[llvm] r210763 - [mips][mips64r6] madd.[ds], msub.[ds], nmadd.[ds], and nmsub.[ds] are not available on MIPS32r6/MIPS64r6
Daniel Sanders
daniel.sanders at imgtec.com
Thu Jun 12 04:04:19 PDT 2014
Author: dsanders
Date: Thu Jun 12 06:04:18 2014
New Revision: 210763
URL: http://llvm.org/viewvc/llvm-project?rev=210763&view=rev
Log:
[mips][mips64r6] madd.[ds], msub.[ds], nmadd.[ds], and nmsub.[ds] are not available on MIPS32r6/MIPS64r6
Summary:
This patch updates both the assembler and the code generator.
MIPS32r6/MIPS64r6 replaces them with maddf.[ds] and msubf.[ds] which are fused
multiply-add/sub operations. We don't emit these yet, this patch only prevents the removed instructions from being emitted.
Depends on D3955
Reviewers: jkolek, zoran.jovanovic, vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3956
Added:
llvm/trunk/test/MC/Mips/mips32r6/invalid-mips32r2.s
Modified:
llvm/trunk/lib/Target/Mips/Mips32r6InstrInfo.td
llvm/trunk/lib/Target/Mips/MipsInstrFPU.td
llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
llvm/trunk/test/CodeGen/Mips/fmadd1.ll
Modified: llvm/trunk/lib/Target/Mips/Mips32r6InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Mips32r6InstrInfo.td?rev=210763&r1=210762&r2=210763&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Mips32r6InstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/Mips32r6InstrInfo.td Thu Jun 12 06:04:18 2014
@@ -35,7 +35,6 @@ include "Mips32r6InstrFormats.td"
// Removed: ldxc1
// Removed: luxc1
// Removed: lwxc1
-// Removed: madd.[ds], nmadd.[ds], nmsub.[ds], sub.[ds]
// Removed: movf, movt
// Removed: movf.fmt, movt.fmt, movn.fmt, movz.fmt
// Removed: movn, movz
Modified: llvm/trunk/lib/Target/Mips/MipsInstrFPU.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrFPU.td?rev=210763&r1=210762&r2=210763&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrFPU.td (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrFPU.td Thu Jun 12 06:04:18 2014
@@ -457,42 +457,42 @@ def FSUB_S : MMRel, ADDS_FT<"sub.s", FGR
defm FSUB : ADDS_M<"sub.d", II_SUB_D, 0, fsub>, ADDS_FM<0x01, 17>;
def MADD_S : MMRel, MADDS_FT<"madd.s", FGR32Opnd, II_MADD_S, fadd>,
- MADDS_FM<4, 0>, ISA_MIPS32R2;
+ MADDS_FM<4, 0>, ISA_MIPS32R2_NOT_32R6_64R6;
def MSUB_S : MMRel, MADDS_FT<"msub.s", FGR32Opnd, II_MSUB_S, fsub>,
- MADDS_FM<5, 0>, ISA_MIPS32R2;
+ MADDS_FM<5, 0>, ISA_MIPS32R2_NOT_32R6_64R6;
let AdditionalPredicates = [NoNaNsFPMath] in {
def NMADD_S : MMRel, NMADDS_FT<"nmadd.s", FGR32Opnd, II_NMADD_S, fadd>,
- MADDS_FM<6, 0>, ISA_MIPS32R2;
+ MADDS_FM<6, 0>, ISA_MIPS32R2_NOT_32R6_64R6;
def NMSUB_S : MMRel, NMADDS_FT<"nmsub.s", FGR32Opnd, II_NMSUB_S, fsub>,
