diff options
Diffstat (limited to 'test/MC/Mips/set-at-directive-explicit-at.s')
| -rw-r--r-- | test/MC/Mips/set-at-directive-explicit-at.s | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/MC/Mips/set-at-directive-explicit-at.s b/test/MC/Mips/set-at-directive-explicit-at.s new file mode 100644 index 0000000..1bd26ff --- /dev/null +++ b/test/MC/Mips/set-at-directive-explicit-at.s @@ -0,0 +1,42 @@ +# RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips32r2 \ +# RUN: 2>%t1 | FileCheck %s +# RUN: FileCheck -check-prefix=WARNINGS %s < %t1 +# Check that the assembler can handle the documented syntax +# for ".set at" and set the correct value. The correct value for $at is always +# $1 when written by the user. + .text +foo: +# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] +# WARNINGS: :[[@LINE+2]]:11: warning: Used $at without ".set noat" + .set at=$1 + jr $at + +# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] +# WARNINGS: :[[@LINE+2]]:11: warning: Used $at without ".set noat" + .set at=$1 + jr $1 +# WARNINGS-NOT: warning: Used $at without ".set noat" + +# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] + .set at=$2 + jr $at +# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] + .set at=$3 + jr $at +# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] + .set noat + jr $at +# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] + .set at=$0 + jr $at + +# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02] +# WARNINGS: :[[@LINE+2]]:11: warning: Used $16 with ".set at=$16" + .set at=$16 + jr $s0 + +# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02] +# WARNINGS: :[[@LINE+2]]:11: warning: Used $16 with ".set at=$16" + .set at=$16 + jr $16 +# WARNINGS-NOT: warning |