From 56bf4fe2978e3e14c976feae825dbbd3700573d0 Mon Sep 17 00:00:00 2001 From: Christophe Lyon Date: Mon, 21 Feb 2011 17:38:46 +0100 Subject: [PATCH] target-arm: Introduce float64_256 and float64_512 constants. These two constants will be used by helper functions such as recpe_f32 and rsqrte_f32. Signed-off-by: Christophe Lyon Reviewed-by: Peter Maydell Signed-off-by: Aurelien Jarno --- target-arm/helper.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target-arm/helper.c b/target-arm/helper.c index 7f63a280fc..30c18090d2 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -2687,6 +2687,11 @@ float32 HELPER(rsqrts_f32)(float32 a, float32 b, CPUState *env) /* NEON helpers. */ +/* Constants 256 and 512 are used in some helpers; we avoid relying on + * int->float conversions at run-time. */ +#define float64_256 make_float64(0x4070000000000000LL) +#define float64_512 make_float64(0x4080000000000000LL) + /* TODO: The architecture specifies the value that the estimate functions should return. We return the exact reciprocal/root instead. */ float32 HELPER(recpe_f32)(float32 a, CPUState *env)