- MADDS_FM<7, 0>, ISA_MIPS32R2;
+ MADDS_FM<7, 0>, ISA_MIPS32R2_NOT_32R6_64R6;
}
def MADD_D32 : MMRel, MADDS_FT<"madd.d", AFGR64Opnd, II_MADD_D, fadd>,
- MADDS_FM<4, 1>, ISA_MIPS32R2, FGR_32;
+ MADDS_FM<4, 1>, ISA_MIPS32R2_NOT_32R6_64R6, FGR_32;
def MSUB_D32 : MMRel, MADDS_FT<"msub.d", AFGR64Opnd, II_MSUB_D, fsub>,
- MADDS_FM<5, 1>, ISA_MIPS32R2, FGR_32;
+ MADDS_FM<5, 1>, ISA_MIPS32R2_NOT_32R6_64R6, FGR_32;
let AdditionalPredicates = [NoNaNsFPMath] in {
def NMADD_D32 : MMRel, NMADDS_FT<"nmadd.d", AFGR64Opnd, II_NMADD_D, fadd>,
- MADDS_FM<6, 1>, ISA_MIPS32R2, FGR_32;
+ MADDS_FM<6, 1>, ISA_MIPS32R2_NOT_32R6_64R6, FGR_32;
def NMSUB_D32 : MMRel, NMADDS_FT<"nmsub.d", AFGR64Opnd, II_NMSUB_D, fsub>,
- MADDS_FM<7, 1>, ISA_MIPS32R2, FGR_32;
+ MADDS_FM<7, 1>, ISA_MIPS32R2_NOT_32R6_64R6, FGR_32;
}
let isCodeGenOnly=1 in {
def MADD_D64 : MADDS_FT<"madd.d", FGR64Opnd, II_MADD_D, fadd>,
- MADDS_FM<4, 1>, ISA_MIPS32R2, FGR_64;
+ MADDS_FM<4, 1>, ISA_MIPS32R2_NOT_32R6_64R6, FGR_64;
def MSUB_D64 : MADDS_FT<"msub.d", FGR64Opnd, II_MSUB_D, fsub>,
- MADDS_FM<5, 1>, ISA_MIPS32R2, FGR_64;
+ MADDS_FM<5, 1>, ISA_MIPS32R2_NOT_32R6_64R6, FGR_64;
}
let AdditionalPredicates = [NoNaNsFPMath],
isCodeGenOnly=1 in {
def NMADD_D64 : NMADDS_FT<"nmadd.d", FGR64Opnd, II_NMADD_D, fadd>,
- MADDS_FM<6, 1>, ISA_MIPS32R2, FGR_64;
+ MADDS_FM<6, 1>, ISA_MIPS32R2_NOT_32R6_64R6, FGR_64;
def NMSUB_D64 : NMADDS_FT<"nmsub.d", FGR64Opnd, II_NMSUB_D, fsub>,
- MADDS_FM<7, 1>, ISA_MIPS32R2, FGR_64;
+ MADDS_FM<7, 1>, ISA_MIPS32R2_NOT_32R6_64R6, FGR_64;
}
//===----------------------------------------------------------------------===//
Modified: llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrInfo.td?rev=210763&r1=210762&r2=210763&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.td Thu Jun 12 06:04:18 2014
@@ -236,6 +236,9 @@ class ISA_MIPS32_NOT_32R6_64R6 {
list<Predicate> InsnPredicates = [HasMips32, NotMips32r6, NotMips64r6];
}
class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
+class ISA_MIPS32R2_NOT_32R6_64R6 {
+ list<Predicate> InsnPredicates = [HasMips32r2, NotMips32r6, NotMips64r6];
+}
class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
class ISA_MIPS32R6 { list<Predicate> InsnPredicates = [HasMips32r6]; }
Modified: llvm/trunk/test/CodeGen/Mips/fmadd1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Mips/fmadd1.ll?rev=210763&r1=210762&r2=210763&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Mips/fmadd1.ll (original)
+++ llvm/trunk/test/CodeGen/Mips/fmadd1.ll Thu Jun 12 06:04:18 2014
@@ -5,15 +5,54 @@
; IEEE 754 (1985) and IEEE 754 (2008). These instructions are therefore only
; available when -enable-no-nans-fp-math is given.
-; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -enable-no-nans-fp-math | FileCheck %s -check-prefix=32R2 -check-prefix=CHECK
-; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -mattr=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefix=64R2 -check-prefix=CHECK
-; RUN: llc < %s -march=mipsel -mcpu=mips32r2 | FileCheck %s -check-prefix=32R2NAN -check-prefix=CHECK
-; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -mattr=n64 | FileCheck %s -check-prefix=64R2NAN -check-prefix=CHECK
+; RUN: llc < %s -march=mipsel -mcpu=mips32 -enable-no-nans-fp-math | FileCheck %s -check-prefix=ALL -check-prefix=32 -check-prefix=32-NONAN
+; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -enable-no-nans-fp-math | FileCheck %s -check-prefix=ALL -check-prefix=32R2 -check-prefix=32R2-NONAN
+; RUN: llc < %s -march=mipsel -mcpu=mips32r6 -enable-no-nans-fp-math | FileCheck %s -check-prefix=ALL -check-prefix=32R6 -check-prefix=32R6-NONAN
+; RUN: llc < %s -march=mips64el -mcpu=mips64 -mattr=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefix=ALL -check-prefix=64 -check-prefix=64-NONAN
+; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -mattr=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefix=ALL -check-prefix=64R2 -check-prefix=64R2-NONAN
+; RUN: llc < %s -march=mips64el -mcpu=mips64r6 -mattr=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefix=ALL -check-prefix=64R6 -check-prefix=64R6-NONAN
+; RUN: llc < %s -march=mipsel -mcpu=mips32 | FileCheck %s -check-prefix=ALL -check-prefix=32 -check-prefix=32-NAN
+; RUN: llc < %s -march=mipsel -mcpu=mips32r2 | FileCheck %s -check-prefix=ALL -check-prefix=32R2 -check-prefix=32R2-NAN
+; RUN: llc < %s -march=mipsel -mcpu=mips32r6 | FileCheck %s -check-prefix=ALL -check-prefix=32R6 -check-prefix=32R6-NAN
+; RUN: llc < %s -march=mips64el -mcpu=mips64 -mattr=n64 | FileCheck %s -check-prefix=ALL -check-prefix=64 -check-prefix=64-NAN
+; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -mattr=n64 | FileCheck %s -check-prefix=ALL -check-prefix=64R2 -check-prefix=64R2-NAN
+; RUN: llc < %s -march=mips64el -mcpu=mips64r6 -mattr=n64 | FileCheck %s -check-prefix=ALL -check-prefix=64R6 -check-prefix=64R6-NAN
define float @FOO0float(float %a, float %b, float %c) nounwind readnone {
entry:
-; CHECK-LABEL: FOO0float:
-; CHECK: madd.s
+; ALL-LABEL: FOO0float:
+
+; 32-DAG: mtc1 $6, $[[T0:f[0-9]+]]
+; 32-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14
+; 32-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32-DAG: add.s $f0, $[[T1]], $[[T2]]
+
+; 32R2: mtc1 $6, $[[T0:f[0-9]+]]
+; 32R2: madd.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14
+; 32R2: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R2: add.s $f0, $[[T1]], $[[T2]]
+
+; 32R6-DAG: mtc1 $6, $[[T0:f[0-9]+]]
+; 32R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14
+; 32R6-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R6-DAG: add.s $f0, $[[T1]], $[[T2]]
+
+; 64-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13
+; 64-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 64-DAG: add.s $f0, $[[T1]], $[[T2]]
+
+; 64R2: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13
+; 64R2: mtc1 $zero, $[[T1:f[0-9]+]]
+; 64R2: add.s $f0, $[[T0]], $[[T1]]
+
+; 64R6-DAG: mul.s $[[T0:f[0-9]+]], $f12, $f13
+; 64R6-DAG: add.s $[[T1:f[0-9]+]], $[[T0]], $f14
+; 64R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 64R6-DAG: add.s $f0, $[[T1]], $[[T2]]
+
%mul = fmul float %a, %b
%add = fadd float %mul, %c
%add1 = fadd float %add, 0.000000e+00
@@ -22,8 +61,39 @@ entry:
define float @FOO1float(float %a, float %b, float %c) nounwind readnone {
entry:
-; CHECK-LABEL: FOO1float:
-; CHECK: msub.s
+; ALL-LABEL: FOO1float:
+
+; 32-DAG: mtc1 $6, $[[T0:f[0-9]+]]
+; 32-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14
