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* amd64-tdep.c (amd64_classify): Add support for decimal float

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types.
        * i386-tdep.c (i386_return_value): Make 128-bit decimal float
        use the struct return convention.
This commit is contained in:
Joel Brobecker
2008-03-04 19:49:39 +00:00
parent 373a608f10
commit 2fc63fd9b2
3 changed files with 22 additions and 9 deletions
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7
gdb/ChangeLog
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@@ -1,3 +1,10 @@
2008-03-04 Thiago Jung Bauermann <bauerman@br.ibm.com>
* amd64-tdep.c (amd64_classify): Add support for decimal float
types.
* i386-tdep.c (i386_return_value): Make 128-bit decimal float
use the struct return convention.
2008-02-29 Joel Brobecker <brobecker@adacore.com>
GDB 6.8 branch created (branch timestamp: 2008-02-26 10:00 UTC)

14
gdb/amd64-tdep.c
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@@ -364,15 +364,19 @@ amd64_classify (struct type *type, enum amd64_reg_class class[2])
&& (len == 1 || len == 2 || len == 4 || len == 8))
class[0] = AMD64_INTEGER;
/* Arguments of types float, double and __m64 are in class SSE. */
else if (code == TYPE_CODE_FLT && (len == 4 || len == 8))
/* Arguments of types float, double, _Decimal32, _Decimal64 and __m64
are in class SSE. */
else if ((code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT)
&& (len == 4 || len == 8))
/* FIXME: __m64 . */
class[0] = AMD64_SSE;
/* Arguments of types __float128 and __m128 are split into two
halves. The least significant ones belong to class SSE, the most
/* Arguments of types __float128, _Decimal128 and __m128 are split into
two halves. The least significant ones belong to class SSE, the most
significant one to class SSEUP. */
/* FIXME: __float128, __m128. */
else if (code == TYPE_CODE_DECFLOAT && len == 16)
/* FIXME: __float128, __m128. */
class[0] = AMD64_SSE, class[1] = AMD64_SSEUP;
/* The 64-bit mantissa of arguments of type long double belongs to
class X87, the 16-bit exponent plus 6 bytes of padding belongs to

10
gdb/i386-tdep.c
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@@ -1579,10 +1579,12 @@ i386_return_value (struct gdbarch *gdbarch, struct type *type,
{
enum type_code code = TYPE_CODE (type);
if ((code == TYPE_CODE_STRUCT
|| code == TYPE_CODE_UNION
|| code == TYPE_CODE_ARRAY)
&& !i386_reg_struct_return_p (gdbarch, type))
if (((code == TYPE_CODE_STRUCT
|| code == TYPE_CODE_UNION
|| code == TYPE_CODE_ARRAY)
&& !i386_reg_struct_return_p (gdbarch, type))
/* 128-bit decimal float uses the struct return convention. */
|| (code == TYPE_CODE_DECFLOAT && TYPE_LENGTH (type) == 16))
{
/* The System V ABI says that: