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(SETUP_INCOMING_VARARGS): If not TARGET_FPREGS... 

(SETUP_INCOMING_VARARGS): If not TARGET_FPREGS, save another copy of
the integer regs where the FP regs would have gone.

From-SVN: r5757
This commit is contained in:
Richard Kenner 1993-10-12 17:24:55 -04:00
parent 6fb2e34673
commit 7a92339b20
1 changed files with 9 additions and 2 deletions
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11
gcc/config/alpha/alpha.h
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@ -794,7 +794,14 @@ enum reg_class { NO_REGS, GENERAL_REGS, FLOAT_REGS, ALL_REGS,
However, if NO registers need to be saved, don't allocate any space.
This is not only because we won't need the space, but because AP includes
the current_pretend_args_size and we don't want to mess up any
ap-relative addresses already made. */
ap-relative addresses already made.
If we are not to use the floating-point registers, save the integer
registers where we would put the floating-point registers. This is
not the most efficient way to implement varargs with just one register
class, but it isn't worth doing anything more efficient in this rare
case. */
#define SETUP_INCOMING_VARARGS(CUM,MODE,TYPE,PRETEND_SIZE,NO_RTL) \
{ if ((CUM) < 6) \
@ -808,7 +815,7 @@ enum reg_class { NO_REGS, GENERAL_REGS, FLOAT_REGS, ALL_REGS,
((CUM) + 6)* UNITS_PER_WORD)), \
6 - (CUM), (6 - (CUM)) * UNITS_PER_WORD); \
move_block_from_reg \
(16 + 32 + CUM, \
(16 + (TARGET_FPREGS ? 32 : 0) + CUM, \
gen_rtx (MEM, BLKmode, \
plus_constant (virtual_incoming_args_rtx, \
(CUM) * UNITS_PER_WORD)), \