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authorUros Bizjak <ubizjak@gmail.com>2015-06-03 17:46:41 +0200
committerUros Bizjak <uros@gcc.gnu.org>2015-06-03 17:46:41 +0200
commit27a0b7f2ee9689c9a0092a6403edacdcb7158516 (patch)
tree2747f9a15d221bfbb9ad62dd70a5659cc7d7e05d /gcc/config
parentbc51ace3600b5c9b5dcad09f16858e5727866e27 (diff)
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re PR target/66275 (__attribute__((sysv_abi)) with x86_64-w64-mingw32-gcc generates incorrect code)
PR target/66275 * config/i386/i386.c (ix86_function_arg_regno): Use ix86_cfun_abi to determine current function ABI. (ix86_function_value_regno_p): Ditto. testsuite/ChangeLog: PR target/66275 * gcc.target/i386/pr66275.c: New test. From-SVN: r224094
Diffstat (limited to 'gcc/config')
-rw-r--r--gcc/config/i386/i386.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index e77cd04..de8ce37 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -6149,6 +6149,7 @@ bool
ix86_function_arg_regno_p (int regno)
{
int i;
+ enum calling_abi call_abi;
const int *parm_regs;
if (TARGET_MPX && BND_REGNO_P (regno))
@@ -6174,16 +6175,18 @@ ix86_function_arg_regno_p (int regno)
/* TODO: The function should depend on current function ABI but
builtins.c would need updating then. Therefore we use the
default ABI. */
+ call_abi = ix86_cfun_abi ();
/* RAX is used as hidden argument to va_arg functions. */
- if (ix86_abi == SYSV_ABI && regno == AX_REG)
+ if (call_abi == SYSV_ABI && regno == AX_REG)
return true;
- if (ix86_abi == MS_ABI)
+ if (call_abi == MS_ABI)
parm_regs = x86_64_ms_abi_int_parameter_registers;
else
parm_regs = x86_64_int_parameter_registers;
- for (i = 0; i < (ix86_abi == MS_ABI
+
+ for (i = 0; i < (call_abi == MS_ABI
? X86_64_MS_REGPARM_MAX : X86_64_REGPARM_MAX); i++)
if (regno == parm_regs[i])
return true;
@@ -8212,10 +8215,10 @@ ix86_function_value_regno_p (const unsigned int regno)
case AX_REG:
return true;
case DX_REG:
- return (!TARGET_64BIT || ix86_abi != MS_ABI);
+ return (!TARGET_64BIT || ix86_cfun_abi () != MS_ABI);
case DI_REG:
case SI_REG:
- return TARGET_64BIT && ix86_abi != MS_ABI;
+ return TARGET_64BIT && ix86_cfun_abi () != MS_ABI;
case BND0_REG:
case BND1_REG:
@@ -8227,7 +8230,7 @@ ix86_function_value_regno_p (const unsigned int regno)
/* TODO: The function should depend on current function ABI but
builtins.c would need updating then. Therefore we use the
default ABI. */
- if (TARGET_64BIT && ix86_abi == MS_ABI)
+ if (TARGET_64BIT && ix86_cfun_abi () == MS_ABI)
return false;
return TARGET_FLOAT_RETURNS_IN_80387;