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Merging r216262:
------------------------------------------------------------------------ r216262 | sstankovic | 2014-08-22 10:23:22 +0100 (Fri, 22 Aug 2014) | 5 lines [mips] Don't use odd-numbered float registers for double arguments for fastcc calling convention if FP is 64-bit and +nooddspreg is used. Differential Revision: http://reviews.llvm.org/D4981.diff ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_35@222695 91177308-0d34-0410-b5e6-96231b3b80d8
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Daniel Sanders
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b164bc7bab
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@ -154,13 +154,17 @@ def CC_MipsO32_FastCC : CallingConv<[
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CCIfType<[f64], CCIfSubtarget<"isNotFP64bit()",
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CCAssignToReg<[D0, D1, D2, D3, D4, D5, D6, D7,
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D8, D9]>>>,
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CCIfType<[f64], CCIfSubtarget<"isFP64bit()",
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CCIfType<[f64], CCIfSubtarget<"isFP64bit()", CCIfSubtarget<"useOddSPReg()",
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CCAssignToReg<[D0_64, D1_64, D2_64, D3_64,
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D4_64, D5_64, D6_64, D7_64,
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D8_64, D9_64, D10_64, D11_64,
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D12_64, D13_64, D14_64, D15_64,
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D16_64, D17_64, D18_64,
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D19_64]>>>,
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D19_64]>>>>,
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CCIfType<[f64], CCIfSubtarget<"isFP64bit()", CCIfSubtarget<"noOddSPReg()",
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CCAssignToReg<[D0_64, D2_64, D4_64, D6_64,
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D8_64, D10_64, D12_64, D14_64,
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D16_64, D18_64]>>>>,
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// Stack parameter slots for f64 are 64-bit doublewords and 8-byte aligned.
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CCIfType<[f64], CCAssignToStack<8, 8>>
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@ -2,6 +2,7 @@
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; RUN: llc < %s -mtriple=mipsel-none-nacl-gnu \
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; RUN: | FileCheck %s -check-prefix=CHECK-NACL
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; RUN: llc < %s -march=mipsel -mcpu=mips32 -mattr=+nooddspreg | FileCheck %s -check-prefix=NOODDSPREG
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; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -mattr=+fp64,+nooddspreg | FileCheck %s -check-prefix=FP64-NOODDSPREG
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@gi0 = external global i32
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@ -82,6 +83,7 @@
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@g16 = external global i32
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@fa = common global [11 x float] zeroinitializer, align 4
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@da = common global [11 x double] zeroinitializer, align 8
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define void @caller0() nounwind {
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entry:
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@ -348,3 +350,83 @@ entry:
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ret void
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}
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define void @caller3() {
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entry:
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; FP64-NOODDSPREG-LABEL: caller3
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; Check that first 10 arguments are passed in even float registers
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; f0, f2, ... , f18. Check that 11th argument is passed on stack.
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; FP64-NOODDSPREG-DAG: lw $[[R0:[0-9]+]], %got(da)(${{[0-9]+|gp}})
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; FP64-NOODDSPREG-DAG: ldc1 $f0, 0($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $f2, 8($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $f4, 16($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $f6, 24($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $f8, 32($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $f10, 40($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $f12, 48($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $f14, 56($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $f16, 64($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $f18, 72($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $[[F0:f[0-9]*[02468]]], 80($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $[[F0]], 0($sp)
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%0 = load double* getelementptr ([11 x double]* @da, i32 0, i32 0), align 8
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%1 = load double* getelementptr ([11 x double]* @da, i32 0, i32 1), align 8
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%2 = load double* getelementptr ([11 x double]* @da, i32 0, i32 2), align 8
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%3 = load double* getelementptr ([11 x double]* @da, i32 0, i32 3), align 8
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%4 = load double* getelementptr ([11 x double]* @da, i32 0, i32 4), align 8
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%5 = load double* getelementptr ([11 x double]* @da, i32 0, i32 5), align 8
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%6 = load double* getelementptr ([11 x double]* @da, i32 0, i32 6), align 8
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%7 = load double* getelementptr ([11 x double]* @da, i32 0, i32 7), align 8
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%8 = load double* getelementptr ([11 x double]* @da, i32 0, i32 8), align 8
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%9 = load double* getelementptr ([11 x double]* @da, i32 0, i32 9), align 8
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%10 = load double* getelementptr ([11 x double]* @da, i32 0, i32 10), align 8
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tail call fastcc void @callee3(double %0, double %1, double %2, double %3,
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double %4, double %5, double %6, double %7,
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double %8, double %9, double %10)
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ret void
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}
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define fastcc void @callee3(double %a0, double %a1, double %a2, double %a3,
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double %a4, double %a5, double %a6, double %a7,
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double %a8, double %a9, double %a10) {
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entry:
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; FP64-NOODDSPREG-LABEL: callee3
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; FP64-NOODDSPREG: addiu $sp, $sp, -[[OFFSET:[0-9]+]]
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; Check that first 10 arguments are received in even float registers
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; f0, f2, ... , f18. Check that 11th argument is received on stack.
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; FP64-NOODDSPREG-DAG: lw $[[R0:[0-9]+]], %got(da)(${{[0-9]+|gp}})
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; FP64-NOODDSPREG-DAG: sdc1 $f0, 0($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $f2, 8($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $f4, 16($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $f6, 24($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $f8, 32($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $f10, 40($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $f12, 48($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $f14, 56($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $f16, 64($[[R0]])
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; FP64-NOODDSPREG-DAG: sdc1 $f18, 72($[[R0]])
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; FP64-NOODDSPREG-DAG: ldc1 $[[F0:f[0-9]*[02468]]], [[OFFSET]]($sp)
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; FP64-NOODDSPREG-DAG: sdc1 $[[F0]], 80($[[R0]])
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store double %a0, double* getelementptr ([11 x double]* @da, i32 0, i32 0), align 8
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store double %a1, double* getelementptr ([11 x double]* @da, i32 0, i32 1), align 8
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store double %a2, double* getelementptr ([11 x double]* @da, i32 0, i32 2), align 8
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store double %a3, double* getelementptr ([11 x double]* @da, i32 0, i32 3), align 8
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store double %a4, double* getelementptr ([11 x double]* @da, i32 0, i32 4), align 8
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store double %a5, double* getelementptr ([11 x double]* @da, i32 0, i32 5), align 8
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store double %a6, double* getelementptr ([11 x double]* @da, i32 0, i32 6), align 8
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store double %a7, double* getelementptr ([11 x double]* @da, i32 0, i32 7), align 8
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store double %a8, double* getelementptr ([11 x double]* @da, i32 0, i32 8), align 8
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store double %a9, double* getelementptr ([11 x double]* @da, i32 0, i32 9), align 8
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store double %a10, double* getelementptr ([11 x double]* @da, i32 0, i32 10), align 8
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ret void
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}
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