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i386: Robustify V2QI and V4QI move patterns

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Add sse2 isa attribute where needed and remove where not needed.

2022-01-07  Uroš Bizjak  <ubizjak@gmail.com>

gcc/ChangeLog:

	* config/i386/mmx.md (*move<V_32:mode>_internal): Add isa attribute.
	(*movv2qi_internal): Remve sse2 requirement for alternatives 4,5.
This commit is contained in:
Uros Bizjak 2022-01-07 20:40:35 +01:00
parent a64478660e
commit 42ae7ebfb2
1 changed files with 12 additions and 4 deletions
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16
gcc/config/i386/mmx.md
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@ -285,7 +285,12 @@
gcc_unreachable ();
}
}
[(set (attr "type")
[(set (attr "isa")
(cond [(eq_attr "alternative" "6,7")
(const_string "sse2")
]
(const_string "*")))
(set (attr "type")
(cond [(eq_attr "alternative" "2")
(const_string "sselog1")
(eq_attr "alternative" "3,4,5,6,7")
@ -306,12 +311,15 @@
(const_string "V4SF")
(match_test "TARGET_AVX")
(const_string "TI")
(match_test "optimize_function_for_size_p (cfun)")
(ior (not (match_test "TARGET_SSE2"))
(match_test "optimize_function_for_size_p (cfun)"))
(const_string "V4SF")
]
(const_string "TI"))
(and (eq_attr "alternative" "4,5")
(match_test "<MODE>mode == V2HFmode"))
(ior (match_test "<MODE>mode == V2HFmode")
(not (match_test "TARGET_SSE2"))))
(const_string "SF")
]
(const_string "SI")))
@ -401,7 +409,7 @@
}
}
[(set (attr "isa")
(cond [(eq_attr "alternative" "4,5,6,8,9")
(cond [(eq_attr "alternative" "6,8,9")
(const_string "sse2")
(eq_attr "alternative" "7")
(const_string "sse4")