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tcg-ppc64: Fix TCG_TARGET_CALL_STACK_OFFSET

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The calling convention reserves space for the 8 register parameters on
the stack, so using only 6*8=48 as the offset was wrong.  We never saw
this bug because we don't have any helpers with more than 5 parameters.

Tested-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-03-25 08:32:04 -07:00
parent a921fddcc1
commit 5456788db7
1 changed files with 1 additions and 1 deletions
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2
tcg/ppc64/tcg-target.c
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@ -1408,7 +1408,7 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg,
/* Parameters for function call generation, used in tcg.c. */
#define TCG_TARGET_STACK_ALIGN 16
#define TCG_TARGET_CALL_STACK_OFFSET 48
#define TCG_TARGET_CALL_STACK_OFFSET ((6 + 8) * SZR)
#define TCG_TARGET_EXTEND_ARGS 1
#define FRAME_SIZE ((int) \