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| author | Richard Henderson <richard.henderson@linaro.org> | 2022-10-20 00:55:36 +1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-02-04 06:19:42 -1000 |
| commit | 5e3d0c199f4edf4ecdf8100464da441c60ce36e3 (patch) | |
| tree | 5158b2b91e0ffd80a66deae1f432ce6210db6b0f /tcg/i386 | |
| parent | 313bdea84d2912fdbb139e746bd9346b3d85ebdc (diff) | |
| download | qemu-5e3d0c199f4edf4ecdf8100464da441c60ce36e3.zip qemu-5e3d0c199f4edf4ecdf8100464da441c60ce36e3.tar.gz qemu-5e3d0c199f4edf4ecdf8100464da441c60ce36e3.tar.bz2 | |
tcg: Introduce tcg_target_call_oarg_reg
Replace the flat array tcg_target_call_oarg_regs[] with
a function call including the TCGCallReturnKind.
Extend the set of registers for ARM to r0-r3 to match the ABI:
https://github.com/ARM-software/abi-aa/blob/main/aapcs32/aapcs32.rst#result-return
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/i386')
| -rw-r--r-- | tcg/i386/tcg-target.c.inc | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc index 7b573bd..2f0a952 100644 --- a/tcg/i386/tcg-target.c.inc +++ b/tcg/i386/tcg-target.c.inc @@ -109,12 +109,16 @@ static const int tcg_target_call_iarg_regs[] = { #endif }; -static const int tcg_target_call_oarg_regs[] = { - TCG_REG_EAX, -#if TCG_TARGET_REG_BITS == 32 - TCG_REG_EDX -#endif -}; +static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKind kind, int slot) +{ + switch (kind) { + case TCG_CALL_RET_NORMAL: + tcg_debug_assert(slot >= 0 && slot <= 1); + return slot ? TCG_REG_EDX : TCG_REG_EAX; + default: + g_assert_not_reached(); + } +} /* Constants we accept. */ #define TCG_CT_CONST_S32 0x100 |