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| author | H.J. Lu <hongjiu.lu@intel.com> | 2019-05-15 15:05:07 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2019-05-15 08:05:07 -0700 |
| commit | 6e9fffcf83638a50cac6e2a127817c409238cfde (patch) | |
| tree | 1175217033e97657fd12bbfa1a2bea9f9704fcce /gcc/tree-ssa.c | |
| parent | b74ebb2a36adbb18da52f7eb25b54655b04c7be4 (diff) | |
| download | gcc-6e9fffcf83638a50cac6e2a127817c409238cfde.zip gcc-6e9fffcf83638a50cac6e2a127817c409238cfde.tar.gz gcc-6e9fffcf83638a50cac6e2a127817c409238cfde.tar.bz2 | |
i386: Emulate MMX punpcklXX/punpckhXX with SSE punpcklXX
Emulate MMX punpcklXX/punpckhXX with SSE punpcklXX. For MMX punpckhXX,
move bits 64:127 to bits 0:63 in SSE register. Only SSE register source
operand is allowed.
PR target/89021
* config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
* config/i386/i386-protos.h (ix86_split_mmx_punpck): New
prototype.
* config/i386/mmx.m (mmx_punpckhbw): Changed to
define_insn_and_split to support SSE emulation.
(mmx_punpcklbw): Likewise.
(mmx_punpckhwd): Likewise.
(mmx_punpcklwd): Likewise.
(mmx_punpckhdq): Likewise.
(mmx_punpckldq): Likewise.
From-SVN: r271216
Diffstat (limited to 'gcc/tree-ssa.c')
0 files changed, 0 insertions, 0 deletions