From: Richard Henderson Date: Mon, 1 Feb 2021 09:26:14 +0000 (-1000) Subject: tcg/tci: Reserve r13 for a temporary X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=baa94c0d333b5eccd68450625e0c3960e85d1913;p=qemu.git tcg/tci: Reserve r13 for a temporary We're about to adjust the offset range on host memory ops, and the format of branches. Both will require a temporary. Tested-by: Philippe Mathieu-Daudé Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc index fa3de99445..5269a788a3 100644 --- a/tcg/tci/tcg-target.c.inc +++ b/tcg/tci/tcg-target.c.inc @@ -820,6 +820,7 @@ static void tcg_target_init(TCGContext *s) MAKE_64BIT_MASK(TCG_REG_R0, 64 / TCG_TARGET_REG_BITS); s->reserved_regs = 0; + tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP); tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK); /* The call arguments come first, followed by the temp storage. */ diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h index f2e5cba539..80cafb7d18 100644 --- a/tcg/tci/tcg-target.h +++ b/tcg/tci/tcg-target.h @@ -156,6 +156,7 @@ typedef enum { TCG_REG_R14, TCG_REG_R15, + TCG_REG_TMP = TCG_REG_R13, TCG_AREG0 = TCG_REG_R14, TCG_REG_CALL_STACK = TCG_REG_R15, } TCGReg;