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re PR target/24914 (gcc fails when built with --with-cpu=ep9312 --with-fpu=maverick)

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PR target/24914
	* arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
	when not generating code to use that co-processor.

From-SVN: r107187
This commit is contained in:
Richard Earnshaw 2005-11-18 17:59:37 +00:00 • committed by Richard Earnshaw
parent e5e0238e33
commit a6a5de0428
2 changed files with 26 additions and 12 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
PR target/24914
* arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
when not generating code to use that co-processor.
2005-11-18 James A. Morrison <phython@gcc.gnu.org>
* tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,

32
gcc/config/arm/arm.c
View file

@ -11818,7 +11818,9 @@ int
arm_hard_regno_mode_ok (unsigned int regno, enum machine_mode mode)
{
if (GET_MODE_CLASS (mode) == MODE_CC)
return regno == CC_REGNUM || regno == VFPCC_REGNUM;
return (regno == CC_REGNUM
|| (TARGET_HARD_FLOAT && TARGET_VFP
&& regno == VFPCC_REGNUM));
if (TARGET_THUMB)
/* For the Thumb we only allow values bigger than SImode in
@ -11828,7 +11830,8 @@ arm_hard_regno_mode_ok (unsigned int regno, enum machine_mode mode)
start of an even numbered register pair. */
return (ARM_NUM_REGS (mode) < 2) || (regno < LAST_LO_REGNUM);
if (IS_CIRRUS_REGNUM (regno))
if (TARGET_HARD_FLOAT && TARGET_MAVERICK
&& IS_CIRRUS_REGNUM (regno))
/* We have outlawed SI values in Cirrus registers because they
reside in the lower 32 bits, but SF values reside in the
upper 32 bits. This causes gcc all sorts of grief. We can't
@ -11836,7 +11839,8 @@ arm_hard_regno_mode_ok (unsigned int regno, enum machine_mode mode)
get sign extended to 64bits-- aldyh. */
return (GET_MODE_CLASS (mode) == MODE_FLOAT) || (mode == DImode);
if (IS_VFP_REGNUM (regno))
if (TARGET_HARD_FLOAT && TARGET_VFP
&& IS_VFP_REGNUM (regno))
{
if (mode == SFmode || mode == SImode)
return TRUE;
@ -11847,28 +11851,32 @@ arm_hard_regno_mode_ok (unsigned int regno, enum machine_mode mode)
return FALSE;
}
if (IS_IWMMXT_GR_REGNUM (regno))
return mode == SImode;
if (IS_IWMMXT_REGNUM (regno))
return VALID_IWMMXT_REG_MODE (mode);
if (TARGET_REALLY_IWMMXT)
{
if (IS_IWMMXT_GR_REGNUM (regno))
return mode == SImode;
if (IS_IWMMXT_REGNUM (regno))
return VALID_IWMMXT_REG_MODE (mode);
}
/* We allow any value to be stored in the general registers.
Restrict doubleword quantities to even register pairs so that we can
use ldrd. */
if (regno <= LAST_ARM_REGNUM)
return !(TARGET_LDRD && GET_MODE_SIZE (mode) > 4 && (regno & 1) != 0);
if ( regno == FRAME_POINTER_REGNUM
if (regno == FRAME_POINTER_REGNUM
|| regno == ARG_POINTER_REGNUM)
/* We only allow integers in the fake hard registers. */
return GET_MODE_CLASS (mode) == MODE_INT;
/* The only registers left are the FPA registers
which we only allow to hold FP values. */
return GET_MODE_CLASS (mode) == MODE_FLOAT
&& regno >= FIRST_FPA_REGNUM
&& regno <= LAST_FPA_REGNUM;
return (TARGET_HARD_FLOAT && TARGET_FPA
&& GET_MODE_CLASS (mode) == MODE_FLOAT
&& regno >= FIRST_FPA_REGNUM
&& regno <= LAST_FPA_REGNUM);
}
int