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06d35c8a0b
In particular, use CALL16 (similar to O32) for address loads into T9 for certain cases. Otherwise use a %got_disp relocation to load the address of a symbol. Small offsets (small enough to fit in a 16-bit signed immediate) can be used and are added to the symbol address after it is loaded from the GOT. Larger offsets are currently unsupported and result in an error from the assembler. Reviewers: sdardis Reviewed By: sdardis Patch by: John Baldwin Subscribers: llvm-commits, seanbruno, arichardson, emaste, dim Differential Revision: https://reviews.llvm.org/D33948 llvm-svn: 306831
51 lines
4.7 KiB
ArmAsm
51 lines
4.7 KiB
ArmAsm
# RUN: llvm-mc %s -triple=mips64-unknown-linux -show-encoding -mcpu=mips3 | \
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# RUN: FileCheck %s
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.option pic2
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dla $5, symbol # CHECK: ld $5, %got_disp(symbol)($gp) # encoding: [0xdf,0x85,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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dla $5, symbol($6) # CHECK: ld $5, %got_disp(symbol)($gp) # encoding: [0xdf,0x85,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x2d]
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dla $6, symbol($6) # CHECK: ld $1, %got_disp(symbol)($gp) # encoding: [0xdf,0x81,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddu $6, $1, $6 # encoding: [0x00,0x26,0x30,0x2d]
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dla $5, symbol+8 # CHECK: ld $5, %got_disp(symbol)($gp) # encoding: [0xdf,0x85,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddiu $5, $5, 8 # encoding: [0x64,0xa5,0x00,0x08]
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dla $5, symbol+8($6) # CHECK: ld $5, %got_disp(symbol)($gp) # encoding: [0xdf,0x85,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddiu $5, $5, 8 # encoding: [0x64,0xa5,0x00,0x08]
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# CHECK: daddu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x2d]
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dla $6, symbol+8($6) # CHECK: ld $1, %got_disp(symbol)($gp) # encoding: [0xdf,0x81,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddiu $1, $1, 8 # encoding: [0x64,0x21,0x00,0x08]
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# CHECK: daddu $6, $1, $6 # encoding: [0x00,0x26,0x30,0x2d]
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dla $5, 1f # CHECK: ld $5, %got_disp(.Ltmp0)($gp) # encoding: [0xdf,0x85,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(.Ltmp0), kind: fixup_Mips_GOT_DISP
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1:
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# PIC expansions involving $25 are special.
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dla $25, symbol # CHECK: ld $25, %call16(symbol)($gp) # encoding: [0xdf,0x99,A,A]
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# CHECK: # fixup A - offset: 0, value: %call16(symbol), kind: fixup_Mips_CALL16
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dla $25, symbol($6) # CHECK: ld $25, %got_disp(symbol)($gp) # encoding: [0xdf,0x99,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddu $25, $25, $6 # encoding: [0x03,0x26,0xc8,0x2d]
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dla $25, symbol($25) # CHECK: ld $1, %got_disp(symbol)($gp) # encoding: [0xdf,0x81,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddu $25, $1, $25 # encoding: [0x00,0x39,0xc8,0x2d]
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dla $25, symbol+8 # CHECK: ld $25, %got_disp(symbol)($gp) # encoding: [0xdf,0x99,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddiu $25, $25, 8 # encoding: [0x67,0x39,0x00,0x08]
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dla $25, symbol+8($6) # CHECK: ld $25, %got_disp(symbol)($gp) # encoding: [0xdf,0x99,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddiu $25, $25, 8 # encoding: [0x67,0x39,0x00,0x08]
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# CHECK: daddu $25, $25, $6 # encoding: [0x03,0x26,0xc8,0x2d]
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dla $25, symbol+8($25)# CHECK: ld $1, %got_disp(symbol)($gp) # encoding: [0xdf,0x81,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(symbol), kind: fixup_Mips_GOT_DISP
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# CHECK: daddiu $1, $1, 8 # encoding: [0x64,0x21,0x00,0x08]
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# CHECK: daddu $25, $1, $25 # encoding: [0x00,0x39,0xc8,0x2d]
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dla $25, 1f # CHECK: ld $25, %got_disp(.Ltmp1)($gp) # encoding: [0xdf,0x99,A,A]
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# CHECK: # fixup A - offset: 0, value: %got_disp(.Ltmp1), kind: fixup_Mips_GOT_DISP
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1:
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