144,26 @@ pub fn change_input_constraint(_a: i32, _b: i32) -> i32 {
 pub fn change_input_constraint(_a: i32, _b: i32) -> i32 {
     let _out;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out)
-                  : "r"(_a), "0"(_b)
-                  :
-                  :
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out,
+             in(reg) _a,
+             in("ecx") _b);
     }
     _out
 }
 
 
-
 // Change clobber
 #[cfg(any(cfail1,cfail4))]
 #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
 pub fn change_clobber(_a: i32) -> i32 {
     let _out;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out)
-                  : "0"(_a)
-                  :/*--*/
-                  :
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out,
+             in(reg) _a,
+             lateout("ecx") _
+             );
     }
     _out
 }
@@ -198,12 +177,11 @@ pub fn change_clobber(_a: i32) -> i32 {
 pub fn change_clobber(_a: i32) -> i32 {
     let _out;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out)
-                  : "0"(_a)
-                  : "eax"
-                  :
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out,
+             in(reg) _a,
+             lateout("edx") _
+             );
     }
     _out
 }
@@ -216,12 +194,11 @@ pub fn change_clobber(_a: i32) -> i32 {
 pub fn change_options(_a: i32) -> i32 {
     let _out;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out)
-                  : "0"(_a)
-                  :
-                  :/*-------*/
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out,
+             in(reg) _a,
+             options(readonly),
+             );
     }
     _out
 }
@@ -235,12 +212,11 @@ pub fn change_options(_a: i32) -> i32 {
 pub fn change_options(_a: i32) -> i32 {
     let _out;
     unsafe {
-        llvm_asm!("add 1, $0"
-                  : "=r"(_out)
-                  : "0"(_a)
-                  :
-                  : "volatile"
-                  );
+        asm!("mov {0}, {1}",
+             out(reg) _out,
+             in(reg) _a,
+             options(nomem   ),
+             );
     }
     _out
 }