+; 32-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32-DAG: add.s $f0, $[[T1]], $[[T2]]
+
+; 32R2: mtc1 $6, $[[T0:f[0-9]+]]
+; 32R2: msub.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14
+; 32R2: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R2: add.s $f0, $[[T1]], $[[T2]]
+
+; 32R6-DAG: mtc1 $6, $[[T0:f[0-9]+]]
+; 32R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14
+; 32R6-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R6-DAG: add.s $f0, $[[T1]], $[[T2]]
+
+; 64-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13
+; 64-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 64-DAG: add.s $f0, $[[T1]], $[[T2]]
+
+; 64R2: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13
+; 64R2: mtc1 $zero, $[[T1:f[0-9]+]]
+; 64R2: add.s $f0, $[[T0]], $[[T1]]
+
+; 64R6-DAG: mul.s $[[T0:f[0-9]+]], $f12, $f13
+; 64R6-DAG: sub.s $[[T1:f[0-9]+]], $[[T0]], $f14
+; 64R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 64R6-DAG: add.s $f0, $[[T1]], $[[T2]]
+
%mul = fmul float %a, %b
%sub = fsub float %mul, %c
%add = fadd float %sub, 0.000000e+00
@@ -32,11 +102,44 @@ entry:
define float @FOO2float(float %a, float %b, float %c) nounwind readnone {
entry:
-; CHECK-LABEL: FOO2float:
-; 32R2: nmadd.s
-; 64R2: nmadd.s
-; 32R2NAN: madd.s
-; 64R2NAN: madd.s
+; ALL-LABEL: FOO2float:
+
+; 32-DAG: mtc1 $6, $[[T0:f[0-9]+]]
+; 32-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14
+; 32-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32-DAG: sub.s $f0, $[[T2]], $[[T1]]
+
+; 32R2-NONAN: mtc1 $6, $[[T0:f[0-9]+]]
+; 32R2-NONAN: nmadd.s $f0, $[[T0]], $f12, $f14
+
+; 32R2-NAN: mtc1 $6, $[[T0:f[0-9]+]]
+; 32R2-NAN: madd.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14
+; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R2-NAN: sub.s $f0, $[[T2]], $[[T1]]
+
+; 32R6-DAG: mtc1 $6, $[[T0:f[0-9]+]]
+; 32R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14
+; 32R6-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R6-DAG: sub.s $f0, $[[T2]], $[[T1]]
+
+; 64-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13
+; 64-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 64-DAG: sub.s $f0, $[[T2]], $[[T1]]
+
+; 64R2-NONAN: nmadd.s $f0, $f14, $f12, $f13
+
+; 64R2-NAN: madd.s $[[T0:f[0-9]+]], $f14, $f12, $f13
+; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]]
+; 64R2-NAN: sub.s $f0, $[[T1]], $[[T0]]
+
+; 64R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13
+; 64R6-DAG: add.s $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 64R6-DAG: sub.s $f0, $[[T2]], $[[T1]]
+
%mul = fmul float %a, %b
%add = fadd float %mul, %c
%sub = fsub float 0.000000e+00, %add
@@ -45,11 +148,36 @@ entry:
define float @FOO3float(float %a, float %b, float %c) nounwind readnone {
entry:
-; CHECK-LABEL: FOO3float:
-; 32R2: nmsub.s
-; 64R2: nmsub.s
-; 32R2NAN: msub.s
-; 64R2NAN: msub.s
+; ALL-LABEL: FOO3float:
+
+; 32-DAG: mtc1 $6, $[[T0:f[0-9]+]]
+; 32-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f14
+; 32-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32-DAG: sub.s $f0, $[[T2]], $[[T1]]
+
+; 32R2-NONAN: mtc1 $6, $[[T0:f[0-9]+]]
+; 32R2-NONAN: nmsub.s $f0, $[[T0]], $f12, $f14
+
+; 32R2-NAN: mtc1 $6, $[[T0:f[0-9]+]]
+; 32R2-NAN: msub.s $[[T1:f[0-9]+]], $[[T0]], $f12, $f14
+; 32R2-NAN: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R2-NAN: sub.s $f0, $[[T2]], $[[T1]]
+
+; 64-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13
+; 64-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 64-DAG: sub.s $f0, $[[T2]], $[[T1]]
+
+; 64R2-NAN: msub.s $[[T0:f[0-9]+]], $f14, $f12, $f13
+; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]]
+; 64R2-NAN: sub.s $f0, $[[T1]], $[[T0]]
+
+; 64R6-DAG: mul.s $[[T1:f[0-9]+]], $f12, $f13
