From 46880cd8be7c307f147a8785ac8f58e04a35d34e Mon Sep 17 00:00:00 2001 From: Takayuki 'January June' Suwa Date: Mon, 20 Jun 2022 04:13:56 +0900 Subject: xtensa: Fix RTL insn cost estimation about relaxed MOVI instructions These instructions will all be converted to L32R ones with litpool entries by the assembler. gcc/ChangeLog: * config/xtensa/xtensa.cc (xtensa_is_insn_L32R_p): Consider relaxed MOVI instructions as L32R. --- gcc/config/xtensa/xtensa.cc | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) (limited to 'gcc/config/xtensa') diff --git a/gcc/config/xtensa/xtensa.cc b/gcc/config/xtensa/xtensa.cc index 2c534ff..13f2b2b 100644 --- a/gcc/config/xtensa/xtensa.cc +++ b/gcc/config/xtensa/xtensa.cc @@ -4286,17 +4286,23 @@ xtensa_is_insn_L32R_p (const rtx_insn *insn) { rtx x = PATTERN (insn); - if (GET_CODE (x) == SET) + if (GET_CODE (x) != SET) + return false; + + x = XEXP (x, 1); + if (MEM_P (x)) { - x = SET_SRC (x); - if (MEM_P (x)) - { - x = XEXP (x, 0); - return (SYMBOL_REF_P (x) || CONST_INT_P (x)) - && CONSTANT_POOL_ADDRESS_P (x); - } + x = XEXP (x, 0); + return (SYMBOL_REF_P (x) || CONST_INT_P (x)) + && CONSTANT_POOL_ADDRESS_P (x); } + /* relaxed MOVI instructions, that will be converted to L32R by the + assembler. */ + if (CONST_INT_P (x) + && ! xtensa_simm12b (INTVAL (x))) + return true; + return false; } -- cgit v1.1