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| author | Magnus Lång <[email protected]> | 2016-08-22 15:22:41 +0200 |
|---|---|---|
| committer | Magnus Lång <[email protected]> | 2016-08-22 15:22:41 +0200 |
| commit | 3dc5ab6005e0a391dabb225f5dade0c0f8929b55 (patch) | |
| tree | 525f5d43d4e66d10cfdb4274515cebc70ccccb57 /lib/hipe | |
| parent | e2cc919a4072db5f9b8f2c279075c34996f999e0 (diff) | |
| download | otp-3dc5ab6005e0a391dabb225f5dade0c0f8929b55.tar.gz otp-3dc5ab6005e0a391dabb225f5dade0c0f8929b55.tar.bz2 otp-3dc5ab6005e0a391dabb225f5dade0c0f8929b55.zip | |
hipe_ppc: Fix incorrect encoding of shift by 0
Diffstat (limited to 'lib/hipe')
| -rw-r--r-- | lib/hipe/ppc/hipe_ppc_assemble.erl | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/hipe/ppc/hipe_ppc_assemble.erl b/lib/hipe/ppc/hipe_ppc_assemble.erl index ff9da01b11..2cbcee4802 100644 --- a/lib/hipe/ppc/hipe_ppc_assemble.erl +++ b/lib/hipe/ppc/hipe_ppc_assemble.erl @@ -175,7 +175,8 @@ do_slwi_opnds(Dst, Src1, {uimm,N}) when is_integer(N), 0 =< N, N < 32 -> {Dst, Src1, {sh,N}, {mb,0}, {me,31-N}}. do_srwi_opnds(Dst, Src1, {uimm,N}) when is_integer(N), 0 =< N, N < 32 -> - {Dst, Src1, {sh,32-N}, {mb,N}, {me,31}}. + %% SH should be 0 (not 32) when N is 0 + {Dst, Src1, {sh,(32-N) band 31}, {mb,N}, {me,31}}. do_srawi_src2({uimm,N}) when is_integer(N), 0 =< N, N < 32 -> {sh,N}. @@ -184,7 +185,8 @@ do_sldi_opnds(Dst, Src1, {uimm,N}) when is_integer(N), 0 =< N, N < 64 -> {Dst, Src1, {sh6,N}, {me6,63-N}}. do_srdi_opnds(Dst, Src1, {uimm,N}) when is_integer(N), 0 =< N, N < 64 -> - {Dst, Src1, {sh6,64-N}, {mb6,N}}. + %% SH should be 0 (not 64) when N is 0 + {Dst, Src1, {sh6,(64-N) band 63}, {mb6,N}}. do_sradi_src2({uimm,N}) when is_integer(N), 0 =< N, N < 64 -> {sh6,N}. |