+; 64R6-DAG: sub.s $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 64R6-DAG: sub.s $f0, $[[T2]], $[[T1]]
+
%mul = fmul float %a, %b
%sub = fsub float %mul, %c
%sub1 = fsub float 0.000000e+00, %sub
@@ -58,8 +186,40 @@ entry:
define double @FOO10double(double %a, double %b, double %c) nounwind readnone {
entry:
-; CHECK-LABEL: FOO10double:
-; CHECK: madd.d
+; ALL-LABEL: FOO10double:
+
+; 32-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14
+; 32-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32-DAG: add.d $f0, $[[T1]], $[[T2]]
+
+; 32R2: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R2: madd.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14
+; 32R2: mtc1 $zero, $[[T2:f[02468]+]]
+; 32R2: mtc1 $zero, ${{f[13579]+}}
+; 32R2: add.d $f0, $[[T1]], $[[T2]]
+
+; 32R6-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14
+; 32R6-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R6-DAG: add.d $f0, $[[T1]], $[[T2]]
+
+; 64-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13
+; 64-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64-DAG: dmtc1 $zero, $[[T2:f[0-9]+]]
+; 64-DAG: add.d $f0, $[[T1]], $[[T2]]
+
+; 64R2: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13
+; 64R2: mtc1 $zero, $[[T1:f[0-9]+]]
+; 64R2: add.d $f0, $[[T0]], $[[T1]]
+
+; 64R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13
+; 64R6-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64R6-DAG: dmtc1 $zero, $[[T2:f[0-9]+]]
+; 64R6-DAG: add.d $f0, $[[T1]], $[[T2]]
+
%mul = fmul double %a, %b
%add = fadd double %mul, %c
%add1 = fadd double %add, 0.000000e+00
@@ -68,8 +228,40 @@ entry:
define double @FOO11double(double %a, double %b, double %c) nounwind readnone {
entry:
-; CHECK-LABEL: FOO11double:
-; CHECK: msub.d
+; ALL-LABEL: FOO11double:
+
+; 32-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14
+; 32-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32-DAG: add.d $f0, $[[T1]], $[[T2]]
+
+; 32R2: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R2: msub.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14
+; 32R2: mtc1 $zero, $[[T2:f[02468]+]]
+; 32R2: mtc1 $zero, ${{f[13579]+}}
+; 32R2: add.d $f0, $[[T1]], $[[T2]]
+
+; 32R6-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14
+; 32R6-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R6-DAG: add.d $f0, $[[T1]], $[[T2]]
+
+; 64-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13
+; 64-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64-DAG: dmtc1 $zero, $[[T2:f[0-9]+]]
+; 64-DAG: add.d $f0, $[[T1]], $[[T2]]
+
+; 64R2: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13
+; 64R2: mtc1 $zero, $[[T1:f[0-9]+]]
+; 64R2: add.d $f0, $[[T0]], $[[T1]]
+
+; 64R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13
+; 64R6-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64R6-DAG: dmtc1 $zero, $[[T2:f[0-9]+]]
+; 64R6-DAG: add.d $f0, $[[T1]], $[[T2]]
+
%mul = fmul double %a, %b
%sub = fsub double %mul, %c
%add = fadd double %sub, 0.000000e+00
@@ -78,11 +270,45 @@ entry:
define double @FOO12double(double %a, double %b, double %c) nounwind readnone {
entry:
-; CHECK-LABEL: FOO12double:
-; 32R2: nmadd.d
-; 64R2: nmadd.d
-; 32R2NAN: madd.d
-; 64R2NAN: madd.d
+; ALL-LABEL: FOO12double:
+
+; 32-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14
+; 32-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32-DAG: sub.d $f0, $[[T2]], $[[T1]]
+
+; 32R2-NONAN: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R2-NONAN: nmadd.d $f0, $[[T0]], $f12, $f14
+
+; 32R2-NAN: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R2-NAN: madd.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14
+; 32R2-NAN: mtc1 $zero, $[[T2:f[02468]+]]
+; 32R2-NAN: mtc1 $zero, ${{f[13579]+}}
+; 32R2-NAN: sub.d $f0, $[[T2]], $[[T1]]
+
+; 32R6-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14
