[gcc r15-6937] lm32: Compute pretend_size in setup_incoming_varargs even if no_rtl

[Jeff Law via Gcc-cvs]

https://gcc.gnu.org/g:423e9a8ad59e6972cd6f25238cd328080fed11cc

commit r15-6937-g423e9a8ad59e6972cd6f25238cd328080fed11cc
Author: Keith Packard <kei...@keithp.com>
Date:   Wed Jan 15 22:08:59 2025 -0700

    lm32: Compute pretend_size in setup_incoming_varargs even if no_rtl
    
    gcc/
            * config/lm32/lm32.cc (setup_incoming_varargs): Adjust the
            conditionals so that pretend_size is always computed, even
            if no_rtl is set.

Diff:
---
 gcc/config/lm32/lm32.cc | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/gcc/config/lm32/lm32.cc b/gcc/config/lm32/lm32.cc
index dfec28608a0a..b677953bb4cc 100644
--- a/gcc/config/lm32/lm32.cc
+++ b/gcc/config/lm32/lm32.cc
@@ -705,16 +705,18 @@ lm32_setup_incoming_varargs (cumulative_args_t cum_v,
        ((size + UNITS_PER_WORD - 1) / UNITS_PER_WORD);
     }
 
-  if ((first_anon_arg < (LM32_FIRST_ARG_REG + LM32_NUM_ARG_REGS)) && !no_rtl)
+  if (FUNCTION_ARG_REGNO_P (first_anon_arg))
     {
-      int first_reg_offset = first_anon_arg;
       int size = LM32_FIRST_ARG_REG + LM32_NUM_ARG_REGS - first_anon_arg;
-      rtx regblock;
 
-      regblock = gen_rtx_MEM (BLKmode,
-                             plus_constant (Pmode, arg_pointer_rtx,
-                                            FIRST_PARM_OFFSET (0)));
-      move_block_from_reg (first_reg_offset, regblock, size);
+      if (!no_rtl)
+       {
+         rtx regblock
+           = gen_rtx_MEM (BLKmode,
+                          plus_constant (Pmode, arg_pointer_rtx,
+                                         FIRST_PARM_OFFSET (0)));
+         move_block_from_reg (first_anon_arg, regblock, size);
+       }
 
       *pretend_size = size * UNITS_PER_WORD;
     }