OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

i386: Emulate MMX mmx_uavgv8qi3 with SSE 

Emulate MMX mmx_uavgv8qi3 with SSE.  Only SSE register source operand is
allowed.

	PR target/89021
	* config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
	and TARGET_MMX_WITH_SSE.
	(*mmx_uavgv8qi3): Add SSE emulation.

From-SVN: r271235
This commit is contained in:
H.J. Lu 2019-05-15 15:19:19 +00:00 committed by H.J. Lu
parent 55cd237908
commit a899fa3501
2 changed files with 22 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
PR target/89021
* config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
and TARGET_MMX_WITH_SSE.
(*mmx_uavgv8qi3): Add SSE emulation.
2019-05-15 H.J. Lu <hongjiu.lu@intel.com>
PR target/89021

25
gcc/config/i386/mmx.md
View File

@ -1704,50 +1704,55 @@
(plus:V8HI
(plus:V8HI
(zero_extend:V8HI
(match_operand:V8QI 1 "nonimmediate_operand"))
(match_operand:V8QI 1 "register_mmxmem_operand"))
(zero_extend:V8HI
(match_operand:V8QI 2 "nonimmediate_operand")))
(match_operand:V8QI 2 "register_mmxmem_operand")))
(const_vector:V8HI [(const_int 1) (const_int 1)
(const_int 1) (const_int 1)
(const_int 1) (const_int 1)
(const_int 1) (const_int 1)]))
(const_int 1))))]
"TARGET_SSE || TARGET_3DNOW"
"(TARGET_MMX || TARGET_MMX_WITH_SSE)
&& (TARGET_SSE || TARGET_3DNOW_A)"
"ix86_fixup_binary_operands_no_copy (PLUS, V8QImode, operands);")
(define_insn "*mmx_uavgv8qi3"
[(set (match_operand:V8QI 0 "register_operand" "=y")
[(set (match_operand:V8QI 0 "register_operand" "=y,x,Yv")
(truncate:V8QI
(lshiftrt:V8HI
(plus:V8HI
(plus:V8HI
(zero_extend:V8HI
(match_operand:V8QI 1 "nonimmediate_operand" "%0"))
(match_operand:V8QI 1 "register_mmxmem_operand" "%0,0,Yv"))
(zero_extend:V8HI
(match_operand:V8QI 2 "nonimmediate_operand" "ym")))
(match_operand:V8QI 2 "register_mmxmem_operand" "ym,x,Yv")))
(const_vector:V8HI [(const_int 1) (const_int 1)
(const_int 1) (const_int 1)
(const_int 1) (const_int 1)
(const_int 1) (const_int 1)]))
(const_int 1))))]
"(TARGET_SSE || TARGET_3DNOW)
"(TARGET_MMX || TARGET_MMX_WITH_SSE)
&& (TARGET_SSE || TARGET_3DNOW_A)
&& ix86_binary_operator_ok (PLUS, V8QImode, operands)"
{
/* These two instructions have the same operation, but their encoding
is different. Prefer the one that is de facto standard. */
if (TARGET_SSE || TARGET_3DNOW_A)
if (TARGET_MMX_WITH_SSE && TARGET_AVX)
return "vpavgb\t{%2, %1, %0|%0, %1, %2}";
else if (TARGET_SSE || TARGET_3DNOW_A)
return "pavgb\t{%2, %0|%0, %2}";
else
return "pavgusb\t{%2, %0|%0, %2}";
}
[(set_attr "type" "mmxshft")
[(set_attr "mmx_isa" "native,x64_noavx,x64_avx")
(set_attr "type" "mmxshft,sseiadd,sseiadd")
(set (attr "prefix_extra")
(if_then_else
(not (ior (match_test "TARGET_SSE")
(match_test "TARGET_3DNOW_A")))
(const_string "1")
(const_string "*")))
(set_attr "mode" "DI")])
(set_attr "mode" "DI,TI,TI")])
(define_expand "mmx_uavgv4hi3"
[(set (match_operand:V4HI 0 "register_operand")