diff options
| author | Tom Stellard <tstellar@redhat.com> | 2018-11-13 06:06:53 +0000 |
|---|---|---|
| committer | Tom Stellard <tstellar@redhat.com> | 2018-11-13 06:06:53 +0000 |
| commit | 9a20188b021ec832579a1629d27f985bdde69e50 (patch) | |
| tree | 4c30dd462ca1cc5b92d997a37cce88ff27e1be63 | |
| parent | 92a9b7acc3d8c091c2bea0f7f967ae0bfe8fd15c (diff) | |
| download | llvm-9a20188b021ec832579a1629d27f985bdde69e50.zip llvm-9a20188b021ec832579a1629d27f985bdde69e50.tar.gz llvm-9a20188b021ec832579a1629d27f985bdde69e50.tar.bz2 | |
Merging r342946:
------------------------------------------------------------------------
r342946 | smaksimovic | 2018-09-24 23:27:49 -0700 (Mon, 24 Sep 2018) | 6 lines
[mips] Correct MUL pattern for mips64
Guard existing pattern with a predicate, introduce a new one for revision 6.
Differential Revision: https://reviews.llvm.org/D51684
------------------------------------------------------------------------
llvm-svn: 346742
| -rw-r--r-- | llvm/lib/Target/Mips/Mips64InstrInfo.td | 2 | ||||
| -rw-r--r-- | llvm/lib/Target/Mips/Mips64r6InstrInfo.td | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td index fb6b4af..b5317be 100644 --- a/llvm/lib/Target/Mips/Mips64InstrInfo.td +++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td @@ -838,7 +838,7 @@ def : MipsPat<(i64 (sext (i32 (sub GPR32:$src, GPR32:$src2)))), (SUBu GPR32:$src, GPR32:$src2), sub_32)>; def : MipsPat<(i64 (sext (i32 (mul GPR32:$src, GPR32:$src2)))), (INSERT_SUBREG (i64 (IMPLICIT_DEF)), - (MUL GPR32:$src, GPR32:$src2), sub_32)>; + (MUL GPR32:$src, GPR32:$src2), sub_32)>, ISA_MIPS3_NOT_32R6_64R6; def : MipsPat<(i64 (sext (i32 (MipsMFHI ACC64:$src)))), (INSERT_SUBREG (i64 (IMPLICIT_DEF)), (PseudoMFHI ACC64:$src), sub_32)>; diff --git a/llvm/lib/Target/Mips/Mips64r6InstrInfo.td b/llvm/lib/Target/Mips/Mips64r6InstrInfo.td index 9df802c..ac223bc7 100644 --- a/llvm/lib/Target/Mips/Mips64r6InstrInfo.td +++ b/llvm/lib/Target/Mips/Mips64r6InstrInfo.td @@ -301,6 +301,9 @@ def : MipsPat<(select (i32 (seteq i32:$cond, immz)), immz, i64:$f), // Patterns used for matching away redundant sign extensions. // MIPS32 arithmetic instructions sign extend their result implicitly. +def : MipsPat<(i64 (sext (i32 (mul GPR32:$src, GPR32:$src2)))), + (INSERT_SUBREG (i64 (IMPLICIT_DEF)), + (MUL_R6 GPR32:$src, GPR32:$src2), sub_32)>, ISA_MIPS64R6; def : MipsPat<(i64 (sext (i32 (sdiv GPR32:$src, GPR32:$src2)))), (INSERT_SUBREG (i64 (IMPLICIT_DEF)), (DIV GPR32:$src, GPR32:$src2), sub_32)>, ISA_MIPS64R6; |