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Add -mhimem to support linking above 0x20000000 boundary.

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(CONST_COSTS): Correct range is -0x1fff to 0x2000.

From-SVN: r8559
This commit is contained in:
Richard Kenner 1994-11-23 17:21:54 -05:00
parent 6ad2f71a22
commit 2d33065aae
1 changed files with 6 additions and 3 deletions
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9
gcc/config/ns32k/ns32k.h
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@ -81,6 +81,7 @@ extern int target_flags;
/* Ok to use the static base register (and presume it's 0) */
#define TARGET_SB ((target_flags & 32) == 0)
#define TARGET_HIMEM (target_flags & 128)
/* Compile using bitfield insns. */
#define TARGET_BITFIELD ((target_flags & 64) == 0)
@ -106,6 +107,8 @@ extern int target_flags;
{ "nosb", 32}, \
{ "bitfield", -64}, \
{ "nobitfield", 64}, \
{ "himem", 128}, \
{ "nohimem", -128}, \
{ "", TARGET_DEFAULT}}
/* TARGET_DEFAULT is defined in encore.h, pc532.h, etc. */
@ -114,7 +117,7 @@ extern int target_flags;
#define OVERRIDE_OPTIONS \
{ \
if (flag_pic) target_flags |= 32; \
if (flag_pic || TARGET_HIMEM) target_flags |= 32; \
}
@ -910,7 +913,7 @@ __transfer_from_trampoline () \
|| (GET_CODE (X) == PLUS \
&& GET_CODE (XEXP (X, 0)) == REG \
&& REG_OK_FOR_BASE_P (XEXP (X, 0)) \
&& (flag_pic ? \
&& ((flag_pic || TARGET_HIMEM) ? \
CONSTANT_ADDRESS_NO_LABEL_P (XEXP (X, 1)) \
: \
CONSTANT_ADDRESS_P (XEXP (X, 1))) \
@ -1142,7 +1145,7 @@ while (0)
#define CONST_COSTS(RTX,CODE,OUTER_CODE) \
case CONST_INT: \
if (INTVAL (RTX) <= 7 && INTVAL (RTX) >= -8) return 0; \
if (INTVAL (RTX) < 0x4000 && INTVAL (RTX) >= -0x4000) \
if (INTVAL (RTX) < 0x2000 && INTVAL (RTX) >= -0x2000) \
return 1; \
case CONST: \
case LABEL_REF: \