mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-21 18:29:45 +00:00
94b64060af
Summary: Made the following changes: Added calls to emitDirectiveSetNoAt() and emitDirectiveSetAt(). Added special emit function for .set at=$reg, emitDirectiveSetAtWithArg(unsigned RegNo). Improved parsing error checks for .set at. Refactored parser code for .set at. Improved testing of both directives. Improved code readability and comments. Reviewers: dsanders Reviewed By: dsanders Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D7176 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229097 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
1.8 KiB
ArmAsm
53 lines
1.8 KiB
ArmAsm
# RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips32r2 \
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# RUN: 2>%t1 | FileCheck %s
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# RUN: FileCheck -check-prefix=WARNINGS %s < %t1
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# Check that the assembler can handle the documented syntax
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# for ".set at" and set the correct value. The correct value for $at is always
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# $1 when written by the user.
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.text
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foo:
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at without ".set noat"
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.set at=$1
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at without ".set noat"
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.set at=$1
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jr $1
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at without ".set noat"
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.set at=$at
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at without ".set noat"
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.set at=$at
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jr $1
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# WARNINGS-NOT: warning: used $at without ".set noat"
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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.set at=$2
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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.set at=$3
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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.set noat
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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.set at=$0
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jr $at
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# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $16 with ".set at=$16"
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.set at=$16
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jr $s0
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# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $16 with ".set at=$16"
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.set at=$16
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jr $16
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# WARNINGS-NOT: warning
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