llvm-6502/test/MC/Mips/mips64-register-names-n32-n64.s
Daniel Sanders 61bc405795 [mips] Print warning when using register names not available in N32/64
Summary:
The register names t4-t7 are not available in the N32 and N64 ABIs.
This patch prints a warning, when those names are used in N32/64,
along with a fix-it with the correct register names.

Patch by Vasileios Kalintiris

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5272


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218989 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-03 15:37:37 +00:00

70 lines
4.2 KiB
ArmAsm

# RUN: llvm-mc %s -triple=mips64-unknown-freebsd -show-encoding 2>%t0 \
# RUN: | FileCheck %s
# RUN: FileCheck -check-prefix=WARNING %s < %t0
#
# RUN: llvm-mc %s -triple=mips64-unknown-freebsd -show-encoding \
# RUN: -mattr=-n64,+n32 2>%t1 | FileCheck %s
# RUN: FileCheck -check-prefix=WARNING %s < %t1
#
# Check that the register names are mapped to their correct numbers for n32/n64
# Second byte of addiu with $zero at rt contains the number of the source
# register.
.set noat
daddiu $zero, $zero, 0 # CHECK: encoding: [0x64,0x00,0x00,0x00]
daddiu $at, $zero, 0 # CHECK: encoding: [0x64,0x01,0x00,0x00]
daddiu $v0, $zero, 0 # CHECK: encoding: [0x64,0x02,0x00,0x00]
daddiu $v1, $zero, 0 # CHECK: encoding: [0x64,0x03,0x00,0x00]
daddiu $a0, $zero, 0 # CHECK: encoding: [0x64,0x04,0x00,0x00]
daddiu $a1, $zero, 0 # CHECK: encoding: [0x64,0x05,0x00,0x00]
daddiu $a2, $zero, 0 # CHECK: encoding: [0x64,0x06,0x00,0x00]
daddiu $a3, $zero, 0 # CHECK: encoding: [0x64,0x07,0x00,0x00]
daddiu $a4, $zero, 0 # CHECK: encoding: [0x64,0x08,0x00,0x00]
daddiu $a5, $zero, 0 # CHECK: encoding: [0x64,0x09,0x00,0x00]
daddiu $a6, $zero, 0 # CHECK: encoding: [0x64,0x0a,0x00,0x00]
daddiu $a7, $zero, 0 # CHECK: encoding: [0x64,0x0b,0x00,0x00]
daddiu $t0, $zero, 0 # [*] # CHECK: encoding: [0x64,0x0c,0x00,0x00]
daddiu $t1, $zero, 0 # [*] # CHECK: encoding: [0x64,0x0d,0x00,0x00]
daddiu $t2, $zero, 0 # [*] # CHECK: encoding: [0x64,0x0e,0x00,0x00]
daddiu $t3, $zero, 0 # [*] # CHECK: encoding: [0x64,0x0f,0x00,0x00]
# WARNING: mips64-register-names-n32-n64.s:[[@LINE+4]]:9: warning: register names $t4-$t7 are only available in O32.
# WARNING-NEXT: daddiu $t4, $zero, 0 # {{CHECK}}: encoding: [0x64,0x0c,0x00,0x00]
# WARNING-NEXT: ^~
# WARNING-NEXT: Did you mean $t0?
daddiu $t4, $zero, 0 # CHECK: encoding: [0x64,0x0c,0x00,0x00]
# WARNING: mips64-register-names-n32-n64.s:[[@LINE+4]]:9: warning: register names $t4-$t7 are only available in O32.
# WARNING-NEXT: daddiu $t5, $zero, 0 # {{CHECK}}: encoding: [0x64,0x0d,0x00,0x00]
# WARNING-NEXT: ^~
# WARNING-NEXT: Did you mean $t1?
daddiu $t5, $zero, 0 # CHECK: encoding: [0x64,0x0d,0x00,0x00]
# WARNING: mips64-register-names-n32-n64.s:[[@LINE+4]]:9: warning: register names $t4-$t7 are only available in O32.
# WARNING-NEXT: daddiu $t6, $zero, 0 # {{CHECK}}: encoding: [0x64,0x0e,0x00,0x00]
# WARNING-NEXT: ^~
# WARNING-NEXT: Did you mean $t2?
daddiu $t6, $zero, 0 # CHECK: encoding: [0x64,0x0e,0x00,0x00]
# WARNING: mips64-register-names-n32-n64.s:[[@LINE+4]]:9: warning: register names $t4-$t7 are only available in O32.
# WARNING-NEXT: daddiu $t7, $zero, 0 # {{CHECK}}: encoding: [0x64,0x0f,0x00,0x00]
# WARNING-NEXT: ^~
# WARNING-NEXT: Did you mean $t3?
daddiu $t7, $zero, 0 # CHECK: encoding: [0x64,0x0f,0x00,0x00]
daddiu $s0, $zero, 0 # CHECK: encoding: [0x64,0x10,0x00,0x00]
daddiu $s1, $zero, 0 # CHECK: encoding: [0x64,0x11,0x00,0x00]
daddiu $s2, $zero, 0 # CHECK: encoding: [0x64,0x12,0x00,0x00]
daddiu $s3, $zero, 0 # CHECK: encoding: [0x64,0x13,0x00,0x00]
daddiu $s4, $zero, 0 # CHECK: encoding: [0x64,0x14,0x00,0x00]
daddiu $s5, $zero, 0 # CHECK: encoding: [0x64,0x15,0x00,0x00]
daddiu $s6, $zero, 0 # CHECK: encoding: [0x64,0x16,0x00,0x00]
daddiu $s7, $zero, 0 # CHECK: encoding: [0x64,0x17,0x00,0x00]
daddiu $t8, $zero, 0 # CHECK: encoding: [0x64,0x18,0x00,0x00]
daddiu $t9, $zero, 0 # CHECK: encoding: [0x64,0x19,0x00,0x00]
daddiu $kt0, $zero, 0 # CHECK: encoding: [0x64,0x1a,0x00,0x00]
daddiu $kt1, $zero, 0 # CHECK: encoding: [0x64,0x1b,0x00,0x00]
daddiu $gp, $zero, 0 # CHECK: encoding: [0x64,0x1c,0x00,0x00]
daddiu $sp, $zero, 0 # CHECK: encoding: [0x64,0x1d,0x00,0x00]
daddiu $s8, $zero, 0 # CHECK: encoding: [0x64,0x1e,0x00,0x00]
daddiu $fp, $zero, 0 # CHECK: encoding: [0x64,0x1e,0x00,0x00]
daddiu $ra, $zero, 0 # CHECK: encoding: [0x64,0x1f,0x00,0x00]
# [*] - t0-t3 are aliases of t4-t7 for compatibility with both the original
# ABI documentation (using t4-t7) and GNU As (using t0-t3)