From 115149c023485a69f5bff05efd5339c0c5f77798 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 11 Feb 2023 09:43:29 -0500 Subject: powerpc-sf longjmp clobbering of val argument the logic to check hwcap for SPE register file inadvertently clobbered the val argument before use. switch to a different work register so this doesn't happen. --- src/setjmp/powerpc/longjmp.S | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'src') diff --git a/src/setjmp/powerpc/longjmp.S b/src/setjmp/powerpc/longjmp.S index 611389fe..465e4cd7 100644 --- a/src/setjmp/powerpc/longjmp.S +++ b/src/setjmp/powerpc/longjmp.S @@ -42,10 +42,10 @@ longjmp: bl 1f .hidden __hwcap .long __hwcap-. -1: mflr 4 - lwz 5, 0(4) - lwzx 4, 4, 5 - andis. 4, 4, 0x80 +1: mflr 6 + lwz 5, 0(6) + lwzx 6, 6, 5 + andis. 6, 6, 0x80 beq 1f .long 0x11c35b01 /* evldd 14,88(3) */ .long 0x11e36301 /* ... */ -- cgit v1.2.1