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Corrects previously incorrect $sp change in MipsCompilationCallback.

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The address for $sp, and addresses for sdc1/ldc1 must be 8-byte aligned

Patch by Petar Jovanovic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142930 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2011-10-25 17:30:47 +00:00
parent 51583ce4b6
commit 02dc51806e
1 changed files with 7 additions and 7 deletions
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14
lib/Target/Mips/MipsJITInfo.cpp
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@ -57,11 +57,11 @@ void MipsCompilationCallback();
".globl " ASMPREFIX "MipsCompilationCallback\n"
ASMPREFIX "MipsCompilationCallback:\n"
".ent " ASMPREFIX "MipsCompilationCallback\n"
".frame $29, 32, $31\n"
".frame $sp, 32, $ra\n"
".set noreorder\n"
".cpload $t9\n"
"addiu $sp, $sp, -60\n"
"addiu $sp, $sp, -64\n"
".cprestore 16\n"
// Save argument registers a0, a1, a2, a3, f12, f14 since they may contain
@ -76,8 +76,8 @@ void MipsCompilationCallback();
"sw $a3, 32($sp)\n"
"sw $ra, 36($sp)\n"
"sw $t8, 40($sp)\n"
"sdc1 $f12, 44($sp)\n"
"sdc1 $f14, 52($sp)\n"
"sdc1 $f12, 48($sp)\n"
"sdc1 $f14, 56($sp)\n"
// t8 points at the end of function stub. Pass the beginning of the stub
// to the MipsCompilationCallbackC.
@ -92,9 +92,9 @@ void MipsCompilationCallback();
"lw $a3, 32($sp)\n"
"lw $ra, 36($sp)\n"
"lw $t8, 40($sp)\n"
"ldc1 $f12, 44($sp)\n"
"ldc1 $f14, 52($sp)\n"
"addiu $sp, $sp, 60\n"
"ldc1 $f12, 48($sp)\n"
"ldc1 $f14, 56($sp)\n"
"addiu $sp, $sp, 64\n"
// Jump to the (newly modified) stub to invoke the real function.
"addiu $t8, $t8, -16\n"