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riscv-gcc-1
Commit a6cf80f2 by Geoffrey Keating Committed by Geoffrey Keating
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rs6000.c (compute_vrsave_mask): Correct off-by-one error. 

	* config/rs6000/rs6000.c (compute_vrsave_mask): Correct off-by-one
	error.

From-SVN: r73276
parent 142d1f57
Showing with 4 additions and 1 deletions
gcc/ChangeLog
......@@ -12,6 +12,9 @@
2003-11-05 Geoffrey Keating <geoffk@apple.com>
* config/rs6000/rs6000.c (compute_vrsave_mask): Correct off-by-one
error.
* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Darwin
needs VRSAVE.
......
gcc/config/rs6000/rs6000.c
......@@ -10109,7 +10109,7 @@ compute_vrsave_mask (void)
them in again. More importantly, the mask we compute here is
used to generate CLOBBERs in the set_vrsave insn, and we do not
wish the argument registers to die. */
for (i = cfun->args_info.vregno; i >= ALTIVEC_ARG_MIN_REG; --i)
for (i = cfun->args_info.vregno - 1; i >= ALTIVEC_ARG_MIN_REG; --i)
mask &= ~ALTIVEC_REG_BIT (i);
/* Similarly, remove the return value from the set. */
......
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