+; 32R6-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R6-DAG: sub.d $f0, $[[T2]], $[[T1]]
+
+; 64-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13
+; 64-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64-DAG: dmtc1 $zero, $[[T2:f[0-9]+]]
+; 64-DAG: sub.d $f0, $[[T2]], $[[T1]]
+
+; 64R2-NONAN: nmadd.d $f0, $f14, $f12, $f13
+
+; 64R2-NAN: madd.d $[[T0:f[0-9]+]], $f14, $f12, $f13
+; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]]
+; 64R2-NAN: sub.d $f0, $[[T1]], $[[T0]]
+
+; 64R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13
+; 64R6-DAG: add.d $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64R6-DAG: dmtc1 $zero, $[[T2:f[0-9]+]]
+; 64R6-DAG: sub.d $f0, $[[T2]], $[[T1]]
+
%mul = fmul double %a, %b
%add = fadd double %mul, %c
%sub = fsub double 0.000000e+00, %add
@@ -91,11 +317,45 @@ entry:
define double @FOO13double(double %a, double %b, double %c) nounwind readnone {
entry:
-; CHECK-LABEL: FOO13double:
-; 32R2: nmsub.d
-; 64R2: nmsub.d
-; 32R2NAN: msub.d
-; 64R2NAN: msub.d
+; ALL-LABEL: FOO13double:
+
+; 32-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14
+; 32-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32-DAG: sub.d $f0, $[[T2]], $[[T1]]
+
+; 32R2-NONAN: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R2-NONAN: nmsub.d $f0, $[[T0]], $f12, $f14
+
+; 32R2-NAN: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R2-NAN: msub.d $[[T1:f[0-9]+]], $[[T0]], $f12, $f14
+; 32R2-NAN: mtc1 $zero, $[[T2:f[02468]+]]
+; 32R2-NAN: mtc1 $zero, ${{f[13579]+}}
+; 32R2-NAN: sub.d $f0, $[[T2]], $[[T1]]
+
+; 32R6-DAG: ldc1 $[[T0:f[0-9]+]], 16($sp)
+; 32R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f14
+; 32R6-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $[[T0]]
+; 32R6-DAG: mtc1 $zero, $[[T2:f[0-9]+]]
+; 32R6-DAG: sub.d $f0, $[[T2]], $[[T1]]
+
+; 64-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13
+; 64-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64-DAG: dmtc1 $zero, $[[T2:f[0-9]+]]
+; 64-DAG: sub.d $f0, $[[T2]], $[[T1]]
+
+; 64R2-NONAN: nmsub.d $f0, $f14, $f12, $f13
+
+; 64R2-NAN: msub.d $[[T0:f[0-9]+]], $f14, $f12, $f13
+; 64R2-NAN: mtc1 $zero, $[[T1:f[0-9]+]]
+; 64R2-NAN: sub.d $f0, $[[T1]], $[[T0]]
+
+; 64R6-DAG: mul.d $[[T1:f[0-9]+]], $f12, $f13
+; 64R6-DAG: sub.d $[[T2:f[0-9]+]], $[[T1]], $f14
+; 64R6-DAG: dmtc1 $zero, $[[T2:f[0-9]+]]
+; 64R6-DAG: sub.d $f0, $[[T2]], $[[T1]]
+
%mul = fmul double %a, %b
%sub = fsub double %mul, %c
%sub1 = fsub double 0.000000e+00, %sub
Added: llvm/trunk/test/MC/Mips/mips32r6/invalid-mips32r2.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Mips/mips32r6/invalid-mips32r2.s?rev=210763&view=auto
==============================================================================
--- llvm/trunk/test/MC/Mips/mips32r6/invalid-mips32r2.s (added)
+++ llvm/trunk/test/MC/Mips/mips32r6/invalid-mips32r2.s Thu Jun 12 06:04:18 2014
@@ -0,0 +1,15 @@
+# Instructions that are invalid
+#
+# RUN: not llvm-mc %s -triple=mips-unknown-linux -show-encoding -mcpu=mips32r6 \
+# RUN: 2>%t1
+# RUN: FileCheck %s < %t1
+
+ .set noat
+ madd.d $f18,$f19,$f26,$f20 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+ madd.s $f1,$f31,$f19,$f25 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+ msub.d $f10,$f1,$f31,$f18 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+ msub.s $f12,$f19,$f10,$f16 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+ nmadd.d $f18,$f9,$f14,$f19 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+ nmadd.s $f0,$f5,$f25,$f12 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+ nmsub.d $f30,$f8,$f16,$f30 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+ nmsub.s $f1,$f24,$f19,$f4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
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